[Rector] Apply BooleanInIfConditionRuleFixerRector

phpstan-baseline.php

@@ -26,11 +26,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Autoloader/FileLocator.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Autoloader/FileLocator.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Short ternary operator is not allowed\\. Use null coalesce operator if applicable or consider using long ternary\\.$#',
 	'count' => 6,
@@ -71,16 +66,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/BaseModel.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/BaseModel.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/BaseModel.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Strict comparison using \\!\\=\\= between mixed and null will always evaluate to true\\.$#',
 	'count' => 1,
@@ -141,16 +126,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/CLI/CLI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CLI/CLI.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CLI/CLI.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Only booleans are allowed in \\|\\|, string given on the left side\\.$#',
 	'count' => 1,
@@ -171,11 +146,6 @@
 	'count' => 5,
 	'path' => __DIR__ . '/system/CLI/CLI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CLI/Commands.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 2,
@@ -211,26 +181,11 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Cache/Handlers/PredisHandler.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Cache/Handlers/PredisHandler.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Cache/Handlers/RedisHandler.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 6,
 	'path' => __DIR__ . '/system/CodeIgniter.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, CodeIgniter\\\\HTTP\\\\ResponseInterface\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CodeIgniter.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Property CodeIgniter\\\\CodeIgniter\\:\\:\\$controller type has no signature specified for Closure\\.$#',
 	'count' => 1,
@@ -971,11 +926,6 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Config/Factories.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string\\|null given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/Config/Factories.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Accessing offset \'SERVER_PROTOCOL\' directly on \\$_SERVER is discouraged\\.$#',
 	'count' => 1,
@@ -1926,31 +1876,11 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Debug/ExceptionHandler.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/ExceptionHandler.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 3,
 	'path' => __DIR__ . '/system/Debug/Exceptions.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, Throwable\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/Exceptions.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/Exceptions.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/Exceptions.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 1,
@@ -2041,11 +1971,6 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Encryption/Encryption.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, Config\\\\Encryption\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Encryption/Encryption.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 2,
@@ -2166,11 +2091,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/HTTP/CURLRequest.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/HTTP/CURLRequest.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Short ternary operator is not allowed\\. Use null coalesce operator if applicable or consider using long ternary\\.$#',
 	'count' => 1,
@@ -2426,11 +2346,6 @@
 	'count' => 4,
 	'path' => __DIR__ . '/system/HTTP/SiteURI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/HTTP/SiteURI.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Strict comparison using \\!\\=\\= between mixed and null will always evaluate to true\\.$#',
 	'count' => 1,
@@ -2441,16 +2356,6 @@
 	'count' => 15,
 	'path' => __DIR__ . '/system/HTTP/URI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/HTTP/URI.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string\\|null given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/HTTP/URI.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Property CodeIgniter\\\\HTTP\\\\URI\\:\\:\\$fragment \\(string\\) on left side of \\?\\? is not nullable\\.$#',
 	'count' => 1,
@@ -2621,11 +2526,6 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Helpers/test_helper.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Helpers/test_helper.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 3,
@@ -2786,11 +2686,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Log/Logger.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Log/Logger.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Parameter \\#1 \\$level \\(string\\) of method CodeIgniter\\\\Log\\\\Logger\\:\\:log\\(\\) should be contravariant with parameter \\$level \\(mixed\\) of method Psr\\\\Log\\\\LoggerInterface\\:\\:log\\(\\)$#',
 	'count' => 1,
@@ -2848,11 +2743,6 @@
 ];
 $ignoreErrors[] = [
 	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/Pager/Pager.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
 	'count' => 1,
 	'path' => __DIR__ . '/system/Pager/Pager.php',
 ];
@@ -3646,11 +3536,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Test/FeatureTestCase.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Test/FeatureTestCase.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Property CodeIgniter\\\\Test\\\\CIUnitTestCase\\:\\:\\$bodyFormat \\(string\\) in isset\\(\\) is not nullable\\.$#',
 	'count' => 1,
@@ -4156,11 +4041,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Validation/Validation.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/Validation/Validation.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Short ternary operator is not allowed\\. Use null coalesce operator if applicable or consider using long ternary\\.$#',
 	'count' => 2,
@@ -4231,11 +4111,6 @@
 	'count' => 3,
 	'path' => __DIR__ . '/system/View/View.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string\\|null given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/View/View.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Parameter \\#2 \\$context \\(\'attr\'\\|\'css\'\\|\'html\'\\|\'js\'\\|\'raw\'\\|\'url\'\\|null\\) of method CodeIgniter\\\\View\\\\View\\:\\:setData\\(\\) should be contravariant with parameter \\$context \\(string\\|null\\) of method CodeIgniter\\\\View\\\\RendererInterface\\:\\:setData\\(\\)$#',
 	'count' => 1,

rector.php

@@ -41,6 +41,7 @@
 use Rector\Privatization\Rector\Property\PrivatizeFinalClassPropertyRector;
 use Rector\Set\ValueObject\LevelSetList;
 use Rector\Set\ValueObject\SetList;
+use Rector\Strict\Rector\If_\BooleanInIfConditionRuleFixerRector;
 use Utils\Rector\PassStrictParameterToFunctionParameterRector;
 use Utils\Rector\RemoveErrorSuppressInTryCatchStmtsRector;
 use Utils\Rector\RemoveVarTagFromClassConstantRector;
@@ -140,4 +141,5 @@
  $rectorConfig->rule(StringClassNameToClassConstantRector::class);
  $rectorConfig->rule(PrivatizeFinalClassPropertyRector::class);
  $rectorConfig->rule(CompleteDynamicPropertiesRector::class);
+ $rectorConfig->rule(BooleanInIfConditionRuleFixerRector::class);
 };

system/Autoloader/FileLocator.php

@@ -205,7 +205,7 @@ public function search(string $path, string $ext = 'php', bool $prioritizeApp =
  */
  protected function ensureExt(string $path, string $ext): string
  {
- if ($ext) {
+ if ($ext !== '') {
  $ext = '.' . $ext;
 
  if (substr($path, -strlen($ext)) !== $ext) {

system/BaseModel.php

@@ -1194,7 +1194,7 @@ public function paginate(?int $perPage = null, string $group = 'default', ?int $
  // Since multiple models may use the Pager, the Pager must be shared.
  $pager = Services::pager();
 
- if ($segment) {
+ if ($segment !== 0) {
  $pager->setSegment($segment, $group);
  }
 
@@ -1656,8 +1656,10 @@ protected function objectToArray($data, bool $onlyChanged = true, bool $recursiv
  {
  $properties = $this->objectToRawArray($data, $onlyChanged, $recursive);
 
+ assert(is_array($properties));
+
  // Convert any Time instances to appropriate $dateFormat
- if ($properties) {
+ if ($properties !== []) {
  $properties = array_map(function ($value) {
  if ($value instanceof Time) {
  return $this->timeToDate($value);

system/CLI/CLI.php

@@ -267,7 +267,7 @@ public static function prompt(string $field, $options = null, $validation = null
  // Read the input from keyboard.
  $input = trim(static::input()) ?: $default;
 
- if ($validation) {
+ if ($validation !== []) {
  while (! static::validate('"' . trim($field) . '"', $input, $validation)) {
  $input = static::prompt($field, $options, $validation);
  }
@@ -1088,7 +1088,7 @@ public static function table(array $tbody, array $thead = [])
  foreach ($tableRows[$row] as $col) {
  $diff = $maxColsLengths[$column] - static::strlen($col);
 
- if ($diff) {
+ if ($diff !== 0) {
  $tableRows[$row][$column] .= str_repeat(' ', $diff);
  }
 

system/CLI/Commands.php

@@ -146,7 +146,8 @@ public function verifyCommand(string $command, array $commands): bool
 
  $message = lang('CLI.commandNotFound', [$command]);
 
- if ($alternatives = $this->getCommandAlternatives($command, $commands)) {
+ $alternatives = $this->getCommandAlternatives($command, $commands);
+ if ($alternatives !== []) {
  if (count($alternatives) === 1) {
  $message .= "\n\n" . lang('CLI.altCommandSingular') . "\n ";
  } else {

system/Cache/Handlers/PredisHandler.php

@@ -133,7 +133,7 @@ public function save(string $key, $value, int $ttl = 60)
  return false;
  }
 
- if ($ttl) {
+ if ($ttl !== 0) {
  $this->redis->expireat($key, Time::now()->getTimestamp() + $ttl);
  }
 

system/Cache/Handlers/RedisHandler.php

@@ -159,7 +159,7 @@ public function save(string $key, $value, int $ttl = 60)
  return false;
  }
 
- if ($ttl) {
+ if ($ttl !== 0) {
  $this->redis->expireAt($key, Time::now()->getTimestamp() + $ttl);
  }
 

system/CodeIgniter.php

@@ -708,7 +708,8 @@ protected function forceSecureAccess($duration = 31_536_000)
  */
  public function displayCache(Cache $config)
  {
- if ($cachedResponse = $this->pageCache->get($this->request, $this->response)) {
+ $cachedResponse = $this->pageCache->get($this->request, $this->response);
+ if ($cachedResponse instanceof ResponseInterface) {
  $this->response = $cachedResponse;
 
  $this->totalTime = $this->benchmark->getElapsedTime('total_execution');

system/Config/Factories.php

@@ -145,7 +145,8 @@ public static function __callStatic(string $component, array $arguments)
  }
 
  // Try to locate the class
- if ($class = self::locateClass($options, $alias)) {
+ $class = self::locateClass($options, $alias);
+ if ($class !== null) {
  return new $class(...$arguments);
  }
 
@@ -422,7 +423,7 @@ public static function setOptions(string $component, array $values): array
  */
  public static function reset(?string $component = null)
  {
- if ($component) {
+ if ($component !== null) {
  unset(
  static::$options[$component],
  static::$aliases[$component],

system/Debug/ExceptionHandler.php

@@ -129,7 +129,7 @@ protected function determineView(Throwable $exception, string $templatePath): st
  // Production environments should have a custom exception file.
  $view = 'production.php';
 
