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run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); function multiply(int $x, int $y) { return $x * $y; } echo multiply("3", 4);
Output for 8.0.0 - 8.0.12, 8.1rc1 - rc3
Fatal error: Uncaught TypeError: multiply(): Argument #1 ($x) must be of type int, string given, called in /in/SJvqd on line 5 and defined in /in/SJvqd:3 Stack trace: #0 /in/SJvqd(5): multiply('3', 4) #1 {main} thrown in /in/SJvqd on line 3
Process exited with code 255.
Output for 7.3.0 - 7.3.31, 7.4.0 - 7.4.25
Fatal error: Uncaught TypeError: Argument 1 passed to multiply() must be of the type int, string given, called in /in/SJvqd on line 5 and defined in /in/SJvqd:3 Stack trace: #0 /in/SJvqd(5): multiply('3', 4) #1 {main} thrown in /in/SJvqd on line 3
Process exited with code 255.

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