3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $commit = "[CL: hejsa smukke]"; preg_match('/[:alpha:]$/iu', $commit, $matches); var_dump($matches);
Output for 5.2.0 - 7.1.7
Warning: preg_match(): Compilation failed: POSIX named classes are supported only within a class at offset 0 in /in/d7OjC on line 3 NULL
Output for 4.3.11 - 5.1.6
Warning: preg_match(): Compilation failed: POSIX named classes are supported only within a class at offset 0 in /in/d7OjC on line 3 array(0) { }
Output for 4.3.0 - 4.3.10
Warning: Compilation failed: POSIX named classes are supported only within a class at offset 0 in /in/d7OjC on line 3 array(0) { }