php post undefined index,PHP 中提示undefined index的解决方案
声明为空isset($_POST['user_email']),或者,empty($_POST['user_email'])
在php.ini中设置error_reporting = E_ALL 修改成error_reporting = E_ALL & ~E_NOTICE
声明为空isset($_POST['user_email']),或者,empty($_POST['user_email'])
在php.ini中设置error_reporting = E_ALL 修改成error_reporting = E_ALL & ~E_NOTICE
<?php $servername = "localhost"; $username = "root"; $...
用substr函数实现substr(md5(变量),8,16);就可以实现默认的md5(变量)输出的是32位加密方法...
<?php //设置cookie setcookie("user_name", "frank", time()+3600); /...
<?php $my_name='&&&&'; //echo substr(xml_entities(...
https://windows.php.net/downloads/releases/archives/...
echo date('Y-m-d',$date); PHP里面将date型数据输出: echo $date; PHP里面将dat...