PHP数组根据值获取Key的简单示例
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发布: 2016-07-25 08:55:41
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/**
- * 根据php数组的值获取Key
- * by bbs.it-home.org
- */
- function getKey($arr, $value) {
- if(!is_array($arr)) return null;
- foreach($arr as $k =>$v) {
- $return = getKey($v, $value);
- if($v == $value){
- return $k;
- }
- if(!is_null($return)){
- return $return;
- }
- }
- }
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