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run code in 200+ php & hhvm versions
Bugs & Features
<?php $session_id = 12345; session_id($session_id); session_start();
Output for 5.2.3 - 7.1.10
Output for 4.3.2 - 5.2.2
Warning: session_start(): Cannot send session cookie - headers already sent in /in/6I0VN on line 4 Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at /in/6I0VN:4) in /in/6I0VN on line 4
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/6I0VN on line 4 Warning: session_start() [http://www.php.net/function.session-start]: Cannot send session cache limiter - headers already sent (output started at /in/6I0VN:4) in /in/6I0VN on line 4