69 lines
1.9 KiB
PHP
69 lines
1.9 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Form\Util;
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/**
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* @author Bernhard Schussek <bschussek@gmail.com>
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*/
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class FormUtil
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{
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/**
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* This class should not be instantiated.
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*/
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private function __construct()
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{
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}
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/**
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* Returns whether the given data is empty.
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*
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* This logic is reused multiple times throughout the processing of
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* a form and needs to be consistent. PHP keyword `empty` cannot
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* be used as it also considers 0 and "0" to be empty.
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*/
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public static function isEmpty(mixed $data): bool
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{
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// Should not do a check for [] === $data!!!
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// This method is used in occurrences where arrays are
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// not considered to be empty, ever.
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return null === $data || '' === $data;
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}
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/**
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* Recursively replaces or appends elements of the first array with elements
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* of second array. If the key is an integer, the values will be appended to
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* the new array; otherwise, the value from the second array will replace
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* the one from the first array.
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*/
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public static function mergeParamsAndFiles(array $params, array $files): array
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{
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$isFilesList = array_is_list($files);
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foreach ($params as $key => $value) {
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if (\is_array($value) && \is_array($files[$key] ?? null)) {
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$params[$key] = self::mergeParamsAndFiles($value, $files[$key]);
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unset($files[$key]);
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}
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}
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if (!$isFilesList) {
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return array_replace($params, $files);
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}
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foreach ($files as $value) {
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$params[] = $value;
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}
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return $params;
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}
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}
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