3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); function foo(string $foo, array $bar) { var_dump($foo, $bar); } foo(null, [123]);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: foo(): Argument #1 ($foo) must be of type string, null given, called in /in/gqSgE on line 8 and defined in /in/gqSgE:3 Stack trace: #0 /in/gqSgE(8): foo(NULL, Array) #1 {main} thrown in /in/gqSgE on line 3
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught TypeError: Argument 1 passed to foo() must be of the type string, null given, called in /in/gqSgE on line 8 and defined in /in/gqSgE:3 Stack trace: #0 /in/gqSgE(8): foo(NULL, Array) #1 {main} thrown in /in/gqSgE on line 3
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Warning: Unsupported declare 'strict_types' in /in/gqSgE on line 1 Catchable fatal error: Argument 1 passed to foo() must be an instance of string, null given, called in /in/gqSgE on line 8 and defined in /in/gqSgE on line 3
Process exited with code 255.
preferences:
260.89 ms | 402 KiB | 329 Q