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<?php class Mom {} class Friend extends Mom { public function test(): array { return ['maria','joão']; } } $friend = new Friend(); $var_dump($friend->test());
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: Undefined variable $var_dump in /in/S79dR on line 11 Fatal error: Uncaught Error: Value of type null is not callable in /in/S79dR:11 Stack trace: #0 {main} thrown in /in/S79dR on line 11
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, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: var_dump in /in/S79dR on line 11 Fatal error: Uncaught Error: Function name must be a string in /in/S79dR:11 Stack trace: #0 {main} thrown in /in/S79dR on line 11
Process exited with code 255.
Output for 7.3.32 - 7.3.33
Fatal error: Uncaught Error: Function name must be a string in /in/S79dR:11 Stack trace: #0 {main} thrown in /in/S79dR on line 11
Process exited with code 255.
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/S79dR on line 5
Process exited with code 255.

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