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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[] = $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 git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: [] operator not supported for strings in /in/n4vp0:20 Stack trace: #0 /in/n4vp0(30): findActives(Array) #1 {main} thrown in /in/n4vp0 on line 20
Process exited with code 255.

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