- if (str_ireplace(['off', 'none', 'no', 'false', 'null'], '', ini_get('display_errors'))) {
+ if (str_ireplace(['off', 'none', 'no', 'false', 'null'], '', ini_get('display_errors')) !== '') {
  $view = 'error_exception.php';
  }
 

phpstan-baseline.php

@@ -26,11 +26,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Autoloader/FileLocator.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Autoloader/FileLocator.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Short ternary operator is not allowed\\. Use null coalesce operator if applicable or consider using long ternary\\.$#',
 	'count' => 6,
@@ -71,16 +66,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/BaseModel.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/BaseModel.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/BaseModel.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Strict comparison using \\!\\=\\= between mixed and null will always evaluate to true\\.$#',
 	'count' => 1,
@@ -141,16 +126,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/CLI/CLI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CLI/CLI.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CLI/CLI.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Only booleans are allowed in \\|\\|, string given on the left side\\.$#',
 	'count' => 1,
@@ -171,11 +146,6 @@
 	'count' => 5,
 	'path' => __DIR__ . '/system/CLI/CLI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CLI/Commands.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 2,
@@ -211,26 +181,11 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Cache/Handlers/PredisHandler.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Cache/Handlers/PredisHandler.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Cache/Handlers/RedisHandler.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 6,
 	'path' => __DIR__ . '/system/CodeIgniter.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, CodeIgniter\\\\HTTP\\\\ResponseInterface\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CodeIgniter.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Property CodeIgniter\\\\CodeIgniter\\:\\:\\$controller type has no signature specified for Closure\\.$#',
 	'count' => 1,
@@ -971,11 +926,6 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Config/Factories.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string\\|null given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/Config/Factories.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Accessing offset \'SERVER_PROTOCOL\' directly on \\$_SERVER is discouraged\\.$#',
 	'count' => 1,
@@ -1926,31 +1876,11 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Debug/ExceptionHandler.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/ExceptionHandler.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 3,
 	'path' => __DIR__ . '/system/Debug/Exceptions.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, Throwable\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/Exceptions.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/Exceptions.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/Exceptions.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 1,
@@ -2041,11 +1971,6 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Encryption/Encryption.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, Config\\\\Encryption\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Encryption/Encryption.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 2,
@@ -2166,11 +2091,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/HTTP/CURLRequest.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/HTTP/CURLRequest.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Short ternary operator is not allowed\\. Use null coalesce operator if applicable or consider using long ternary\\.$#',
 	'count' => 1,
@@ -2426,11 +2346,6 @@
 	'count' => 4,
 	'path' => __DIR__ . '/system/HTTP/SiteURI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/HTTP/SiteURI.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Strict comparison using \\!\\=\\= between mixed and null will always evaluate to true\\.$#',
 	'count' => 1,
@@ -2441,16 +2356,6 @@
 	'count' => 15,
 	'path' => __DIR__ . '/system/HTTP/URI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/HTTP/URI.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string\\|null given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/HTTP/URI.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Property CodeIgniter\\\\HTTP\\\\URI\\:\\:\\$fragment \\(string\\) on left side of \\?\\? is not nullable\\.$#',
 	'count' => 1,
@@ -2621,11 +2526,6 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Helpers/test_helper.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Helpers/test_helper.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 3,
@@ -2786,11 +2686,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Log/Logger.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Log/Logger.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Parameter \\#1 \\$level \\(string\\) of method CodeIgniter\\\\Log\\\\Logger\\:\\:log\\(\\) should be contravariant with parameter \\$level \\(mixed\\) of method Psr\\\\Log\\\\LoggerInterface\\:\\:log\\(\\)$#',
 	'count' => 1,
@@ -2848,11 +2743,6 @@
 ];
 $ignoreErrors[] = [
 	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/Pager/Pager.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
 	'count' => 1,
 	'path' => __DIR__ . '/system/Pager/Pager.php',
 ];
@@ -3646,11 +3536,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Test/FeatureTestCase.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Test/FeatureTestCase.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Property CodeIgniter\\\\Test\\\\CIUnitTestCase\\:\\:\\$bodyFormat \\(string\\) in isset\\(\\) is not nullable\\.$#',
 	'count' => 1,
@@ -4156,11 +4041,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Validation/Validation.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/Validation/Validation.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Short ternary operator is not allowed\\. Use null coalesce operator if applicable or consider using long ternary\\.$#',
 	'count' => 2,
@@ -4231,11 +4111,6 @@
 	'count' => 3,
 	'path' => __DIR__ . '/system/View/View.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string\\|null given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/View/View.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Parameter \\#2 \\$context \\(\'attr\'\\|\'css\'\\|\'html\'\\|\'js\'\\|\'raw\'\\|\'url\'\\|null\\) of method CodeIgniter\\\\View\\\\View\\:\\:setData\\(\\) should be contravariant with parameter \\$context \\(string\\|null\\) of method CodeIgniter\\\\View\\\\RendererInterface\\:\\:setData\\(\\)$#',
 	'count' => 1,

rector.php

@@ -41,6 +41,7 @@
 use Rector\Privatization\Rector\Property\PrivatizeFinalClassPropertyRector;
 use Rector\Set\ValueObject\LevelSetList;
 use Rector\Set\ValueObject\SetList;
+use Rector\Strict\Rector\If_\BooleanInIfConditionRuleFixerRector;
 use Utils\Rector\PassStrictParameterToFunctionParameterRector;
 use Utils\Rector\RemoveErrorSuppressInTryCatchStmtsRector;
 use Utils\Rector\RemoveVarTagFromClassConstantRector;
@@ -140,4 +141,5 @@
  $rectorConfig->rule(StringClassNameToClassConstantRector::class);
  $rectorConfig->rule(PrivatizeFinalClassPropertyRector::class);
  $rectorConfig->rule(CompleteDynamicPropertiesRector::class);
+ $rectorConfig->rule(BooleanInIfConditionRuleFixerRector::class);
 };

system/Autoloader/FileLocator.php

@@ -205,7 +205,7 @@ public function search(string $path, string $ext = 'php', bool $prioritizeApp =
  */
  protected function ensureExt(string $path, string $ext): string
  {
- if ($ext) {
+ if ($ext !== '') {
  $ext = '.' . $ext;
 
  if (substr($path, -strlen($ext)) !== $ext) {

system/BaseModel.php

@@ -1194,7 +1194,7 @@ public function paginate(?int $perPage = null, string $group = 'default', ?int $
  // Since multiple models may use the Pager, the Pager must be shared.
  $pager = Services::pager();
 
- if ($segment) {
+ if ($segment !== 0) {
  $pager->setSegment($segment, $group);
  }
 
@@ -1656,8 +1656,10 @@ protected function objectToArray($data, bool $onlyChanged = true, bool $recursiv
  {
  $properties = $this->objectToRawArray($data, $onlyChanged, $recursive);
 
+ assert(is_array($properties));
+
  // Convert any Time instances to appropriate $dateFormat
- if ($properties) {
+ if ($properties !== []) {
  $properties = array_map(function ($value) {
  if ($value instanceof Time) {
  return $this->timeToDate($value);

system/CLI/CLI.php

@@ -267,7 +267,7 @@ public static function prompt(string $field, $options = null, $validation = null
  // Read the input from keyboard.
  $input = trim(static::input()) ?: $default;
 
- if ($validation) {
+ if ($validation !== []) {
  while (! static::validate('"' . trim($field) . '"', $input, $validation)) {
  $input = static::prompt($field, $options, $validation);
  }
@@ -1088,7 +1088,7 @@ public static function table(array $tbody, array $thead = [])
  foreach ($tableRows[$row] as $col) {
  $diff = $maxColsLengths[$column] - static::strlen($col);
 
- if ($diff) {
+ if ($diff !== 0) {
  $tableRows[$row][$column] .= str_repeat(' ', $diff);
  }
 

system/CLI/Commands.php

@@ -146,7 +146,8 @@ public function verifyCommand(string $command, array $commands): bool
 
  $message = lang('CLI.commandNotFound', [$command]);
 
- if ($alternatives = $this->getCommandAlternatives($command, $commands)) {
+ $alternatives = $this->getCommandAlternatives($command, $commands);
+ if ($alternatives !== []) {
  if (count($alternatives) === 1) {
  $message .= "\n\n" . lang('CLI.altCommandSingular') . "\n ";
  } else {

system/Cache/Handlers/PredisHandler.php

@@ -133,7 +133,7 @@ public function save(string $key, $value, int $ttl = 60)
  return false;
  }
 
- if ($ttl) {
+ if ($ttl !== 0) {
  $this->redis->expireat($key, Time::now()->getTimestamp() + $ttl);
  }
 

system/Cache/Handlers/RedisHandler.php

@@ -159,7 +159,7 @@ public function save(string $key, $value, int $ttl = 60)
  return false;
  }
 
- if ($ttl) {
+ if ($ttl !== 0) {
  $this->redis->expireAt($key, Time::now()->getTimestamp() + $ttl);
  }
 

system/CodeIgniter.php

@@ -708,7 +708,8 @@ protected function forceSecureAccess($duration = 31_536_000)
  */
  public function displayCache(Cache $config)
  {
- if ($cachedResponse = $this->pageCache->get($this->request, $this->response)) {
+ $cachedResponse = $this->pageCache->get($this->request, $this->response);
+ if ($cachedResponse instanceof ResponseInterface) {
  $this->response = $cachedResponse;
 
  $this->totalTime = $this->benchmark->getElapsedTime('total_execution');

system/Config/Factories.php

@@ -145,7 +145,8 @@ public static function __callStatic(string $component, array $arguments)
  }
 
  // Try to locate the class
- if ($class = self::locateClass($options, $alias)) {
+ $class = self::locateClass($options, $alias);
+ if ($class !== null) {
  return new $class(...$arguments);
  }
 
@@ -422,7 +423,7 @@ public static function setOptions(string $component, array $values): array
  */
  public static function reset(?string $component = null)
  {
- if ($component) {
+ if ($component !== null) {
  unset(
  static::$options[$component],
  static::$aliases[$component],

system/Debug/ExceptionHandler.php

@@ -129,7 +129,7 @@ protected function determineView(Throwable $exception, string $templatePath): st
  // Production environments should have a custom exception file.
  $view = 'production.php';
 
