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<?php function returns_null(): void { return null; // Fatal error: A void function must not return a value }
Output for 7.1.0 - 7.1.33, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: A void function must not return a value (did you mean "return;" instead of "return null;"?) in /in/b2N3Y on line 4
Process exited with code 255.
Output for 7.0.0 - 7.0.20
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Parse error: syntax error, unexpected ':', expecting '{' in /in/b2N3Y on line 3
Process exited with code 255.

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