Online PHP editor | output for arGlO

@ 2015-09-08T09:39:35Z

<?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 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: 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.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40: Fatal error: Cannot use object of type RecursiveIteratorIterator as array in /in/arGlO on line 16
Process exited with code 255.

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