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<?php function someFunction(int $someVariable): bool { if ($someVariable > 10) { return true; } else if ($someVariable < -10) { return false; } return null; } echo someFunction("11"); echo someFunction("-11"); echo someFunction("0");
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
1 Fatal error: Uncaught TypeError: someFunction(): Return value must be of type bool, null returned in /in/tUOkp:9 Stack trace: #0 /in/tUOkp(14): someFunction(0) #1 {main} thrown in /in/tUOkp on line 9
Process exited with code 255.
Output for 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
1 Fatal error: Uncaught TypeError: Return value of someFunction() must be of the type bool, null returned in /in/tUOkp:9 Stack trace: #0 /in/tUOkp(14): someFunction(0) #1 {main} thrown in /in/tUOkp on line 9
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33
1 Fatal error: Uncaught TypeError: Return value of someFunction() must be of the type boolean, null returned in /in/tUOkp:9 Stack trace: #0 /in/tUOkp(14): someFunction(0) #1 {main} thrown in /in/tUOkp on line 9
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Parse error: syntax error, unexpected ':', expecting '{' in /in/tUOkp on line 3
Process exited with code 255.

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