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<?php class test {} function test(): object { return new test(); } test();
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33
Fatal error: Uncaught TypeError: Return value of test() must be an instance of object, instance of test returned in /in/eNUHq:5 Stack trace: #0 /in/eNUHq(8): test() #1 {main} thrown in /in/eNUHq on line 5
Process exited with code 255.
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.21
Parse error: syntax error, unexpected ':', expecting '{' in /in/eNUHq on line 4
Process exited with code 255.

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