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run code in 150+ php & hhvm versions
Bugs & Features
<?php class foo { } $class = new ReflectionClass('foo'); $foo = $class->newInstance('noparams'); var_dump($foo);
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught ReflectionException: Class foo does not have a constructor, so you cannot pass any constructor arguments in /in/uMn0q:7 Stack trace: #0 /in/uMn0q(7): ReflectionClass->newInstance('noparams') #1 {main} thrown in /in/uMn0q on line 7
Process exited with code 255.
Output for hhvm-3.12.0
Fatal error: Uncaught exception 'ReflectionException' with message 'Class foo lacks a constructor, so you cannot pass any constructor arguments' in /in/uMn0q:7 Stack trace: #0 /in/uMn0q(7): ReflectionClass->newInstance() #1 {main}
Process exited with code 255.
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.1.3 - 5.6.28
Fatal error: Uncaught exception 'ReflectionException' with message 'Class foo does not have a constructor, so you cannot pass any constructor arguments' in /in/uMn0q:7 Stack trace: #0 /in/uMn0q(7): ReflectionClass->newInstance('noparams') #1 {main} thrown in /in/uMn0q on line 7
Process exited with code 255.
Output for 5.0.0 - 5.1.2
object(foo)#2 (0) { }
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: reflectionclass in /in/uMn0q on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: reflectionclass in /in/uMn0q on line 6