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<?php $array = array( array("title" => 1, "children" => array( array( "selected" => true, "key" => 12345, "children" => array() ) ) ) ); $selectedValues = array(); $iterator = new \RecursiveIteratorIterator(new \RecursiveArrayIterator($array)); foreach ($iterator as $key => $value) { if ($key == "selected" && $value) { $selectedValues[] = $iterator["key"]; } } var_dump($selectedValues);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Cannot use object of type RecursiveIteratorIterator as array in /in/arGlO:16 Stack trace: #0 {main} thrown in /in/arGlO on line 16
Process exited with code 255.

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