可能重复:
php中的检查登录条件问题
我有这个快速的问题,请
我有这段代码不能正常工作,一些关于语法的东西..你能帮我吗?
我知道这听起来可能很愚蠢,但我正在努力理解!
谢谢!
<?php
session_start();
require_once('db.php');
include('functions.php');
if (checkLogin('1 2')) {
echo "hello ".$_SESSION['user_id']." You are now logged in.";
} else if (checkLogin('3')) {
echo "hey tst";
} else {}
?>
function checkLogin($levels)
{
if(!$_SESSION['logged_in'])
{
$access = FALSE;
}
else {
$kt = split(' ', $levels);
$query = mysql_query('SELECT Level_access FROM users WHERE ID = "'.mysql_real_escape_string($_SESSION['user_id']).'"');
$row = mysql_fetch_assoc($query);
$access = FALSE;
while(list($key,$val)=each($kt))
{
if($val==$row['Level_access'])
{//if the user level matches one of the allowed levels
$access = TRUE;
}
}
}
if($access==FALSE)
{
header("Location: login.php");
}
else {
//do nothing: continue
}
}
CREATE TABLE `users` (
`ID` int(11) NOT NULL auto_increment,
`Username` varchar(255) NOT NULL,
`Password` varchar(255) NOT NULL,
`Temp_pass` varchar(55) default NULL,
`Temp_pass_active` tinyint(1) NOT NULL default '0',
`Email` varchar(255) NOT NULL,
`Active` int(11) NOT NULL default '0',
`Level_access` int(11) NOT NULL default '2',
`Random_key` varchar(32) default NULL,
PRIMARY KEY (`ID`),
UNIQUE KEY `Username` (`Username`),
UNIQUE KEY `Email` (`Email`)
) ENGINE=MyISAM AUTO_INCREMENT=2 DEFAULT CHARSET=latin1 AUTO_INCREMENT=2 ;