3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = [0, 1, 2]; $ar = new ArrayObject($ar); var_dump(array_merge((array)$ar, []));
based on B0KPW
Output for 7.0.0 - 7.1.0
Notice: Undefined variable: ar in /in/Hcag9 on line 3 Fatal error: Uncaught InvalidArgumentException: Passed variable is not an array or object, using empty array instead in /in/Hcag9:3 Stack trace: #0 /in/Hcag9(3): ArrayObject->__construct(NULL) #1 {main} thrown in /in/Hcag9 on line 3
Process exited with code 255.
Output for hhvm-3.10.0 - 3.12.0
Notice: Undefined variable: ar in /in/Hcag9 on line 3 array(0) { }
Output for 5.4.0 - 5.6.28
Notice: Undefined variable: ar in /in/Hcag9 on line 3 Fatal error: Uncaught exception 'InvalidArgumentException' with message 'Passed variable is not an array or object, using empty array instead' in /in/Hcag9:3 Stack trace: #0 /in/Hcag9(3): ArrayObject->__construct(NULL) #1 {main} thrown in /in/Hcag9 on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/Hcag9 on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/Hcag9 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Hcag9 on line 2
Process exited with code 255.