3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php preg_match_all( '/\X/u' , "\xE1\x8D\x9F" , $matches , PREG_SET_ORDER ); print_r($matches); exit(0);
Output for 5.3.24 - 5.3.29, 5.4.14 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => Array ( [0] => ፟ ) )
Output for 5.2.14 - 5.3.23, 5.4.0 - 5.4.13
Array ( )