3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $string = 'April 15, 2003'; $pattern = '/(\w+) (\d+), (\d+)/i'; $replacement = '${1}1,$3'; echo preg_replace($pattern, $replacement, $string);
Output for 4.3.0 - 5.6.30, hhvm-3.10.1 - 3.22.0, 7.0.0 - 7.2.1
April1,2003