3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = 'Ukraine - Russia or Iran - Argentina'; preg_match('/.+-..+(or).+-./', $a, $m); var_dump($m);
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
array(2) { [0]=> string(27) "Ukraine - Russia or Iran - " [1]=> string(2) "or" }
Output for hhvm-3.10.0

Process exited with code 153.