3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $expr = '#^v?([0-9]+)\.([0-9]+)(?:\.([0-9]+))?$#'; $val = 'v12.0'; preg_match($expr, $val, $match); list(, $major, $minor, $release) = $match; var_dump($major, $minor, $release);
based on TUs5K
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
Notice: Undefined offset: 3 in /in/5WeMk on line 6 string(2) "12" string(1) "0" NULL
Output for hhvm-3.12.0
Notice: Undefined index: 3 in /in/5WeMk on line 6 string(2) "12" string(1) "0" NULL
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.0 - 5.2.17
Notice: Undefined offset: 3 in /in/5WeMk on line 6 string(2) "12" string(1) "0" NULL