session_save_path.php AccessSESSION.php

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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>session_save_path.php</title>
</head>
<body>
<?php
$sessionpath = session_save_path();
if (strpos ($sessionpath, ";") !== FALSE)
{
echo $sessionpath . ";";
$sessionpath = substr ($sessionpath, strpos ($sessionpath, ";")+1);
}
//获取当前session的保存路径
echo $sessionpath;

// $session_path = 'temp_session/';
//session_save_path($session_path); //设置session保存路径
//session_start();
//$_SESSION['a'] = '123';
//[/php]
//设置好后我无法访问到session['a']的值，请问是为什么呢？

session_start();
$session_id = session_id();
$_SESSION['a'] = '123';

echo $_SESSION['a'] .'<br>'.$session_id . '<br>';
//session_destroy( $session_id );
?>
<hr>
<a href="AccessSESSION.php">AccessSESSION.php</a>
</body>
</html>

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>AccessSESSION.php</title>
</head>
<body>
    <?php
session_start();
$session_id = session_id();
    echo $_SESSION['a'] .'<br>'.$session_id . '<br>';

    ?>
</body>
</html>

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