php login / session

php login and pass to session

checkpassword.php

<?php
session_start();
if (empty($_SESSION[pagecheck]))
{
if (empty($_POST[logname]) or empty($_POST[logpass])) {
echo 'You did not input the login name or password.';
exit;
}elseif ($_POST[logname]=='admin' and $_POST[logpass]=='adminpass') {
$_SESSION [pageecheck]==time();
} else {
echo 'The login name or password is incorrect <p> <a href="login.php">Tray Again</a></p>';
exit;
}
}
?>

1. _SESSION 是用大草
2. Program while on filename.php 第一行
3. Anything relation with session shoud write session_start()
4. *Refer : php.ini output buffering 4096.
5. <? php ob_start(); ?> i.e. add before session for add the buffer