- if (str_ireplace(['off', 'none', 'no', 'false', 'null'], '', ini_get('display_errors'))) {
+ if (str_ireplace(['off', 'none', 'no', 'false', 'null'], '', ini_get('display_errors')) !== '') {
  $view = 'error_exception.php';
  }
 

phpstan-baseline.php

@@ -26,11 +26,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Autoloader/FileLocator.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Autoloader/FileLocator.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Short ternary operator is not allowed\\. Use null coalesce operator if applicable or consider using long ternary\\.$#',
 	'count' => 6,
@@ -71,16 +66,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/BaseModel.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/BaseModel.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/BaseModel.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Strict comparison using \\!\\=\\= between mixed and null will always evaluate to true\\.$#',
 	'count' => 1,
@@ -141,16 +126,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/CLI/CLI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CLI/CLI.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CLI/CLI.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Only booleans are allowed in \\|\\|, string given on the left side\\.$#',
 	'count' => 1,
@@ -171,11 +146,6 @@
 	'count' => 5,
 	'path' => __DIR__ . '/system/CLI/CLI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CLI/Commands.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 2,
@@ -211,26 +181,11 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Cache/Handlers/PredisHandler.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Cache/Handlers/PredisHandler.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Cache/Handlers/RedisHandler.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 6,
 	'path' => __DIR__ . '/system/CodeIgniter.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, CodeIgniter\\\\HTTP\\\\ResponseInterface\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CodeIgniter.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Property CodeIgniter\\\\CodeIgniter\\:\\:\\$controller type has no signature specified for Closure\\.$#',
 	'count' => 1,
@@ -971,11 +926,6 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Config/Factories.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string\\|null given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/Config/Factories.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Accessing offset \'SERVER_PROTOCOL\' directly on \\$_SERVER is discouraged\\.$#',
 	'count' => 1,
@@ -1926,31 +1876,11 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Debug/ExceptionHandler.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/ExceptionHandler.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 3,
 	'path' => __DIR__ . '/system/Debug/Exceptions.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, Throwable\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/Exceptions.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/Exceptions.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/Exceptions.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 1,
@@ -2041,11 +1971,6 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Encryption/Encryption.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, Config\\\\Encryption\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Encryption/Encryption.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 2,
@@ -2166,11 +2091,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/HTTP/CURLRequest.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/HTTP/CURLRequest.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Short ternary operator is not allowed\\. Use null coalesce operator if applicable or consider using long ternary\\.$#',
 	'count' => 1,
@@ -2426,11 +2346,6 @@
 	'count' => 4,
 	'path' => __DIR__ . '/system/HTTP/SiteURI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/HTTP/SiteURI.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Strict comparison using \\!\\=\\= between mixed and null will always evaluate to true\\.$#',
 	'count' => 1,
@@ -2441,16 +2356,6 @@
 	'count' => 15,
 	'path' => __DIR__ . '/system/HTTP/URI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/HTTP/URI.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string\\|null given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/HTTP/URI.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Property CodeIgniter\\\\HTTP\\\\URI\\:\\:\\$fragment \\(string\\) on left side of \\?\\? is not nullable\\.$#',
 	'count' => 1,
@@ -2621,11 +2526,6 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Helpers/test_helper.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Helpers/test_helper.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 3,
@@ -2786,11 +2686,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Log/Logger.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Log/Logger.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Parameter \\#1 \\$level \\(string\\) of method CodeIgniter\\\\Log\\\\Logger\\:\\:log\\(\\) should be contravariant with parameter \\$level \\(mixed\\) of method Psr\\\\Log\\\\LoggerInterface\\:\\:log\\(\\)$#',
 	'count' => 1,
@@ -2848,11 +2743,6 @@
 ];
 $ignoreErrors[] = [
 	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/Pager/Pager.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
 	'count' => 1,
 	'path' => __DIR__ . '/system/Pager/Pager.php',
 ];
@@ -3646,11 +3536,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Test/FeatureTestCase.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Test/FeatureTestCase.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Property CodeIgniter\\\\Test\\\\CIUnitTestCase\\:\\:\\$bodyFormat \\(string\\) in isset\\(\\) is not nullable\\.$#',
 	'count' => 1,
@@ -4156,11 +4041,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Validation/Validation.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/Validation/Validation.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Short ternary operator is not allowed\\. Use null coalesce operator if applicable or consider using long ternary\\.$#',
 	'count' => 2,
@@ -4231,11 +4111,6 @@
 	'count' => 3,
 	'path' => __DIR__ . '/system/View/View.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string\\|null given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/View/View.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Parameter \\#2 \\$context \\(\'attr\'\\|\'css\'\\|\'html\'\\|\'js\'\\|\'raw\'\\|\'url\'\\|null\\) of method CodeIgniter\\\\View\\\\View\\:\\:setData\\(\\) should be contravariant with parameter \\$context \\(string\\|null\\) of method CodeIgniter\\\\View\\\\RendererInterface\\:\\:setData\\(\\)$#',
 	'count' => 1,

rector.php

@@ -41,6 +41,7 @@
 use Rector\Privatization\Rector\Property\PrivatizeFinalClassPropertyRector;
 use Rector\Set\ValueObject\LevelSetList;
 use Rector\Set\ValueObject\SetList;
+use Rector\Strict\Rector\If_\BooleanInIfConditionRuleFixerRector;
 use Utils\Rector\PassStrictParameterToFunctionParameterRector;
 use Utils\Rector\RemoveErrorSuppressInTryCatchStmtsRector;
 use Utils\Rector\RemoveVarTagFromClassConstantRector;
@@ -140,4 +141,5 @@
  $rectorConfig->rule(StringClassNameToClassConstantRector::class);
  $rectorConfig->rule(PrivatizeFinalClassPropertyRector::class);
  $rectorConfig->rule(CompleteDynamicPropertiesRector::class);
+ $rectorConfig->rule(BooleanInIfConditionRuleFixerRector::class);
 };

system/Autoloader/FileLocator.php

@@ -205,7 +205,7 @@ public function search(string $path, string $ext = 'php', bool $prioritizeApp =
  */
  protected function ensureExt(string $path, string $ext): string
  {
- if ($ext) {
+ if ($ext !== '') {
  $ext = '.' . $ext;
 
  if (substr($path, -strlen($ext)) !== $ext) {

system/BaseModel.php

@@ -1194,7 +1194,7 @@ public function paginate(?int $perPage = null, string $group = 'default', ?int $
  // Since multiple models may use the Pager, the Pager must be shared.
  $pager = Services::pager();
 
- if ($segment) {
+ if ($segment !== 0) {
  $pager->setSegment($segment, $group);
  }
 
@@ -1656,8 +1656,10 @@ protected function objectToArray($data, bool $onlyChanged = true, bool $recursiv
  {
  $properties = $this->objectToRawArray($data, $onlyChanged, $recursive);
 
+ assert(is_array($properties));
+
  // Convert any Time instances to appropriate $dateFormat
- if ($properties) {
+ if ($properties !== []) {
  $properties = array_map(function ($value) {
  if ($value instanceof Time) {
  return $this->timeToDate($value);

system/CLI/CLI.php

@@ -267,7 +267,7 @@ public static function prompt(string $field, $options = null, $validation = null
  // Read the input from keyboard.
  $input = trim(static::input()) ?: $default;
 
- if ($validation) {
+ if ($validation !== []) {
  while (! static::validate('"' . trim($field) . '"', $input, $validation)) {
  $input = static::prompt($field, $options, $validation);
  }
@@ -1088,7 +1088,7 @@ public static function table(array $tbody, array $thead = [])
  foreach ($tableRows[$row] as $col) {
  $diff = $maxColsLengths[$column] - static::strlen($col);
 
- if ($diff) {
+ if ($diff !== 0) {
  $tableRows[$row][$column] .= str_repeat(' ', $diff);
  }
 

system/CLI/Commands.php

@@ -146,7 +146,8 @@ public function verifyCommand(string $command, array $commands): bool
 
  $message = lang('CLI.commandNotFound', [$command]);
 
- if ($alternatives = $this->getCommandAlternatives($command, $commands)) {
+ $alternatives = $this->getCommandAlternatives($command, $commands);
+ if ($alternatives !== []) {
  if (count($alternatives) === 1) {
  $message .= "\n\n" . lang('CLI.altCommandSingular') . "\n ";
  } else {

system/Cache/Handlers/PredisHandler.php

@@ -133,7 +133,7 @@ public function save(string $key, $value, int $ttl = 60)
  return false;
  }
 
- if ($ttl) {
+ if ($ttl !== 0) {
  $this->redis->expireat($key, Time::now()->getTimestamp() + $ttl);
  }
 

system/Cache/Handlers/RedisHandler.php

@@ -159,7 +159,7 @@ public function save(string $key, $value, int $ttl = 60)
  return false;
  }
 
- if ($ttl) {
+ if ($ttl !== 0) {
  $this->redis->expireAt($key, Time::now()->getTimestamp() + $ttl);
  }
 

system/CodeIgniter.php

@@ -708,7 +708,8 @@ protected function forceSecureAccess($duration = 31_536_000)
  */
  public function displayCache(Cache $config)
  {
- if ($cachedResponse = $this->pageCache->get($this->request, $this->response)) {
+ $cachedResponse = $this->pageCache->get($this->request, $this->response);
+ if ($cachedResponse instanceof ResponseInterface) {
  $this->response = $cachedResponse;
 
  $this->totalTime = $this->benchmark->getElapsedTime('total_execution');

system/Config/Factories.php

@@ -145,7 +145,8 @@ public static function __callStatic(string $component, array $arguments)
  }
 
  // Try to locate the class
- if ($class = self::locateClass($options, $alias)) {
+ $class = self::locateClass($options, $alias);
+ if ($class !== null) {
  return new $class(...$arguments);
  }
 
@@ -422,7 +423,7 @@ public static function setOptions(string $component, array $values): array
  */
  public static function reset(?string $component = null)
  {
- if ($component) {
+ if ($component !== null) {
  unset(
  static::$options[$component],
  static::$aliases[$component],

system/Debug/ExceptionHandler.php

@@ -129,7 +129,7 @@ protected function determineView(Throwable $exception, string $templatePath): st
  // Production environments should have a custom exception file.
  $view = 'production.php';
 
