3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $mac = '00:11:22:33:44:55'; $input = '1223'; $regex = '('. implode(':*', str_split($input)) .')'; $mac = preg_replace('/'. $regex .'/', '<b>$1</b>', $mac); var_dump($mac);
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(24) "00:1<b>1:22:3</b>3:44:55"
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: str_split() in /in/mD0Bu on line 4
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: str_split() in /in/mD0Bu on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: str_split() in /in/mD0Bu on line 4