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<?php declare(strict_types=1); function multiply(float $a, float $b): int { return $a * $b; } $six = multiply(2, 3); echo gettype($six);
Output for 8.1.0 - 8.1.31, 8.2.0 - 8.2.26, 8.3.0 - 8.3.14, 8.4.1
Fatal error: Uncaught TypeError: multiply(): Return value must be of type int, float returned in /in/qoNo4:4 Stack trace: #0 /in/qoNo4(6): multiply(2.0, 3.0) #1 {main} thrown in /in/qoNo4 on line 4
Process exited with code 255.
Output for 8.0.0 - 8.0.30
Fatal error: Uncaught TypeError: multiply(): Return value must be of type int, float returned in /in/qoNo4:4 Stack trace: #0 /in/qoNo4(6): multiply(2, 3) #1 {main} thrown in /in/qoNo4 on line 4
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 multiply() must be of the type int, float returned in /in/qoNo4:4 Stack trace: #0 /in/qoNo4(6): multiply(2, 3) #1 {main} thrown in /in/qoNo4 on line 4
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34
Fatal error: Uncaught TypeError: Return value of multiply() must be of the type integer, float returned in /in/qoNo4:4 Stack trace: #0 /in/qoNo4(6): multiply(2, 3) #1 {main} thrown in /in/qoNo4 on line 4
Process exited with code 255.
Output for 5.6.0 - 5.6.40
Warning: Unsupported declare 'strict_types' in /in/qoNo4 on line 2 Parse error: syntax error, unexpected ':', expecting '{' in /in/qoNo4 on line 3
Process exited with code 255.

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