- if (str_ireplace(['off', 'none', 'no', 'false', 'null'], '', ini_get('display_errors'))) {
+ if (str_ireplace(['off', 'none', 'no', 'false', 'null'], '', ini_get('display_errors')) !== '') {
  $view = 'error_exception.php';
  }
 

phpstan-baseline.php

@@ -26,11 +26,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Autoloader/FileLocator.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Autoloader/FileLocator.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Short ternary operator is not allowed\\. Use null coalesce operator if applicable or consider using long ternary\\.$#',
 	'count' => 6,
@@ -71,16 +66,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/BaseModel.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/BaseModel.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/BaseModel.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Strict comparison using \\!\\=\\= between mixed and null will always evaluate to true\\.$#',
 	'count' => 1,
@@ -141,16 +126,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/CLI/CLI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CLI/CLI.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CLI/CLI.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Only booleans are allowed in \\|\\|, string given on the left side\\.$#',
 	'count' => 1,
@@ -171,11 +146,6 @@
 	'count' => 5,
 	'path' => __DIR__ . '/system/CLI/CLI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CLI/Commands.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 2,
@@ -211,26 +181,11 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Cache/Handlers/PredisHandler.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Cache/Handlers/PredisHandler.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Cache/Handlers/RedisHandler.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 6,
 	'path' => __DIR__ . '/system/CodeIgniter.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, CodeIgniter\\\\HTTP\\\\ResponseInterface\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CodeIgniter.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Property CodeIgniter\\\\CodeIgniter\\:\\:\\$controller type has no signature specified for Closure\\.$#',
 	'count' => 1,
@@ -971,11 +926,6 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Config/Factories.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string\\|null given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/Config/Factories.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Accessing offset \'SERVER_PROTOCOL\' directly on \\$_SERVER is discouraged\\.$#',
 	'count' => 1,
@@ -1926,31 +1876,11 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Debug/ExceptionHandler.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/ExceptionHandler.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 3,
 	'path' => __DIR__ . '/system/Debug/Exceptions.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, Throwable\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/Exceptions.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/Exceptions.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/Exceptions.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 1,
@@ -2041,11 +1971,6 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Encryption/Encryption.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, Config\\\\Encryption\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Encryption/Encryption.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 2,
@@ -2166,11 +2091,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/HTTP/CURLRequest.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/HTTP/CURLRequest.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Short ternary operator is not allowed\\. Use null coalesce operator if applicable or consider using long ternary\\.$#',
 	'count' => 1,
@@ -2426,11 +2346,6 @@
 	'count' => 4,
 	'path' => __DIR__ . '/system/HTTP/SiteURI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/HTTP/SiteURI.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Strict comparison using \\!\\=\\= between mixed and null will always evaluate to true\\.$#',
 	'count' => 1,
@@ -2441,16 +2356,6 @@
 	'count' => 15,
 	'path' => __DIR__ . '/system/HTTP/URI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/HTTP/URI.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string\\|null given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/HTTP/URI.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Property CodeIgniter\\\\HTTP\\\\URI\\:\\:\\$fragment \\(string\\) on left side of \\?\\? is not nullable\\.$#',
 	'count' => 1,
@@ -2621,11 +2526,6 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Helpers/test_helper.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Helpers/test_helper.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 3,
@@ -2786,11 +2686,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Log/Logger.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Log/Logger.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Parameter \\#1 \\$level \\(string\\) of method CodeIgniter\\\\Log\\\\Logger\\:\\:log\\(\\) should be contravariant with parameter \\$level \\(mixed\\) of method Psr\\\\Log\\\\LoggerInterface\\:\\:log\\(\\)$#',
 	'count' => 1,
@@ -2848,11 +2743,6 @@
 ];
 $ignoreErrors[] = [
 	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/Pager/Pager.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
 	'count' => 1,
 	'path' => __DIR__ . '/system/Pager/Pager.php',
 ];
@@ -3646,11 +3536,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Test/FeatureTestCase.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Test/FeatureTestCase.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Property CodeIgniter\\\\Test\\\\CIUnitTestCase\\:\\:\\$bodyFormat \\(string\\) in isset\\(\\) is not nullable\\.$#',
 	'count' => 1,
@@ -4156,11 +4041,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Validation/Validation.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/Validation/Validation.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Short ternary operator is not allowed\\. Use null coalesce operator if applicable or consider using long ternary\\.$#',
 	'count' => 2,
@@ -4231,11 +4111,6 @@
 	'count' => 3,
 	'path' => __DIR__ . '/system/View/View.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string\\|null given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/View/View.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Parameter \\#2 \\$context \\(\'attr\'\\|\'css\'\\|\'html\'\\|\'js\'\\|\'raw\'\\|\'url\'\\|null\\) of method CodeIgniter\\\\View\\\\View\\:\\:setData\\(\\) should be contravariant with parameter \\$context \\(string\\|null\\) of method CodeIgniter\\\\View\\\\RendererInterface\\:\\:setData\\(\\)$#',
 	'count' => 1,

rector.php

@@ -41,6 +41,7 @@
 use Rector\Privatization\Rector\Property\PrivatizeFinalClassPropertyRector;
 use Rector\Set\ValueObject\LevelSetList;
 use Rector\Set\ValueObject\SetList;
+use Rector\Strict\Rector\If_\BooleanInIfConditionRuleFixerRector;
 use Utils\Rector\PassStrictParameterToFunctionParameterRector;
 use Utils\Rector\RemoveErrorSuppressInTryCatchStmtsRector;
 use Utils\Rector\RemoveVarTagFromClassConstantRector;
@@ -140,4 +141,5 @@
  $rectorConfig->rule(StringClassNameToClassConstantRector::class);
  $rectorConfig->rule(PrivatizeFinalClassPropertyRector::class);
  $rectorConfig->rule(CompleteDynamicPropertiesRector::class);
+ $rectorConfig->rule(BooleanInIfConditionRuleFixerRector::class);
 };

system/Autoloader/FileLocator.php

@@ -205,7 +205,7 @@ public function search(string $path, string $ext = 'php', bool $prioritizeApp =
  */
  protected function ensureExt(string $path, string $ext): string
  {
- if ($ext) {
+ if ($ext !== '') {
  $ext = '.' . $ext;
 
  if (substr($path, -strlen($ext)) !== $ext) {

system/BaseModel.php

@@ -1194,7 +1194,7 @@ public function paginate(?int $perPage = null, string $group = 'default', ?int $
  // Since multiple models may use the Pager, the Pager must be shared.
  $pager = Services::pager();
 
- if ($segment) {
+ if ($segment !== 0) {
  $pager->setSegment($segment, $group);
  }
 
@@ -1656,8 +1656,10 @@ protected function objectToArray($data, bool $onlyChanged = true, bool $recursiv
  {
  $properties = $this->objectToRawArray($data, $onlyChanged, $recursive);
 
+ assert(is_array($properties));
+
  // Convert any Time instances to appropriate $dateFormat
- if ($properties) {
+ if ($properties !== []) {
  $properties = array_map(function ($value) {
  if ($value instanceof Time) {
  return $this->timeToDate($value);

system/CLI/CLI.php

@@ -267,7 +267,7 @@ public static function prompt(string $field, $options = null, $validation = null
  // Read the input from keyboard.
  $input = trim(static::input()) ?: $default;
 
- if ($validation) {
+ if ($validation !== []) {
  while (! static::validate('"' . trim($field) . '"', $input, $validation)) {
  $input = static::prompt($field, $options, $validation);
  }
@@ -1088,7 +1088,7 @@ public static function table(array $tbody, array $thead = [])
  foreach ($tableRows[$row] as $col) {
  $diff = $maxColsLengths[$column] - static::strlen($col);
 
- if ($diff) {
+ if ($diff !== 0) {
  $tableRows[$row][$column] .= str_repeat(' ', $diff);
  }
 

system/CLI/Commands.php

@@ -146,7 +146,8 @@ public function verifyCommand(string $command, array $commands): bool
 
  $message = lang('CLI.commandNotFound', [$command]);
 
- if ($alternatives = $this->getCommandAlternatives($command, $commands)) {
+ $alternatives = $this->getCommandAlternatives($command, $commands);
+ if ($alternatives !== []) {
  if (count($alternatives) === 1) {
  $message .= "\n\n" . lang('CLI.altCommandSingular') . "\n ";
  } else {

system/Cache/Handlers/PredisHandler.php

@@ -133,7 +133,7 @@ public function save(string $key, $value, int $ttl = 60)
  return false;
  }
 
- if ($ttl) {
+ if ($ttl !== 0) {
  $this->redis->expireat($key, Time::now()->getTimestamp() + $ttl);
  }
 

system/Cache/Handlers/RedisHandler.php

@@ -159,7 +159,7 @@ public function save(string $key, $value, int $ttl = 60)
  return false;
  }
 
- if ($ttl) {
+ if ($ttl !== 0) {
  $this->redis->expireAt($key, Time::now()->getTimestamp() + $ttl);
  }
 

system/CodeIgniter.php

@@ -708,7 +708,8 @@ protected function forceSecureAccess($duration = 31_536_000)
  */
  public function displayCache(Cache $config)
  {
- if ($cachedResponse = $this->pageCache->get($this->request, $this->response)) {
+ $cachedResponse = $this->pageCache->get($this->request, $this->response);
+ if ($cachedResponse instanceof ResponseInterface) {
  $this->response = $cachedResponse;
 
  $this->totalTime = $this->benchmark->getElapsedTime('total_execution');

system/Config/Factories.php

@@ -145,7 +145,8 @@ public static function __callStatic(string $component, array $arguments)
  }
 
  // Try to locate the class
- if ($class = self::locateClass($options, $alias)) {
+ $class = self::locateClass($options, $alias);
+ if ($class !== null) {
  return new $class(...$arguments);
  }
 
@@ -422,7 +423,7 @@ public static function setOptions(string $component, array $values): array
  */
  public static function reset(?string $component = null)
  {
- if ($component) {
+ if ($component !== null) {
  unset(
  static::$options[$component],
  static::$aliases[$component],

system/Debug/ExceptionHandler.php

@@ -129,7 +129,7 @@ protected function determineView(Throwable $exception, string $templatePath): st
  // Production environments should have a custom exception file.
  $view = 'production.php';
 
