3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = 'ab.sd.a'; var_dump(preg_replace('/[\.\,]/g', $a));
based on 8K9lo
Output for 5.3.0 - 7.1.0
Warning: preg_replace() expects at least 3 parameters, 2 given in /in/5WEO1 on line 4 NULL
Output for 4.3.0 - 5.2.17
Warning: Wrong parameter count for preg_replace() in /in/5WEO1 on line 4 NULL