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run code in 150+ php & hhvm versions
Bugs & Features
<?php $x = new ArrayObject(array(),ArrayObject::STD_PROP_LIST); $x->a = 'abc'; echo ($s = $x->serialize()), "\n"; $x->unserialize($s); echo $x->serialize();
Output for 5.3.0 - 7.1.0
x:i:1;a:0:{};m:a:1:{s:1:"a";s:3:"abc";} x:i:1;a:0:{};m:a:1:{s:1:"a";s:3:"abc";}
Output for 5.1.0 - 5.2.17
Fatal error: Call to undefined method ArrayObject::serialize() in /in/rt1Z0 on line 6
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Fatal error: Undefined class constant 'STD_PROP_LIST' in /in/rt1Z0 on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected ')', expecting '(' in /in/rt1Z0 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/rt1Z0 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'('' in /in/rt1Z0 on line 3
Process exited with code 255.