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<?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[] = $array[$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 git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $path_child in /in/9qPhC on line 33

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