3v4l.org

run code in 200+ 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 - 7.1.10
2 Warning: array_merge(): Argument #1 is not an array 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