41 lines
920 B
PHP
41 lines
920 B
PHP
<?php
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/**
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* Created by PhpStorm.
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* User: Exodus
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* Date: 26.11.2016
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* Time: 17:32
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*/
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namespace Lib;
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class Util {
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/**
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* convert array keys to upper/lowercase -> recursive
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* @param $arr
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* @param int $case
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* @return array
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*/
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static function arrayChangeKeyCaseRecursive($arr, $case = CASE_LOWER){
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return array_map( function($item){
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if( is_array($item) )
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$item = self::arrayChangeKeyCaseRecursive($item);
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return $item;
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}, array_change_key_case($arr, $case));
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}
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/**
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* convert array keys by a custom callback
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* @param $arr
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* @param $callback
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* @return array
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*/
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static function arrayChangeKeys($arr, $callback){
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return array_combine(
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array_map(function ($key) use ($callback){
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return $callback($key);
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}, array_keys($arr)), $arr
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);
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}
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} |