3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $ar=new ArrayObject(array('sanjeev','kumar')); echo $ar->count(); $ar=array_merge($ar,array('sahsjas','sdagsdsj')); var_dump($ar);
Output for 5.0.0 - 5.6.28, 7.0.0 - 7.1.0
2 Warning: array_merge(): Argument #1 is not an array in /in/N1v3J on line 4 NULL
Output for hhvm-3.10.0 - 3.12.0
2 Warning: array_merge() expects parameter 1 to be array, object given in /in/N1v3J on line 4 NULL
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: arrayobject in /in/N1v3J on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: arrayobject in /in/N1v3J on line 2