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<?php $a = new class { public function func():int{return "asdasd";} }; $res = $a->func(); echo $res;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Fatal error: Uncaught TypeError: class@anonymous::func(): Return value must be of type int, string returned in /in/CoS8E:4 Stack trace: #0 /in/CoS8E(7): class@anonymous->func() #1 {main} thrown in /in/CoS8E on line 4
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught TypeError: Return value of class@anonymous::func() must be of the type int, string returned in /in/CoS8E:4 Stack trace: #0 /in/CoS8E(7): class@anonymous->func() #1 {main} thrown in /in/CoS8E on line 4
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
Fatal error: Uncaught TypeError: Return value of class@anonymous::func() must be of the type integer, string returned in /in/CoS8E:4 Stack trace: #0 /in/CoS8E(7): class@anonymous->func() #1 {main} thrown in /in/CoS8E on line 4
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Parse error: syntax error, unexpected 'class' (T_CLASS) in /in/CoS8E on line 3
Process exited with code 255.

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