- if (str_ireplace(['off', 'none', 'no', 'false', 'null'], '', ini_get('display_errors'))) {
+ if (str_ireplace(['off', 'none', 'no', 'false', 'null'], '', ini_get('display_errors')) !== '') {
  $view = 'error_exception.php';
  }
 

phpstan-baseline.php

@@ -26,11 +26,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Autoloader/FileLocator.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Autoloader/FileLocator.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Short ternary operator is not allowed\\. Use null coalesce operator if applicable or consider using long ternary\\.$#',
 	'count' => 6,
@@ -71,16 +66,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/BaseModel.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/BaseModel.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/BaseModel.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Strict comparison using \\!\\=\\= between mixed and null will always evaluate to true\\.$#',
 	'count' => 1,
@@ -141,16 +126,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/CLI/CLI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CLI/CLI.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CLI/CLI.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Only booleans are allowed in \\|\\|, string given on the left side\\.$#',
 	'count' => 1,
@@ -171,11 +146,6 @@
 	'count' => 5,
 	'path' => __DIR__ . '/system/CLI/CLI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CLI/Commands.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 2,
@@ -211,26 +181,11 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Cache/Handlers/PredisHandler.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Cache/Handlers/PredisHandler.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Cache/Handlers/RedisHandler.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 6,
 	'path' => __DIR__ . '/system/CodeIgniter.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, CodeIgniter\\\\HTTP\\\\ResponseInterface\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CodeIgniter.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Property CodeIgniter\\\\CodeIgniter\\:\\:\\$controller type has no signature specified for Closure\\.$#',
 	'count' => 1,
@@ -971,11 +926,6 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Config/Factories.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string\\|null given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/Config/Factories.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Accessing offset \'SERVER_PROTOCOL\' directly on \\$_SERVER is discouraged\\.$#',
 	'count' => 1,
@@ -1926,31 +1876,11 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Debug/ExceptionHandler.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/ExceptionHandler.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 3,
 	'path' => __DIR__ . '/system/Debug/Exceptions.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, Throwable\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/Exceptions.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/Exceptions.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/Exceptions.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 1,
@@ -2041,11 +1971,6 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Encryption/Encryption.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, Config\\\\Encryption\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Encryption/Encryption.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 2,
@@ -2166,11 +2091,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/HTTP/CURLRequest.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/HTTP/CURLRequest.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Short ternary operator is not allowed\\. Use null coalesce operator if applicable or consider using long ternary\\.$#',
 	'count' => 1,
@@ -2426,11 +2346,6 @@
 	'count' => 4,
 	'path' => __DIR__ . '/system/HTTP/SiteURI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/HTTP/SiteURI.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Strict comparison using \\!\\=\\= between mixed and null will always evaluate to true\\.$#',
 	'count' => 1,
@@ -2441,16 +2356,6 @@
 	'count' => 15,
 	'path' => __DIR__ . '/system/HTTP/URI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/HTTP/URI.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string\\|null given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/HTTP/URI.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Property CodeIgniter\\\\HTTP\\\\URI\\:\\:\\$fragment \\(string\\) on left side of \\?\\? is not nullable\\.$#',
 	'count' => 1,
@@ -2621,11 +2526,6 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Helpers/test_helper.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Helpers/test_helper.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 3,
@@ -2786,11 +2686,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Log/Logger.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Log/Logger.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Parameter \\#1 \\$level \\(string\\) of method CodeIgniter\\\\Log\\\\Logger\\:\\:log\\(\\) should be contravariant with parameter \\$level \\(mixed\\) of method Psr\\\\Log\\\\LoggerInterface\\:\\:log\\(\\)$#',
 	'count' => 1,
@@ -2848,11 +2743,6 @@
 ];
 $ignoreErrors[] = [
 	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/Pager/Pager.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
 	'count' => 1,
 	'path' => __DIR__ . '/system/Pager/Pager.php',
 ];
@@ -3646,11 +3536,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Test/FeatureTestCase.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Test/FeatureTestCase.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Property CodeIgniter\\\\Test\\\\CIUnitTestCase\\:\\:\\$bodyFormat \\(string\\) in isset\\(\\) is not nullable\\.$#',
 	'count' => 1,
@@ -4156,11 +4041,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Validation/Validation.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/Validation/Validation.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Short ternary operator is not allowed\\. Use null coalesce operator if applicable or consider using long ternary\\.$#',
 	'count' => 2,
@@ -4231,11 +4111,6 @@
 	'count' => 3,
 	'path' => __DIR__ . '/system/View/View.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string\\|null given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/View/View.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Parameter \\#2 \\$context \\(\'attr\'\\|\'css\'\\|\'html\'\\|\'js\'\\|\'raw\'\\|\'url\'\\|null\\) of method CodeIgniter\\\\View\\\\View\\:\\:setData\\(\\) should be contravariant with parameter \\$context \\(string\\|null\\) of method CodeIgniter\\\\View\\\\RendererInterface\\:\\:setData\\(\\)$#',
 	'count' => 1,

rector.php

@@ -41,6 +41,7 @@
 use Rector\Privatization\Rector\Property\PrivatizeFinalClassPropertyRector;
 use Rector\Set\ValueObject\LevelSetList;
 use Rector\Set\ValueObject\SetList;
+use Rector\Strict\Rector\If_\BooleanInIfConditionRuleFixerRector;
 use Utils\Rector\PassStrictParameterToFunctionParameterRector;
 use Utils\Rector\RemoveErrorSuppressInTryCatchStmtsRector;
 use Utils\Rector\RemoveVarTagFromClassConstantRector;
@@ -140,4 +141,5 @@
  $rectorConfig->rule(StringClassNameToClassConstantRector::class);
  $rectorConfig->rule(PrivatizeFinalClassPropertyRector::class);
  $rectorConfig->rule(CompleteDynamicPropertiesRector::class);
+ $rectorConfig->rule(BooleanInIfConditionRuleFixerRector::class);
 };

system/Autoloader/FileLocator.php

@@ -205,7 +205,7 @@ public function search(string $path, string $ext = 'php', bool $prioritizeApp =
  */
  protected function ensureExt(string $path, string $ext): string
  {
- if ($ext) {
+ if ($ext !== '') {
  $ext = '.' . $ext;
 
  if (substr($path, -strlen($ext)) !== $ext) {

system/BaseModel.php

@@ -1194,7 +1194,7 @@ public function paginate(?int $perPage = null, string $group = 'default', ?int $
  // Since multiple models may use the Pager, the Pager must be shared.
  $pager = Services::pager();
 
- if ($segment) {
+ if ($segment !== 0) {
  $pager->setSegment($segment, $group);
  }
 
@@ -1656,8 +1656,10 @@ protected function objectToArray($data, bool $onlyChanged = true, bool $recursiv
  {
  $properties = $this->objectToRawArray($data, $onlyChanged, $recursive);
 
+ assert(is_array($properties));
+
  // Convert any Time instances to appropriate $dateFormat
- if ($properties) {
+ if ($properties !== []) {
  $properties = array_map(function ($value) {
  if ($value instanceof Time) {
  return $this->timeToDate($value);

system/CLI/CLI.php

@@ -267,7 +267,7 @@ public static function prompt(string $field, $options = null, $validation = null
  // Read the input from keyboard.
  $input = trim(static::input()) ?: $default;
 
- if ($validation) {
+ if ($validation !== []) {
  while (! static::validate('"' . trim($field) . '"', $input, $validation)) {
  $input = static::prompt($field, $options, $validation);
  }
@@ -1088,7 +1088,7 @@ public static function table(array $tbody, array $thead = [])
  foreach ($tableRows[$row] as $col) {
  $diff = $maxColsLengths[$column] - static::strlen($col);
 
- if ($diff) {
+ if ($diff !== 0) {
  $tableRows[$row][$column] .= str_repeat(' ', $diff);
  }
 

system/CLI/Commands.php

@@ -146,7 +146,8 @@ public function verifyCommand(string $command, array $commands): bool
 
  $message = lang('CLI.commandNotFound', [$command]);
 
- if ($alternatives = $this->getCommandAlternatives($command, $commands)) {
+ $alternatives = $this->getCommandAlternatives($command, $commands);
+ if ($alternatives !== []) {
  if (count($alternatives) === 1) {
  $message .= "\n\n" . lang('CLI.altCommandSingular') . "\n ";
  } else {

system/Cache/Handlers/PredisHandler.php

@@ -133,7 +133,7 @@ public function save(string $key, $value, int $ttl = 60)
  return false;
  }
 
- if ($ttl) {
+ if ($ttl !== 0) {
  $this->redis->expireat($key, Time::now()->getTimestamp() + $ttl);
  }
 

system/Cache/Handlers/RedisHandler.php

@@ -159,7 +159,7 @@ public function save(string $key, $value, int $ttl = 60)
  return false;
  }
 
- if ($ttl) {
+ if ($ttl !== 0) {
  $this->redis->expireAt($key, Time::now()->getTimestamp() + $ttl);
  }
 

system/CodeIgniter.php

@@ -708,7 +708,8 @@ protected function forceSecureAccess($duration = 31_536_000)
  */
  public function displayCache(Cache $config)
  {
- if ($cachedResponse = $this->pageCache->get($this->request, $this->response)) {
+ $cachedResponse = $this->pageCache->get($this->request, $this->response);
+ if ($cachedResponse instanceof ResponseInterface) {
  $this->response = $cachedResponse;
 
  $this->totalTime = $this->benchmark->getElapsedTime('total_execution');

system/Config/Factories.php

@@ -145,7 +145,8 @@ public static function __callStatic(string $component, array $arguments)
  }
 
  // Try to locate the class
- if ($class = self::locateClass($options, $alias)) {
+ $class = self::locateClass($options, $alias);
+ if ($class !== null) {
  return new $class(...$arguments);
  }
 
@@ -422,7 +423,7 @@ public static function setOptions(string $component, array $values): array
  */
  public static function reset(?string $component = null)
  {
- if ($component) {
+ if ($component !== null) {
  unset(
  static::$options[$component],
  static::$aliases[$component],

system/Debug/ExceptionHandler.php

@@ -129,7 +129,7 @@ protected function determineView(Throwable $exception, string $templatePath): st
  // Production environments should have a custom exception file.
  $view = 'production.php';
 
