3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php session_start(); $_SESSION['flag'] = 1; ?> <html> <head> </head> <body> <!-- page content here --> <?php if ($_SESSION['flag'] === 0): ?> <script src="loggedIn.js"></script> <?php else: ?> <script src="loggedOut.js"></script> <?php endif; ?> </body> </html>
based on fXs4g
Output for 5.2.3 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
<html> <head> </head> <body> <!-- page content here --> <script src="loggedOut.js"></script> </body> </html>
Output for 4.3.2 - 5.2.2
Warning: session_start(): Cannot send session cookie - headers already sent in /in/X0TLg on line 2 Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at /in/X0TLg:2) in /in/X0TLg on line 2 <html> <head> </head> <body> <!-- page content here --> <script src="loggedOut.js"></script> </body> </html>
Output for 4.3.0 - 4.3.1
Warning: session_start() [http://www.php.net/function.session-start]: Cannot send session cookie - headers already sent in /in/X0TLg on line 2 Warning: session_start() [http://www.php.net/function.session-start]: Cannot send session cache limiter - headers already sent (output started at /in/X0TLg:2) in /in/X0TLg on line 2 <html> <head> </head> <body> <!-- page content here --> <script src="loggedOut.js"></script> </body> </html>