3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php preg_match_all("|<[^>]+>(.*)</[^>]+>|U", "[b]example: [/b][div align=left]this is a test[/div]", $out, PREG_PATTERN_ORDER); echo $out[0][0].", ".$out[0][1]."\n"; echo $out[1][0].", ".$out[1][1]."\n"; ?>
Output for 5.3.0 - 5.6.30, 7.0.0 - 7.2.0
Notice: Undefined offset: 0 in /in/178mn on line 5 Notice: Undefined offset: 1 in /in/178mn on line 5 , Notice: Undefined offset: 0 in /in/178mn on line 6 Notice: Undefined offset: 1 in /in/178mn on line 6 ,
Output for hhvm-3.10.1 - 3.11.1, hhvm-3.13.2 - 3.17.3
Notice: Undefined index: 0 in /in/178mn on line 5 Notice: Undefined index: 1 in /in/178mn on line 5 , Notice: Undefined index: 0 in /in/178mn on line 6 Notice: Undefined index: 1 in /in/178mn on line 6 ,
Output for hhvm-3.12.14

Process exited with code 137.
Output for 4.3.0 - 5.2.17
Notice: Undefined offset: 0 in /in/178mn on line 5 Notice: Undefined offset: 1 in /in/178mn on line 5 , Notice: Undefined offset: 0 in /in/178mn on line 6 Notice: Undefined offset: 1 in /in/178mn on line 6 ,