<?php
连接数据库;
$sql = "SELECT user FROM A WHERE user LIKE '%a%' OR user LIKE '%b%'";
$res = mysql_query($sql,$dbh);
if ($res && mysql_num_rows($res)<1) {
跳转至 a.php
exit;
}
继续执行其他代码
?>
连接数据库;
$sql = "SELECT user FROM A WHERE user LIKE '%a%' OR user LIKE '%b%'";
$res = mysql_query($sql,$dbh);
if ($res && mysql_num_rows($res)<1) {
跳转至 a.php
exit;
}
继续执行其他代码
?>
$res = mysql_query($sql);//用户通过验证
$arr = mysql_fetch_array($res);
if (preg_match("/^[ab]+$/", $arr['level']))
//access permitted
else
header("Location: a.php");