3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $array = array(1,2,3,4,5,6,7,8,9); function soma_1($chave, $valor){ $array[$chave][$valor] = $valor + 1; } function echo_array($chave, $valor){ echo "$chave \n"; } array_walk($array,'soma_1'); array_walk($array,'echo_array');
based on IqFrm
Output for 4.3.0 - 7.1.7
1 2 3 4 5 6 7 8 9