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<?php declare(strict_types=1); class Foo { public function bar() : int { return '1'; } } print (new Foo)->bar();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.29, 8.2.0 - 8.2.23, 8.3.0 - 8.3.11
Fatal error: Uncaught TypeError: Foo::bar(): Return value must be of type int, string returned in /in/Zeb79:8 Stack trace: #0 /in/Zeb79(13): Foo->bar() #1 {main} thrown in /in/Zeb79 on line 8
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 Foo::bar() must be of the type int, string returned in /in/Zeb79:8 Stack trace: #0 /in/Zeb79(13): Foo->bar() #1 {main} thrown in /in/Zeb79 on line 8
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 Foo::bar() must be of the type integer, string returned in /in/Zeb79:8 Stack trace: #0 /in/Zeb79(13): Foo->bar() #1 {main} thrown in /in/Zeb79 on line 8
Process exited with code 255.
Output for 5.6.0 - 5.6.29
Warning: Unsupported declare 'strict_types' in /in/Zeb79 on line 3 Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/Zeb79 on line 7
Process exited with code 255.

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