3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array(1, 2, 3, 4, 5 ); $step = 2; function myfunc($value, $key) { global $step; if ($key == $step) echo '$ '; echo "$value "; } array_walk_recursive($a, 'myfunc');
Output for 5.0.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
1 2 $ 3 4 5
Output for hhvm-3.10.0

Process exited with code 137.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_walk_recursive() in /in/m5iRB on line 11
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: array_walk_recursive() in /in/m5iRB on line 11
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_walk_recursive() in /in/m5iRB on line 11