<step50>'php_세션'

1) ex11_session.php

<?php
    session_start();
    $_SESSION['city'] = "부산";
    $_SESSION['session1'] = "hihi";
    echo $_SESSION['city'];
    echo $_SESSION['session1'];
?>

2) ex12_sessionPrint.php

<?php
    session_start();
    echo "<h2>세션값은 ".$_SESSION['city']."입니다.</h2>";
?>
<a href="ex13_session_unset.php">세션삭제</a>

ex12_sessionPrint.php

3) ex13_session_unset.php

<?php
    session_start();
    // session_unset();  //전체 삭제
    unset($_SESSION['city']);
    // unset($_SESSION('session1'));   //세션 선택 삭제
    echo $_SESSION['city'];
    echo $_SESSION['session1'];
?>