sample usage

composer require alpercevik/request-variable-validation

useRequestVariableValidation\RequestVariableValidation;
require_once'/vendor/autoload.php'; // composer autoloader$APIRequestVariableValidation = RequestVariableValidation::getInstance();
$rules = array(
"lang" => array("type"=>"letters","max_length" =>2, "min_length"=>2),
"offset" => array("type"=>"numbers","max_length" =>2, "min_length"=>1),
"count" => array("type"=>"numbers","max_length" =>2, "min_length"=>1)
);
$result = $APIRequestVariableValidation->checkVariableIfExists($_GET, $rules);

returns

$result['status'] = 0; // 0: Error, 1: Success$result['message'] = ""// If an error occured