- if (str_ireplace(['off', 'none', 'no', 'false', 'null'], '', ini_get('display_errors'))) {
+ if (str_ireplace(['off', 'none', 'no', 'false', 'null'], '', ini_get('display_errors')) !== '') {
  $view = 'error_exception.php';
  }
 

phpstan-baseline.php

@@ -26,11 +26,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Autoloader/FileLocator.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Autoloader/FileLocator.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Short ternary operator is not allowed\\. Use null coalesce operator if applicable or consider using long ternary\\.$#',
 	'count' => 6,
@@ -71,16 +66,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/BaseModel.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/BaseModel.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/BaseModel.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Strict comparison using \\!\\=\\= between mixed and null will always evaluate to true\\.$#',
 	'count' => 1,
@@ -141,16 +126,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/CLI/CLI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CLI/CLI.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CLI/CLI.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Only booleans are allowed in \\|\\|, string given on the left side\\.$#',
 	'count' => 1,
@@ -171,11 +146,6 @@
 	'count' => 5,
 	'path' => __DIR__ . '/system/CLI/CLI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CLI/Commands.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 2,
@@ -211,26 +181,11 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Cache/Handlers/PredisHandler.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Cache/Handlers/PredisHandler.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Cache/Handlers/RedisHandler.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 6,
 	'path' => __DIR__ . '/system/CodeIgniter.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, CodeIgniter\\\\HTTP\\\\ResponseInterface\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CodeIgniter.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Property CodeIgniter\\\\CodeIgniter\\:\\:\\$controller type has no signature specified for Closure\\.$#',
 	'count' => 1,
@@ -971,11 +926,6 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Config/Factories.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string\\|null given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/Config/Factories.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Accessing offset \'SERVER_PROTOCOL\' directly on \\$_SERVER is discouraged\\.$#',
 	'count' => 1,
@@ -1926,31 +1876,11 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Debug/ExceptionHandler.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/ExceptionHandler.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 3,
 	'path' => __DIR__ . '/system/Debug/Exceptions.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, Throwable\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/Exceptions.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/Exceptions.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/Exceptions.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 1,
@@ -2041,11 +1971,6 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Encryption/Encryption.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, Config\\\\Encryption\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Encryption/Encryption.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 2,
@@ -2166,11 +2091,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/HTTP/CURLRequest.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/HTTP/CURLRequest.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Short ternary operator is not allowed\\. Use null coalesce operator if applicable or consider using long ternary\\.$#',
 	'count' => 1,
@@ -2426,11 +2346,6 @@
 	'count' => 4,
 	'path' => __DIR__ . '/system/HTTP/SiteURI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/HTTP/SiteURI.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Strict comparison using \\!\\=\\= between mixed and null will always evaluate to true\\.$#',
 	'count' => 1,
@@ -2441,16 +2356,6 @@
 	'count' => 15,
 	'path' => __DIR__ . '/system/HTTP/URI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/HTTP/URI.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string\\|null given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/HTTP/URI.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Property CodeIgniter\\\\HTTP\\\\URI\\:\\:\\$fragment \\(string\\) on left side of \\?\\? is not nullable\\.$#',
 	'count' => 1,
@@ -2621,11 +2526,6 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Helpers/test_helper.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Helpers/test_helper.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 3,
@@ -2786,11 +2686,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Log/Logger.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Log/Logger.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Parameter \\#1 \\$level \\(string\\) of method CodeIgniter\\\\Log\\\\Logger\\:\\:log\\(\\) should be contravariant with parameter \\$level \\(mixed\\) of method Psr\\\\Log\\\\LoggerInterface\\:\\:log\\(\\)$#',
 	'count' => 1,
@@ -2848,11 +2743,6 @@
 ];
 $ignoreErrors[] = [
 	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/Pager/Pager.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
 	'count' => 1,
 	'path' => __DIR__ . '/system/Pager/Pager.php',
 ];
@@ -3646,11 +3536,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Test/FeatureTestCase.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Test/FeatureTestCase.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Property CodeIgniter\\\\Test\\\\CIUnitTestCase\\:\\:\\$bodyFormat \\(string\\) in isset\\(\\) is not nullable\\.$#',
 	'count' => 1,
@@ -4156,11 +4041,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Validation/Validation.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/Validation/Validation.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Short ternary operator is not allowed\\. Use null coalesce operator if applicable or consider using long ternary\\.$#',
 	'count' => 2,
@@ -4231,11 +4111,6 @@
 	'count' => 3,
 	'path' => __DIR__ . '/system/View/View.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string\\|null given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/View/View.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Parameter \\#2 \\$context \\(\'attr\'\\|\'css\'\\|\'html\'\\|\'js\'\\|\'raw\'\\|\'url\'\\|null\\) of method CodeIgniter\\\\View\\\\View\\:\\:setData\\(\\) should be contravariant with parameter \\$context \\(string\\|null\\) of method CodeIgniter\\\\View\\\\RendererInterface\\:\\:setData\\(\\)$#',
 	'count' => 1,

rector.php

@@ -41,6 +41,7 @@
 use Rector\Privatization\Rector\Property\PrivatizeFinalClassPropertyRector;
 use Rector\Set\ValueObject\LevelSetList;
 use Rector\Set\ValueObject\SetList;
+use Rector\Strict\Rector\If_\BooleanInIfConditionRuleFixerRector;
 use Utils\Rector\PassStrictParameterToFunctionParameterRector;
 use Utils\Rector\RemoveErrorSuppressInTryCatchStmtsRector;
 use Utils\Rector\RemoveVarTagFromClassConstantRector;
@@ -140,4 +141,5 @@
  $rectorConfig->rule(StringClassNameToClassConstantRector::class);
  $rectorConfig->rule(PrivatizeFinalClassPropertyRector::class);
  $rectorConfig->rule(CompleteDynamicPropertiesRector::class);
+ $rectorConfig->rule(BooleanInIfConditionRuleFixerRector::class);
 };

system/Autoloader/FileLocator.php

@@ -205,7 +205,7 @@ public function search(string $path, string $ext = 'php', bool $prioritizeApp =
  */
  protected function ensureExt(string $path, string $ext): string
  {
- if ($ext) {
+ if ($ext !== '') {
  $ext = '.' . $ext;
 
  if (substr($path, -strlen($ext)) !== $ext) {

system/BaseModel.php

@@ -1194,7 +1194,7 @@ public function paginate(?int $perPage = null, string $group = 'default', ?int $
  // Since multiple models may use the Pager, the Pager must be shared.
  $pager = Services::pager();
 
- if ($segment) {
+ if ($segment !== 0) {
  $pager->setSegment($segment, $group);
  }
 
@@ -1656,8 +1656,10 @@ protected function objectToArray($data, bool $onlyChanged = true, bool $recursiv
  {
  $properties = $this->objectToRawArray($data, $onlyChanged, $recursive);
 
+ assert(is_array($properties));
+
  // Convert any Time instances to appropriate $dateFormat
- if ($properties) {
+ if ($properties !== []) {
  $properties = array_map(function ($value) {
  if ($value instanceof Time) {
  return $this->timeToDate($value);

system/CLI/CLI.php

@@ -267,7 +267,7 @@ public static function prompt(string $field, $options = null, $validation = null
  // Read the input from keyboard.
  $input = trim(static::input()) ?: $default;
 
- if ($validation) {
+ if ($validation !== []) {
  while (! static::validate('"' . trim($field) . '"', $input, $validation)) {
  $input = static::prompt($field, $options, $validation);
  }
@@ -1088,7 +1088,7 @@ public static function table(array $tbody, array $thead = [])
  foreach ($tableRows[$row] as $col) {
  $diff = $maxColsLengths[$column] - static::strlen($col);
 
- if ($diff) {
+ if ($diff !== 0) {
  $tableRows[$row][$column] .= str_repeat(' ', $diff);
  }
 

system/CLI/Commands.php

@@ -146,7 +146,8 @@ public function verifyCommand(string $command, array $commands): bool
 
  $message = lang('CLI.commandNotFound', [$command]);
 
- if ($alternatives = $this->getCommandAlternatives($command, $commands)) {
+ $alternatives = $this->getCommandAlternatives($command, $commands);
+ if ($alternatives !== []) {
  if (count($alternatives) === 1) {
  $message .= "\n\n" . lang('CLI.altCommandSingular') . "\n ";
  } else {

system/Cache/Handlers/PredisHandler.php

@@ -133,7 +133,7 @@ public function save(string $key, $value, int $ttl = 60)
  return false;
  }
 
- if ($ttl) {
+ if ($ttl !== 0) {
  $this->redis->expireat($key, Time::now()->getTimestamp() + $ttl);
  }
 

system/Cache/Handlers/RedisHandler.php

@@ -159,7 +159,7 @@ public function save(string $key, $value, int $ttl = 60)
  return false;
  }
 
- if ($ttl) {
+ if ($ttl !== 0) {
  $this->redis->expireAt($key, Time::now()->getTimestamp() + $ttl);
  }
 

system/CodeIgniter.php

@@ -708,7 +708,8 @@ protected function forceSecureAccess($duration = 31_536_000)
  */
  public function displayCache(Cache $config)
  {
- if ($cachedResponse = $this->pageCache->get($this->request, $this->response)) {
+ $cachedResponse = $this->pageCache->get($this->request, $this->response);
+ if ($cachedResponse instanceof ResponseInterface) {
  $this->response = $cachedResponse;
 
  $this->totalTime = $this->benchmark->getElapsedTime('total_execution');

system/Config/Factories.php

@@ -145,7 +145,8 @@ public static function __callStatic(string $component, array $arguments)
  }
 
  // Try to locate the class
- if ($class = self::locateClass($options, $alias)) {
+ $class = self::locateClass($options, $alias);
+ if ($class !== null) {
  return new $class(...$arguments);
  }
 
@@ -422,7 +423,7 @@ public static function setOptions(string $component, array $values): array
  */
  public static function reset(?string $component = null)
  {
- if ($component) {
+ if ($component !== null) {
  unset(
  static::$options[$component],
  static::$aliases[$component],

system/Debug/ExceptionHandler.php

@@ -129,7 +129,7 @@ protected function determineView(Throwable $exception, string $templatePath): st
  // Production environments should have a custom exception file.
  $view = 'production.php';
 
