3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = array ( 1, array (1, 2, array ( 1, 2 ) ), array (1, 2, 3), 2, array( 1, array ( 1, array (1, 2) ) ) ); function findActives($array, $path_child=null){ foreach ($array as $key => $unknown ) { $path_child[] = $key; /* if (in_array('2') { $path_child = array($key, "active"); } */ if (is_array($unknown)) { findActives($unknown, $path_child); } } return ($path_child); } findActives($array); print_r($path_child);
Output for 5.0.4 - 7.1.0
Notice: Undefined variable: path_child in /in/nvO3j on line 33
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: path_child in /in/nvO3j on line 33