3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $str = 'a,b\,c,d'; var_dump(preg_split('/[^\\]\\,(*SKIP)(*F)|,/', $str));
based on m7SZL
Output for 4.3.11 - 7.1.0
Warning: preg_split(): Compilation failed: missing terminating ] for character class at offset 19 in /in/44tpt on line 3 bool(false)
Output for 4.3.0 - 4.3.10
Warning: Compilation failed: missing terminating ] for character class at offset 19 in /in/44tpt on line 3 bool(false)