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run code in 150+ php & hhvm versions
Bugs & Features
<?php $input = array("red"=>"apple","blue"=>"sky","orange"=>"juice"); $output = iterator_to_array(new RecursiveIteratorIterator( new RecursiveArrayIterator($array)), FALSE); print_r($output); /** Array ( [0] => apple [1] => sky [2] => juice ) **/
Output for 7.0.0 - 7.1.0
Notice: Undefined variable: array in /in/VthTM on line 4 Fatal error: Uncaught InvalidArgumentException: Passed variable is not an array or object, using empty array instead in /in/VthTM:4 Stack trace: #0 /in/VthTM(4): ArrayIterator->__construct(NULL) #1 {main} thrown in /in/VthTM on line 4
Process exited with code 255.
Output for hhvm-3.12.0
Notice: Undefined variable: array in /in/VthTM on line 4 Fatal error: Uncaught exception 'InvalidArgumentException' with message 'Passed variable is not an array or object, using empty array instead' in /in/VthTM:4 Stack trace: #0 /in/VthTM(4): ArrayIterator->__construct() #1 {main}
Process exited with code 255.
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.1.0 - 5.6.28
Notice: Undefined variable: array in /in/VthTM on line 4 Fatal error: Uncaught exception 'InvalidArgumentException' with message 'Passed variable is not an array or object, using empty array instead' in /in/VthTM:4 Stack trace: #0 /in/VthTM(4): ArrayIterator->__construct(NULL) #1 {main} thrown in /in/VthTM on line 4
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function iterator_to_array() in /in/VthTM on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: iterator_to_array() in /in/VthTM on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: iterator_to_array() in /in/VthTM on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: iterator_to_array() in /in/VthTM on line 3