- if (str_ireplace(['off', 'none', 'no', 'false', 'null'], '', ini_get('display_errors'))) {
+ if (str_ireplace(['off', 'none', 'no', 'false', 'null'], '', ini_get('display_errors')) !== '') {
  $view = 'error_exception.php';
  }
 

phpstan-baseline.php

@@ -26,11 +26,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Autoloader/FileLocator.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Autoloader/FileLocator.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Short ternary operator is not allowed\\. Use null coalesce operator if applicable or consider using long ternary\\.$#',
 	'count' => 6,
@@ -71,16 +66,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/BaseModel.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/BaseModel.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/BaseModel.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Strict comparison using \\!\\=\\= between mixed and null will always evaluate to true\\.$#',
 	'count' => 1,
@@ -141,16 +126,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/CLI/CLI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CLI/CLI.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CLI/CLI.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Only booleans are allowed in \\|\\|, string given on the left side\\.$#',
 	'count' => 1,
@@ -171,11 +146,6 @@
 	'count' => 5,
 	'path' => __DIR__ . '/system/CLI/CLI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CLI/Commands.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 2,
@@ -211,26 +181,11 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Cache/Handlers/PredisHandler.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Cache/Handlers/PredisHandler.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Cache/Handlers/RedisHandler.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 6,
 	'path' => __DIR__ . '/system/CodeIgniter.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, CodeIgniter\\\\HTTP\\\\ResponseInterface\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CodeIgniter.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Property CodeIgniter\\\\CodeIgniter\\:\\:\\$controller type has no signature specified for Closure\\.$#',
 	'count' => 1,
@@ -971,11 +926,6 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Config/Factories.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string\\|null given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/Config/Factories.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Accessing offset \'SERVER_PROTOCOL\' directly on \\$_SERVER is discouraged\\.$#',
 	'count' => 1,
@@ -1926,31 +1876,11 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Debug/ExceptionHandler.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/ExceptionHandler.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 3,
 	'path' => __DIR__ . '/system/Debug/Exceptions.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, Throwable\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/Exceptions.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/Exceptions.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/Exceptions.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 1,
@@ -2041,11 +1971,6 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Encryption/Encryption.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, Config\\\\Encryption\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Encryption/Encryption.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 2,
@@ -2166,11 +2091,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/HTTP/CURLRequest.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/HTTP/CURLRequest.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Short ternary operator is not allowed\\. Use null coalesce operator if applicable or consider using long ternary\\.$#',
 	'count' => 1,
@@ -2426,11 +2346,6 @@
 	'count' => 4,
 	'path' => __DIR__ . '/system/HTTP/SiteURI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/HTTP/SiteURI.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Strict comparison using \\!\\=\\= between mixed and null will always evaluate to true\\.$#',
 	'count' => 1,
@@ -2441,16 +2356,6 @@
 	'count' => 15,
 	'path' => __DIR__ . '/system/HTTP/URI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/HTTP/URI.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string\\|null given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/HTTP/URI.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Property CodeIgniter\\\\HTTP\\\\URI\\:\\:\\$fragment \\(string\\) on left side of \\?\\? is not nullable\\.$#',
 	'count' => 1,
@@ -2621,11 +2526,6 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Helpers/test_helper.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Helpers/test_helper.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 3,
@@ -2786,11 +2686,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Log/Logger.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Log/Logger.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Parameter \\#1 \\$level \\(string\\) of method CodeIgniter\\\\Log\\\\Logger\\:\\:log\\(\\) should be contravariant with parameter \\$level \\(mixed\\) of method Psr\\\\Log\\\\LoggerInterface\\:\\:log\\(\\)$#',
 	'count' => 1,
@@ -2848,11 +2743,6 @@
 ];
 $ignoreErrors[] = [
 	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/Pager/Pager.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
 	'count' => 1,
 	'path' => __DIR__ . '/system/Pager/Pager.php',
 ];
@@ -3646,11 +3536,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Test/FeatureTestCase.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Test/FeatureTestCase.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Property CodeIgniter\\\\Test\\\\CIUnitTestCase\\:\\:\\$bodyFormat \\(string\\) in isset\\(\\) is not nullable\\.$#',
 	'count' => 1,
@@ -4156,11 +4041,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Validation/Validation.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/Validation/Validation.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Short ternary operator is not allowed\\. Use null coalesce operator if applicable or consider using long ternary\\.$#',
 	'count' => 2,
@@ -4231,11 +4111,6 @@
 	'count' => 3,
 	'path' => __DIR__ . '/system/View/View.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string\\|null given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/View/View.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Parameter \\#2 \\$context \\(\'attr\'\\|\'css\'\\|\'html\'\\|\'js\'\\|\'raw\'\\|\'url\'\\|null\\) of method CodeIgniter\\\\View\\\\View\\:\\:setData\\(\\) should be contravariant with parameter \\$context \\(string\\|null\\) of method CodeIgniter\\\\View\\\\RendererInterface\\:\\:setData\\(\\)$#',
 	'count' => 1,

rector.php

@@ -41,6 +41,7 @@
 use Rector\Privatization\Rector\Property\PrivatizeFinalClassPropertyRector;
 use Rector\Set\ValueObject\LevelSetList;
 use Rector\Set\ValueObject\SetList;
+use Rector\Strict\Rector\If_\BooleanInIfConditionRuleFixerRector;
 use Utils\Rector\PassStrictParameterToFunctionParameterRector;
 use Utils\Rector\RemoveErrorSuppressInTryCatchStmtsRector;
 use Utils\Rector\RemoveVarTagFromClassConstantRector;
@@ -140,4 +141,5 @@
  $rectorConfig->rule(StringClassNameToClassConstantRector::class);
  $rectorConfig->rule(PrivatizeFinalClassPropertyRector::class);
  $rectorConfig->rule(CompleteDynamicPropertiesRector::class);
+ $rectorConfig->rule(BooleanInIfConditionRuleFixerRector::class);
 };

system/Autoloader/FileLocator.php

@@ -205,7 +205,7 @@ public function search(string $path, string $ext = 'php', bool $prioritizeApp =
  */
  protected function ensureExt(string $path, string $ext): string
  {
- if ($ext) {
+ if ($ext !== '') {
  $ext = '.' . $ext;
 
  if (substr($path, -strlen($ext)) !== $ext) {

system/BaseModel.php

@@ -1194,7 +1194,7 @@ public function paginate(?int $perPage = null, string $group = 'default', ?int $
  // Since multiple models may use the Pager, the Pager must be shared.
  $pager = Services::pager();
 
- if ($segment) {
+ if ($segment !== 0) {
  $pager->setSegment($segment, $group);
  }
 
@@ -1656,8 +1656,10 @@ protected function objectToArray($data, bool $onlyChanged = true, bool $recursiv
  {
  $properties = $this->objectToRawArray($data, $onlyChanged, $recursive);
 
+ assert(is_array($properties));
+
  // Convert any Time instances to appropriate $dateFormat
- if ($properties) {
+ if ($properties !== []) {
  $properties = array_map(function ($value) {
  if ($value instanceof Time) {
  return $this->timeToDate($value);

system/CLI/CLI.php

@@ -267,7 +267,7 @@ public static function prompt(string $field, $options = null, $validation = null
  // Read the input from keyboard.
  $input = trim(static::input()) ?: $default;
 
- if ($validation) {
+ if ($validation !== []) {
  while (! static::validate('"' . trim($field) . '"', $input, $validation)) {
  $input = static::prompt($field, $options, $validation);
  }
@@ -1088,7 +1088,7 @@ public static function table(array $tbody, array $thead = [])
  foreach ($tableRows[$row] as $col) {
  $diff = $maxColsLengths[$column] - static::strlen($col);
 
- if ($diff) {
+ if ($diff !== 0) {
  $tableRows[$row][$column] .= str_repeat(' ', $diff);
  }
 

system/CLI/Commands.php

@@ -146,7 +146,8 @@ public function verifyCommand(string $command, array $commands): bool
 
  $message = lang('CLI.commandNotFound', [$command]);
 
- if ($alternatives = $this->getCommandAlternatives($command, $commands)) {
+ $alternatives = $this->getCommandAlternatives($command, $commands);
+ if ($alternatives !== []) {
  if (count($alternatives) === 1) {
  $message .= "\n\n" . lang('CLI.altCommandSingular') . "\n ";
  } else {

system/Cache/Handlers/PredisHandler.php

@@ -133,7 +133,7 @@ public function save(string $key, $value, int $ttl = 60)
  return false;
  }
 
- if ($ttl) {
+ if ($ttl !== 0) {
  $this->redis->expireat($key, Time::now()->getTimestamp() + $ttl);
  }
 

system/Cache/Handlers/RedisHandler.php

@@ -159,7 +159,7 @@ public function save(string $key, $value, int $ttl = 60)
  return false;
  }
 
- if ($ttl) {
+ if ($ttl !== 0) {
  $this->redis->expireAt($key, Time::now()->getTimestamp() + $ttl);
  }
 

system/CodeIgniter.php

@@ -708,7 +708,8 @@ protected function forceSecureAccess($duration = 31_536_000)
  */
  public function displayCache(Cache $config)
  {
- if ($cachedResponse = $this->pageCache->get($this->request, $this->response)) {
+ $cachedResponse = $this->pageCache->get($this->request, $this->response);
+ if ($cachedResponse instanceof ResponseInterface) {
  $this->response = $cachedResponse;
 
  $this->totalTime = $this->benchmark->getElapsedTime('total_execution');

system/Config/Factories.php

@@ -145,7 +145,8 @@ public static function __callStatic(string $component, array $arguments)
  }
 
  // Try to locate the class
- if ($class = self::locateClass($options, $alias)) {
+ $class = self::locateClass($options, $alias);
+ if ($class !== null) {
  return new $class(...$arguments);
  }
 
@@ -422,7 +423,7 @@ public static function setOptions(string $component, array $values): array
  */
  public static function reset(?string $component = null)
  {
- if ($component) {
+ if ($component !== null) {
  unset(
  static::$options[$component],
  static::$aliases[$component],

system/Debug/ExceptionHandler.php

@@ -129,7 +129,7 @@ protected function determineView(Throwable $exception, string $templatePath): st
  // Production environments should have a custom exception file.
  $view = 'production.php';
 
