3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php ob_start(); ob_implicit_flush(0); echo 'text davor'; header ('HTTP/1.1 301 Moved Permanently'); header ('Location: /index.php?mod=bildergalerie'.$sess_id); $page = ob_get_contents(); $length = strlen($page); ob_end_clean(); echo $page; flush();
Output for 5.0.4 - 5.6.28, 7.0.0 - 7.1.0
text davor Notice: Undefined variable: sess_id in /in/VQoPk on line 7
Output for hhvm-3.12.0
Notice: Undefined variable: sess_id in /in/VQoPk on line 7 text davor
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.0 - 5.0.3
text davor Notice: Undefined variable: sess_id in /in/VQoPk on line 7