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run code in 150+ php & hhvm versions
Bugs & Features
<?php print_r(array_keys(iterator_to_array(array())));
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught TypeError: Argument 1 passed to iterator_to_array() must implement interface Traversable, array given in /in/OZ1fd:3 Stack trace: #0 /in/OZ1fd(3): iterator_to_array(Array) #1 {main} thrown in /in/OZ1fd on line 3
Process exited with code 255.
Output for hhvm-3.12.0
Fatal error: Uncaught Error: Argument must implement interface Traversable in /in/OZ1fd:3 Stack trace: #0 {main}
Process exited with code 255.
Output for hhvm-3.10.0
Catchable fatal error: Argument must implement interface Traversable in /in/OZ1fd on line 3
Process exited with code 255.
Output for 5.2.0 - 5.6.28
Catchable fatal error: Argument 1 passed to iterator_to_array() must implement interface Traversable, array given in /in/OZ1fd on line 3
Process exited with code 255.
Output for 5.1.0 - 5.1.6
Warning: iterator_to_array() expects parameter 1 to be Traversable, array given in /in/OZ1fd on line 3 Warning: array_keys(): The first argument should be an array in /in/OZ1fd on line 3
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function iterator_to_array() in /in/OZ1fd 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/OZ1fd 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/OZ1fd 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/OZ1fd on line 3