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PHP: 数组键添加前缀后缀, 数组值添加前缀后缀, Adding prefix strings to array values, add prefix in each key of PHP Array? - Just Code
1. 修改数组键名: $myArray = ['0'=>'Hi','1'=>'Hello','2'=>'Hey']; $myNewArray = array_combine( array_map(function($key){ return 'a'.$key; }, array_keys($myArray)), $myArray ); print_r($myNewArray); 输出: Array ( [a0] => Hi [a1] => Hello [a2] => Hey ) 2. 修改数组值: 在每个值后面追加字符 $array = array('a', 'b', 'c'); array_walk($array, function(&$value, $key) { $value .= 'd'; } ); 在每个值前面添加空格 $array = …