3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=0); function foo(string $value) { echo $value, PHP_EOL; } foo('Hello, world'); foo(12345);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.16, 8.3.0 - 8.3.3
Hello, world 12345
Output for 5.6.0 - 5.6.27
Warning: Unsupported declare 'strict_types' in /in/e4g9t on line 3 Catchable fatal error: Argument 1 passed to foo() must be an instance of string, string given, called in /in/e4g9t on line 10 and defined in /in/e4g9t on line 5
Process exited with code 255.

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