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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") { $depth = $iterator->getDepth(); $subIterator = $iterator->getSubIterator($depth); var_dump($subIterator->getChildren()); // echo $value . PHP_EOL; } }
Output for 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: ArrayIterator::__construct(): Argument #1 ($array) must be of type array, true given in /in/dBg7S:19 Stack trace: #0 [internal function]: ArrayIterator->__construct(true, 0) #1 /in/dBg7S(19): RecursiveArrayIterator->getChildren() #2 {main} thrown in /in/dBg7S on line 19
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Fatal error: Uncaught TypeError: ArrayIterator::__construct(): Argument #1 ($array) must be of type array, bool given in /in/dBg7S:19 Stack trace: #0 [internal function]: ArrayIterator->__construct(true, 0) #1 /in/dBg7S(19): RecursiveArrayIterator->getChildren() #2 {main} thrown in /in/dBg7S on line 19
Process exited with code 255.
Output for 7.0.18 - 7.0.33, 7.1.4 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught InvalidArgumentException: Passed variable is not an array or object in /in/dBg7S:19 Stack trace: #0 [internal function]: ArrayIterator->__construct(true, 0) #1 /in/dBg7S(19): RecursiveArrayIterator->getChildren() #2 {main} thrown in /in/dBg7S on line 19
Process exited with code 255.
Output for 7.0.0 - 7.0.17, 7.1.0 - 7.1.3
Fatal error: Uncaught InvalidArgumentException: Passed variable is not an array or object, using empty array instead in /in/dBg7S:19 Stack trace: #0 [internal function]: ArrayIterator->__construct(true, 0) #1 /in/dBg7S(19): RecursiveArrayIterator->getChildren() #2 {main} thrown in /in/dBg7S on line 19
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: Uncaught exception 'InvalidArgumentException' with message 'Passed variable is not an array or object, using empty array instead' in /in/dBg7S:19 Stack trace: #0 [internal function]: ArrayIterator->__construct(true, 67108864) #1 /in/dBg7S(19): RecursiveArrayIterator->getChildren() #2 {main} thrown in /in/dBg7S on line 19
Process exited with code 255.
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