Read the session data from session storage file

Question

Facing problem with PHP unserialize() function as titled it is throwing error.

unserialize() [function.unserialize]: Error at offset 0 of 1781 b         


        

Answer 1

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function read($filename)
{
    session_save_path("/tmp/tst");
    session_start();
    echo    $sCurrentFile = "/tmp/tst/sess_".session_id();
    $sFileToRead = $filename;
    if( !file_exists($sFileToRead) || !$sessionData=(string)@file_get_contents($sFileToRead) )
    {
        echo "file does not exist";
    }

    $fh = fopen($sCurrentFile, 'w') or die("can't open file");
    fwrite($fh, $sessionData);
    fclose($fh);
    $_SESSION["mytest"] = 444; 
    print_r($_SESSION);
}