3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $row = 'one //There are spaces here two '; $row = explode("\n",$row); $row = $row[0]; preg_match('/( +)$/',$row,$matches); var_dump($matches);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(0) { }