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run code in 150+ php & hhvm versions
Bugs & Features
<?php $foo = new ArrayObject('a', 'b', 'c'); $bar = new ArrayObject($foo); var_dump($bar->getArrayCopy());
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught TypeError: ArrayObject::__construct() expects parameter 2 to be integer, string given in /in/0APCF:3 Stack trace: #0 /in/0APCF(3): ArrayObject->__construct('a', 'b', 'c') #1 {main} thrown in /in/0APCF on line 3
Process exited with code 255.
Output for 5.1.0 - 5.6.28
Fatal error: Uncaught exception 'InvalidArgumentException' with message 'ArrayObject::__construct() expects parameter 2 to be long, string given' in /in/0APCF:3 Stack trace: #0 /in/0APCF(3): ArrayObject->__construct('a', 'b', 'c') #1 {main} thrown in /in/0APCF on line 3
Process exited with code 255.
Output for 5.0.4 - 5.0.5

Process exited with code 139.
Output for 5.0.0 - 5.0.3
Warning: Wrong parameter count for __construct() in /in/0APCF on line 3 array(0) { }
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: arrayobject in /in/0APCF on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: arrayobject in /in/0APCF on line 3