관리-도구
편집 파일: Util.php
<?php declare(strict_types=1); /* * This file is a part of dflydev/dot-access-data. * * (c) Dragonfly Development Inc. * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Dflydev\DotAccessData; class Util { /** * Test if array is an associative array * * Note that this function will return true if an array is empty. Meaning * empty arrays will be treated as if they are associative arrays. * * @param array<mixed> $arr * * @return bool * * @psalm-pure */ public static function isAssoc(array $arr): bool { return !count($arr) || count(array_filter(array_keys($arr), 'is_string')) == count($arr); } /** * Merge contents from one associtative array to another * * @param mixed $to * @param mixed $from * @param DataInterface::PRESERVE|DataInterface::REPLACE|DataInterface::MERGE $mode * * @return mixed * * @psalm-pure */ public static function mergeAssocArray($to, $from, int $mode = DataInterface::REPLACE) { if ($mode === DataInterface::MERGE && self::isList($to) && self::isList($from)) { return array_merge($to, $from); } if (is_array($from) && is_array($to)) { foreach ($from as $k => $v) { if (!isset($to[$k])) { $to[$k] = $v; } else { $to[$k] = self::mergeAssocArray($to[$k], $v, $mode); } } return $to; } return $mode === DataInterface::PRESERVE ? $to : $from; } /** * @param mixed $value * * @return bool * * @psalm-pure */ private static function isList($value): bool { return is_array($value) && array_values($value) === $value; } }