php字符截取
substr(变量, 0,506)
<?php $servername = "localhost"; $username = "root"; $...
用substr函数实现substr(md5(变量),8,16);就可以实现默认的md5(变量)输出的是32位加密方法...
https://windows.php.net/downloads/releases/archives/...
<?php function xml_entities($string) { //过滤emod $ts_zifu= json_encode($st...
声明为空isset($_POST['user_email']),或者,empty($_POST['user_email'])在php.ini中设置error_repor...
php的open_basedir设置多个路径(目录),分隔符是“:”冒号open_basedir=/www/wwwroot/www.ceshi.com/:/tmp/:/www/...