3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php if(0){ } else if ( ($_SESSION['id'] && !$signups[$_SESSION['uid']]['seatname'] && $user_is_signed_up == 1 && $open_booking == 1) || ($signups[$_SESSION['id']]['groupid'] == 0) ){ echo 'blah'; }
based on 3KOla
Output for 5.6.0 - 5.6.30, 7.0.0 - 7.2.0
Notice: Undefined variable: _SESSION in /in/CTbp9 on line 4 Notice: Undefined variable: _SESSION in /in/CTbp9 on line 8 Notice: Undefined variable: signups in /in/CTbp9 on line 8 blah
Output for hhvm-3.15.4
Notice: Undefined index: id in /in/CTbp9 on line 4 Notice: Undefined index: id in /in/CTbp9 on line 8 Notice: Undefined variable: signups in /in/CTbp9 on line 8 blah