php 세션 로그인 과정
[start.php]
<?php
require_once(__DIR__."/cfg.php");
ini_set("display_errors", "1");
session_save_path('./sss');
session_start();
$isIn = isset($_SESSION['isIn']) ? $_SESSION['isIn'] : false;
echo $isIn."<br>";
// exit;
if($isIn === true) {
echo "<div>You already logined.</div>";
echo "<a href='./normal.php'>Click here to next page.</a>";
// header('Location: ./normal.php');
exit;
} else {
}
?>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" >
</head>
<body>
<form action="login_act.php" method="POST">
<label>ID: </label><input type="text" name="id" />
<label>password: </label><input type="text" name="pwd" />
<input type="submit" />
</form>
</body>
</html>
</html>[login_act.php]
<?php require_once(__DIR__."/cfg.php"); ini_set("display_errors", "1"); session_save_path('./sss'); session_start(); if(!empty($_POST['id']) && !empty($_POST['pwd'])){ if($_POST['id'] == $ss_id && $_POST['pwd'] == $ss_pw){ $_SESSION['isIn'] = true; $_SESSION['loginName'] = $ss_ln; $_SESSION['loginTime'] = time(); ini_set("session.cache_expire", 20); ini_set("session.gc_maxlifetime", 20); ini_set("session.gc_probability ", 100); ini_set("session.gc_divisor ", 100); header('Location: ./normal.php'); } } echo 'Can not log in.<br><br>'; echo '<a href="./start.php">Go to start page</a>'; ?>
[normal.php]
<?php ini_set("display_errors", "1"); session_save_path('./sss'); session_start(); ini_set("session.cache_expire", 20); ini_set("session.gc_maxlifetime", 20); ini_set("session.gc_probability ", 100); ini_set("session.gc_divisor ", 100); if(!isset($_SESSION['loginName'])){ header('Location: ./start.php'); } ?> <html> <body> <?php echo $_SESSION['isIn'];?><br /> Welcome. <?php echo $_SESSION['loginName'];?>!<br /> Login timestamp is <?php echo $_SESSION['loginTime'];?>!<br /> Login date is <?php echo date("Y-m-d h:i:s", $_SESSION['loginTime']);?>!<br /><br /> session_name is <?php echo session_name();?>!<br /> <a href="./logout_act.php">Logout</a> </body> </html>
[logout_act.php]
<?php ini_set("display_errors", "1"); session_save_path('./sss'); session_start(); session_destroy(); header('Location: ./start.php'); ?>
그리고 같은 폴더에 sss폴더를 만들어 준다.
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