ArrayDataFilterTrait.php

<?php

/*
 * This file is part of the Koded package.
 *
 * (c) Mihail Binev <mihail@kodeart.com>
 *
 * Please view the LICENSE distributed with this source code
 * for the full copyright and license information.
 */

namespace Koded\Stdlib;

use function array_key_exists;
use function explode;
use function str_replace;
use function str_starts_with;
use function strtolower;

trait ArrayDataFilterTrait
{
 public function filter(
 iterable $data,
 string $prefix,
 bool $lowercase = true,
 bool $trim = true): array
 {
 $filtered = [];
 foreach ($data as $index => $value) {
 if ($trim && '' !== $prefix && str_starts_with($index, $prefix)) {
 $index = str_replace($prefix, '', $index);
 }
 $filtered[$lowercase ? strtolower($index) : $index] = $value;
 }
 return $filtered;
 }

 public function find(string $index, mixed $default = null): mixed
 {
 if (isset($this->data[$index])) {
 return $this->data[$index];
 }
 $data = $this->data;
 foreach (explode('.', $index) as $token) {
 if (false === array_key_exists($token, $data)) {
 return $default;
 }
 $data =& $data[$token];
 }
 return $data;
 }

 public function extract(array $indexes): array
 {
 $found = [];
 foreach ($indexes as $index) {
 $found[$index] = $this->data[$index] ?? null;
 }
 return $found;
 }
}