php stripslashes()和addslashes()用法

<?php

if(get_magic_quotes_gpc())
{
    function stripslashes_deep($value)
    {
        $value = is_array($value) ? array_map('stripslashes_deep', $value) : (isset($value) ? stripslashes($value) : null);
        return $value;
    }
 
    $_POST = stripslashes_deep($_POST);
    $_GET = stripslashes_deep($_GET);
    $_COOKIE = stripslashes_deep($_COOKIE);
}
?>