3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php preg_match( '/^ndg_keywords.partial\(\'[a-zA-Z_\ ]+\'\)/', 'ndg_keywords.partial(\'a_Imelda Staunton \')', $matches); echo $matches[1]; // 1234
Output for 5.5.0 - 5.6.21, 7.0.0 - 7.1.0
Notice: Undefined offset: 1 in /in/LbkWm on line 3
Output for hhvm-3.10.0 - 3.12.0
Notice: Undefined index: 1 in /in/LbkWm on line 3
Output for 4.3.0 - 5.0.5, 5.1.1 - 5.4.45
Output for 5.1.0
<br /> <b>Fatal error</b>: fatal flex scanner internal error--end of buffer missed in <b>/in/LbkWm</b> on line <b>3</b><br />
Process exited with code 255.