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run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); function foo(float $f) : void {} foo(42);
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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Output for 7.0.0 - 7.0.33
Fatal error: Uncaught TypeError: Return value of foo() must be an instance of void, none returned in /in/0ak7S:3 Stack trace: #0 /in/0ak7S(4): foo(42) #1 {main} thrown in /in/0ak7S on line 3
Process exited with code 255.
Output for 5.6.0 - 5.6.40
Warning: Unsupported declare 'strict_types' in /in/0ak7S on line 1 Parse error: syntax error, unexpected ':', expecting '{' in /in/0ak7S on line 3
Process exited with code 255.

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