3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $nubmer = '+380-507855338'; echo preg_replace("/\D/", "", $number);
Output for 5.0.4 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Notice: Undefined variable: number in /in/D6fXR on line 4
Output for hhvm-3.10.0
Notice: Undefined variable: number in /in/D6fXR on line 21
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: number in /in/D6fXR on line 4