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    session_abort

    (PHP 5 >= 5.6.0, PHP 7, PHP 8)

    session_abort — session 配列の変更を破棄してセッションを終了します

    説明

    session_abort(): bool

    session_abort() は、データを保存せずにセッションを終了します。 したがって、セッション・データの元の値が保持されます。

    パラメータ

    この関数にはパラメータはありません。

    戻り値

    成功した場合に true を、失敗した場合に false を返します。

    変更履歴

    バージョン 説明
    7.2.0 この関数の戻り値の型は bool になりました。 以前は void でした。

    参考

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    User Contributed Notes 4 notes

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    18
    parsa dot mhn at outlook dot com
    9 years ago
    To better understand this function you should execute this code first :

    <?php
            // First of all choose your path , For e.g. C:/session
            session_save_path('Your Path here !');
       
            session_start();
       
            // Define a Session Variable
            $_SESSION['Key'] = 'value' ;
       
            Var_dump(session_status() == PHP_SESSION_ACTIVE);
       
            // Output : bool(True) , it means you have an open session !
    ?>

    Then you should execute this code :

    <?php
            // Choose the path that you used it in first part 
            session_save_path('Your path here');
       
            session_start();
       
            // If you want to close session and keep your original data in your path , you should use session_abort()
            session_abort();
       
            var_dump(session_status()== PHP_SESSION_ACTIVE);
       
            // Output : bool(False) , it means your session closed .
    ?>

    So if you have an open session , session_abort() will simply close it without effecting the external session data , so you can reload your data again from your path that you chose .
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    1
    mhd dot nickz13 at gmail dot com
    6 years ago
    session_abort()  closes the current session and discards the changes applied to Session array in the current page  , it doesn't delete the session file 
    let me explain with one example.
    page 1.php :
    <?php
    session_start    ();
    $_SESSION['city']="Sydney";
    echo     "<a href=\"2.php\"> page2</a>";
    ?>
    when you open this page , a session file is created on the server (to find out where session files are saved run "echo session_save_path()" )  with the name of session_id  and the content of  the variable :

      sess_o22iabs75j93uhc7i4jf1lecjk  (file name)
      city|s:6:"Sydney";               (content)

    if we go to 2.php containing this code :

    <?php
    session_start    ();
    $_SESSION['country']="Australia";
    echo     session_encode();
    session_abort();
    session_start();
    echo     "<br>".session_encode();
    ?>

    when session_abort is executed , the session is closed and the change which here is the 'country' element of Session array is discarded . 

    Output : 
    city|s:6:"Sydney";country|s:9:"Australia";
    city|s:6:"Sydney";
    up
    -12
    zh dot hailei at gmail dot com
    7 years ago
    demo1
    <?php
    session_start    ();
    if(!isset(    $_SESSION['count'])){
            $_SESSION['count'] = 1;
    }else{
            $_SESSION['count']++;
    }
    echo     $_SESSION['count'];
    //above, $_SESSION['count'] will keep increase;
    ?>

    demo2
    <?php
    session_start    ();
    if(!isset(    $_SESSION['count'])){
            $_SESSION['count'] = 1;
    }else{
            $_SESSION['count']++;
    }
    session_abort();
    echo     $_SESSION['count'];
    //$_SESSION['count'] will always be 1;
    ?>
    up
    -13
    Gulshan Kumar
    5 years ago
    <?php
    session_start    ();
    if(!isset(    $_SESSION['count'])){
            $_SESSION['count'] = 1;
    }else{
            $_SESSION['count']++;
            session_abort();
    }
    echo     $_SESSION['count'];
    //$_SESSION['count'] will always be 1;
    //This will always echo 1 not the above code.
    ?>
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