3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $x = new ArrayObject(ArrayObject::STD_PROP_LIST); $x->a = 'abc'; echo ($s = $x->serialize()), "\n"; $x->unserialize($s); echo $x->serialize();
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught InvalidArgumentException: Passed variable is not an array or object, using empty array instead in /in/vaXBv:3 Stack trace: #0 /in/vaXBv(3): ArrayObject->__construct(1) #1 {main} thrown in /in/vaXBv on line 3
Process exited with code 255.
Output for hhvm-3.12.0
Fatal error: Uncaught exception 'InvalidArgumentException' with message 'Passed variable is not an array or object, using empty array instead' in /in/vaXBv:3 Stack trace: #0 /in/vaXBv(3): ArrayObject->__construct() #1 {main}
Process exited with code 255.
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.1.0 - 5.6.21
Fatal error: Uncaught exception 'InvalidArgumentException' with message 'Passed variable is not an array or object, using empty array instead' in /in/vaXBv:3 Stack trace: #0 /in/vaXBv(3): ArrayObject->__construct(1) #1 {main} thrown in /in/vaXBv on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Fatal error: Undefined class constant 'STD_PROP_LIST' in /in/vaXBv on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected ')', expecting '(' in /in/vaXBv on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected ')', expecting '(' in /in/vaXBv on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'('' in /in/vaXBv on line 3
Process exited with code 255.