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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, $path_child); } } } findActives($array); print_r($path_child);
Output for 5.0.4 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Undefined variable: path_child in /in/KJPhI on line 32
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: path_child in /in/KJPhI on line 32