3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $mass = str_split('0123'); $length = 6; foreach ($mass as $el) { $srt = null; for ($i = 1; $i <= $length; $i++) { $str += $el; if($i = $length) { $str = null; } print_r($str); } }
based on bkec8
Output for 5.0.4 - 7.1.0, 7.1.6 - 7.3.0rc4
Notice: Undefined variable: str in /in/1Whgp on line 9
Output for 7.1.5

Process exited with code 137.
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: str in /in/1Whgp on line 9
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: str_split() in /in/1Whgp on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: str_split() in /in/1Whgp on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: str_split() in /in/1Whgp on line 3