php 提交或者转码后出现反斜杠处理addslashes和stripslashes的用法

关于提交或者转码后出现反斜杠处理函数addslashes()和stripslashes()的用法【PHP】

addslashes() 例子：

<?php
$str = "Who's Ybb Adams?";
echo $str . " This is not safe in a database query.<br />";
echo addslashes($str) . " This is safe in a database query.";?>

输出：

Who's John Adams? This is not safe in a database query.Who\'s Ybb Adams? This is safe in a database query.

stripslashes() 例子：

<?php
echo stripslashes("Who\'s ybb?");?>

输出：

Who's ybb?