Tag: Adding prefix strings to array values

    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',… Read More

问题： $myarray = array("test", "test2", "test3"); #转换为 $myarray = array("prefix_test", "prefix_test2", "prefix_test3");   方法一： $myarray = array("test", "test2", "test3"); array_walk($myarray, function(&$value, $key) { $value = 'prefix_'.$value; } ); 方法二： $myarray = array("test", "test2", "test3"); $array = array_map(function($v… Read More