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<?php $array = array( array( array( array( 'leaf-0-0-0-0', 'leaf-0-0-0-1' ), 'leaf-0-0-0' ), array( array( 'leaf-0-1-0-0', 'leaf-0-1-0-1' ), 'leaf-0-1-0' ), 'leaf-0-0' ) ); $iterator = new RecursiveIteratorIterator( new RecursiveArrayIterator($array), LEAVES_ONLY ); foreach ($iterator as $key => $leaf) { echo "$key => $leaf", PHP_EOL; }
Output for 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: Undefined constant "LEAVES_ONLY" in /in/AkiSq:25 Stack trace: #0 {main} thrown in /in/AkiSq on line 25
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant LEAVES_ONLY - assumed 'LEAVES_ONLY' (this will throw an Error in a future version of PHP) in /in/AkiSq on line 25 Fatal error: Uncaught InvalidArgumentException: An instance of RecursiveIterator or IteratorAggregate creating it is required in /in/AkiSq:25 Stack trace: #0 /in/AkiSq(25): RecursiveIteratorIterator->__construct(Object(RecursiveArrayIterator), 'LEAVES_ONLY') #1 {main} thrown in /in/AkiSq on line 25
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33
Notice: Use of undefined constant LEAVES_ONLY - assumed 'LEAVES_ONLY' in /in/AkiSq on line 25 Fatal error: Uncaught InvalidArgumentException: An instance of RecursiveIterator or IteratorAggregate creating it is required in /in/AkiSq:25 Stack trace: #0 /in/AkiSq(25): RecursiveIteratorIterator->__construct(Object(RecursiveArrayIterator), 'LEAVES_ONLY') #1 {main} thrown in /in/AkiSq on line 25
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
Notice: Use of undefined constant LEAVES_ONLY - assumed 'LEAVES_ONLY' in /in/AkiSq on line 26 Fatal error: Uncaught exception 'InvalidArgumentException' with message 'An instance of RecursiveIterator or IteratorAggregate creating it is required' in /in/AkiSq:26 Stack trace: #0 /in/AkiSq(26): RecursiveIteratorIterator->__construct(Object(RecursiveArrayIterator), 'LEAVES_ONLY') #1 {main} thrown in /in/AkiSq on line 26
Process exited with code 255.
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