- if (str_ireplace(['off', 'none', 'no', 'false', 'null'], '', ini_get('display_errors'))) {
+ if (str_ireplace(['off', 'none', 'no', 'false', 'null'], '', ini_get('display_errors')) !== '') {
  $view = 'error_exception.php';
  }
 

phpstan-baseline.php

@@ -26,11 +26,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Autoloader/FileLocator.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Autoloader/FileLocator.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Short ternary operator is not allowed\\. Use null coalesce operator if applicable or consider using long ternary\\.$#',
 	'count' => 6,
@@ -71,16 +66,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/BaseModel.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/BaseModel.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/BaseModel.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Strict comparison using \\!\\=\\= between mixed and null will always evaluate to true\\.$#',
 	'count' => 1,
@@ -141,16 +126,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/CLI/CLI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CLI/CLI.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CLI/CLI.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Only booleans are allowed in \\|\\|, string given on the left side\\.$#',
 	'count' => 1,
@@ -171,11 +146,6 @@
 	'count' => 5,
 	'path' => __DIR__ . '/system/CLI/CLI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CLI/Commands.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 2,
@@ -211,26 +181,11 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Cache/Handlers/PredisHandler.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Cache/Handlers/PredisHandler.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Cache/Handlers/RedisHandler.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 6,
 	'path' => __DIR__ . '/system/CodeIgniter.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, CodeIgniter\\\\HTTP\\\\ResponseInterface\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/CodeIgniter.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Property CodeIgniter\\\\CodeIgniter\\:\\:\\$controller type has no signature specified for Closure\\.$#',
 	'count' => 1,
@@ -971,11 +926,6 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Config/Factories.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string\\|null given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/Config/Factories.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Accessing offset \'SERVER_PROTOCOL\' directly on \\$_SERVER is discouraged\\.$#',
 	'count' => 1,
@@ -1926,31 +1876,11 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Debug/ExceptionHandler.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/ExceptionHandler.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 3,
 	'path' => __DIR__ . '/system/Debug/Exceptions.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, Throwable\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/Exceptions.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/Exceptions.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Debug/Exceptions.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 1,
@@ -2041,11 +1971,6 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Encryption/Encryption.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, Config\\\\Encryption\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Encryption/Encryption.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 2,
@@ -2166,11 +2091,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/HTTP/CURLRequest.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/HTTP/CURLRequest.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Short ternary operator is not allowed\\. Use null coalesce operator if applicable or consider using long ternary\\.$#',
 	'count' => 1,
@@ -2426,11 +2346,6 @@
 	'count' => 4,
 	'path' => __DIR__ . '/system/HTTP/SiteURI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/HTTP/SiteURI.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Strict comparison using \\!\\=\\= between mixed and null will always evaluate to true\\.$#',
 	'count' => 1,
@@ -2441,16 +2356,6 @@
 	'count' => 15,
 	'path' => __DIR__ . '/system/HTTP/URI.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/HTTP/URI.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string\\|null given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/HTTP/URI.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Property CodeIgniter\\\\HTTP\\\\URI\\:\\:\\$fragment \\(string\\) on left side of \\?\\? is not nullable\\.$#',
 	'count' => 1,
@@ -2621,11 +2526,6 @@
 	'count' => 2,
 	'path' => __DIR__ . '/system/Helpers/test_helper.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Helpers/test_helper.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 3,
@@ -2786,11 +2686,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Log/Logger.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Log/Logger.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Parameter \\#1 \\$level \\(string\\) of method CodeIgniter\\\\Log\\\\Logger\\:\\:log\\(\\) should be contravariant with parameter \\$level \\(mixed\\) of method Psr\\\\Log\\\\LoggerInterface\\:\\:log\\(\\)$#',
 	'count' => 1,
@@ -2848,11 +2743,6 @@
 ];
 $ignoreErrors[] = [
 	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/Pager/Pager.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, int given\\.$#',
 	'count' => 1,
 	'path' => __DIR__ . '/system/Pager/Pager.php',
 ];
@@ -3646,11 +3536,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Test/FeatureTestCase.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array\\|null given\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Test/FeatureTestCase.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Property CodeIgniter\\\\Test\\\\CIUnitTestCase\\:\\:\\$bodyFormat \\(string\\) in isset\\(\\) is not nullable\\.$#',
 	'count' => 1,
@@ -4156,11 +4041,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Validation/Validation.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, array given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/Validation/Validation.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Short ternary operator is not allowed\\. Use null coalesce operator if applicable or consider using long ternary\\.$#',
 	'count' => 2,
@@ -4231,11 +4111,6 @@
 	'count' => 3,
 	'path' => __DIR__ . '/system/View/View.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Only booleans are allowed in an if condition, string\\|null given\\.$#',
-	'count' => 2,
-	'path' => __DIR__ . '/system/View/View.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Parameter \\#2 \\$context \\(\'attr\'\\|\'css\'\\|\'html\'\\|\'js\'\\|\'raw\'\\|\'url\'\\|null\\) of method CodeIgniter\\\\View\\\\View\\:\\:setData\\(\\) should be contravariant with parameter \\$context \\(string\\|null\\) of method CodeIgniter\\\\View\\\\RendererInterface\\:\\:setData\\(\\)$#',
 	'count' => 1,

rector.php

@@ -41,6 +41,7 @@
 use Rector\Privatization\Rector\Property\PrivatizeFinalClassPropertyRector;
 use Rector\Set\ValueObject\LevelSetList;
 use Rector\Set\ValueObject\SetList;
+use Rector\Strict\Rector\If_\BooleanInIfConditionRuleFixerRector;
 use Utils\Rector\PassStrictParameterToFunctionParameterRector;
 use Utils\Rector\RemoveErrorSuppressInTryCatchStmtsRector;
 use Utils\Rector\RemoveVarTagFromClassConstantRector;
@@ -140,4 +141,5 @@
  $rectorConfig->rule(StringClassNameToClassConstantRector::class);
  $rectorConfig->rule(PrivatizeFinalClassPropertyRector::class);
  $rectorConfig->rule(CompleteDynamicPropertiesRector::class);
+ $rectorConfig->rule(BooleanInIfConditionRuleFixerRector::class);
 };

system/Autoloader/FileLocator.php

@@ -205,7 +205,7 @@ public function search(string $path, string $ext = 'php', bool $prioritizeApp =
  */
  protected function ensureExt(string $path, string $ext): string
  {
- if ($ext) {
+ if ($ext !== '') {
  $ext = '.' . $ext;
 
  if (substr($path, -strlen($ext)) !== $ext) {

system/BaseModel.php

@@ -1194,7 +1194,7 @@ public function paginate(?int $perPage = null, string $group = 'default', ?int $
  // Since multiple models may use the Pager, the Pager must be shared.
  $pager = Services::pager();
 
- if ($segment) {
+ if ($segment !== 0) {
  $pager->setSegment($segment, $group);
  }
 
@@ -1656,8 +1656,10 @@ protected function objectToArray($data, bool $onlyChanged = true, bool $recursiv
  {
  $properties = $this->objectToRawArray($data, $onlyChanged, $recursive);
 
+ assert(is_array($properties));
+
  // Convert any Time instances to appropriate $dateFormat
- if ($properties) {
+ if ($properties !== []) {
  $properties = array_map(function ($value) {
  if ($value instanceof Time) {
  return $this->timeToDate($value);

system/CLI/CLI.php

@@ -267,7 +267,7 @@ public static function prompt(string $field, $options = null, $validation = null
  // Read the input from keyboard.
  $input = trim(static::input()) ?: $default;
 
- if ($validation) {
+ if ($validation !== []) {
  while (! static::validate('"' . trim($field) . '"', $input, $validation)) {
  $input = static::prompt($field, $options, $validation);
  }
@@ -1088,7 +1088,7 @@ public static function table(array $tbody, array $thead = [])
  foreach ($tableRows[$row] as $col) {
  $diff = $maxColsLengths[$column] - static::strlen($col);
 
- if ($diff) {
+ if ($diff !== 0) {
  $tableRows[$row][$column] .= str_repeat(' ', $diff);
  }
 

system/CLI/Commands.php

@@ -146,7 +146,8 @@ public function verifyCommand(string $command, array $commands): bool
 
  $message = lang('CLI.commandNotFound', [$command]);
 
- if ($alternatives = $this->getCommandAlternatives($command, $commands)) {
+ $alternatives = $this->getCommandAlternatives($command, $commands);
+ if ($alternatives !== []) {
  if (count($alternatives) === 1) {
  $message .= "\n\n" . lang('CLI.altCommandSingular') . "\n ";
  } else {

system/Cache/Handlers/PredisHandler.php

@@ -133,7 +133,7 @@ public function save(string $key, $value, int $ttl = 60)
  return false;
  }
 
- if ($ttl) {
+ if ($ttl !== 0) {
  $this->redis->expireat($key, Time::now()->getTimestamp() + $ttl);
  }
 

system/Cache/Handlers/RedisHandler.php

@@ -159,7 +159,7 @@ public function save(string $key, $value, int $ttl = 60)
  return false;
  }
 
- if ($ttl) {
+ if ($ttl !== 0) {
  $this->redis->expireAt($key, Time::now()->getTimestamp() + $ttl);
  }
 

system/CodeIgniter.php

@@ -708,7 +708,8 @@ protected function forceSecureAccess($duration = 31_536_000)
  */
  public function displayCache(Cache $config)
  {
- if ($cachedResponse = $this->pageCache->get($this->request, $this->response)) {
+ $cachedResponse = $this->pageCache->get($this->request, $this->response);
+ if ($cachedResponse instanceof ResponseInterface) {
  $this->response = $cachedResponse;
 
  $this->totalTime = $this->benchmark->getElapsedTime('total_execution');

system/Config/Factories.php

@@ -145,7 +145,8 @@ public static function __callStatic(string $component, array $arguments)
  }
 
  // Try to locate the class
- if ($class = self::locateClass($options, $alias)) {
+ $class = self::locateClass($options, $alias);
+ if ($class !== null) {
  return new $class(...$arguments);
  }
 
@@ -422,7 +423,7 @@ public static function setOptions(string $component, array $values): array
  */
  public static function reset(?string $component = null)
  {
- if ($component) {
+ if ($component !== null) {
  unset(
  static::$options[$component],
  static::$aliases[$component],

system/Debug/ExceptionHandler.php

@@ -129,7 +129,7 @@ protected function determineView(Throwable $exception, string $templatePath): st
  // Production environments should have a custom exception file.
  $view = 'production.php';
 
- if (str_ireplace(['off', 'none', 'no', 'false', 'null'], '', ini_get('display_errors'))) {
+ if (str_ireplace(['off', 'none', 'no', 'false', 'null'], '', ini_get('display_errors')) !== '') {
  $view = 'error_exception.php';
  }