删除一个数组中的某个值!-PHP源码

删除一个数组中的某个值!-PHP源码

1. [PHP]代码

function array_remove_key($array, $keys)
{
    $num = count($keys);
    $num_last = $num - 1;
    $this_array_0 = &$array;
    $last_key = $keys[$num_last];
    for ($i = 0; $i < $num_last; $i++)
    {
        $this_key = $keys[$i];
        $this_var_name = 'this_array_' . $i;
        $next_var_name = 'this_array_' . ($i + 1);
        if (!array_key_exists($this_key, $$this_var_name)) {
            break;
       }
        $$next_var_name = &${$this_var_name}[$this_key];
    }
    unset(${$next_var_name}[$last_key]);
    return $array;
}