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run code in 150+ php & hhvm versions
Bugs & Features
<?php interface MyInterface { function bar(stdClass $arg); } class Foo implements MyInterface { function bar(stdClass $arg) { var_dump($arg); } } $foo = new Foo; $foo->bar(new DateTime());
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught TypeError: Argument 1 passed to Foo::bar() must be an instance of stdClass, instance of DateTime given, called in /in/2ltE6 on line 14 and defined in /in/2ltE6:8 Stack trace: #0 /in/2ltE6(14): Foo->bar(Object(DateTime)) #1 {main} thrown in /in/2ltE6 on line 8
Process exited with code 255.
Output for hhvm-3.12.0
Catchable fatal error: Argument 1 passed to Foo::bar() must be an instance of stdClass, DateTime given in /in/2ltE6 on line 10
Process exited with code 255.
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.2.0 - 5.6.28
Catchable fatal error: Argument 1 passed to Foo::bar() must be an instance of stdClass, instance of DateTime given, called in /in/2ltE6 on line 14 and defined in /in/2ltE6 on line 8
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/2ltE6 on line 14
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/2ltE6 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 T_STRING in /in/2ltE6 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/2ltE6 on line 3
Process exited with code 255.