3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Test; class A { public function b(callable $b) { $b(); } public function c(int $c) { } public function d() { echo 'Hello, World' . PHP_EOL; } } $foo = new A(); echo is_callable(array($foo, 'd')) . PHP_EOL; $foo->b(array($foo, 'd')); $foo->c(1); $foo->c('a');
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
1 Hello, World Fatal error: Uncaught TypeError: Test\A::c(): Argument #1 ($c) must be of type int, string given, called in /in/FFVCI on line 25 and defined in /in/FFVCI:12 Stack trace: #0 /in/FFVCI(25): Test\A->c('a') #1 {main} thrown in /in/FFVCI on line 12
Process exited with code 255.
Output for 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
1 Hello, World Fatal error: Uncaught TypeError: Argument 1 passed to Test\A::c() must be of the type int, string given, called in /in/FFVCI on line 25 and defined in /in/FFVCI:12 Stack trace: #0 /in/FFVCI(25): Test\A->c('a') #1 {main} thrown in /in/FFVCI on line 12
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33
1 Hello, World Fatal error: Uncaught TypeError: Argument 1 passed to Test\A::c() must be of the type integer, string given, called in /in/FFVCI on line 25 and defined in /in/FFVCI:12 Stack trace: #0 /in/FFVCI(25): Test\A->c('a') #1 {main} thrown in /in/FFVCI on line 12
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
1 Hello, World Catchable fatal error: Argument 1 passed to Test\A::c() must be an instance of Test\int, integer given, called in /in/FFVCI on line 24 and defined in /in/FFVCI on line 12
Process exited with code 255.
Output for 5.3.0 - 5.3.29
1 Catchable fatal error: Argument 1 passed to Test\A::b() must be an instance of Test\callable, array given, called in /in/FFVCI on line 23 and defined in /in/FFVCI on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_STRING in /in/FFVCI on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/FFVCI on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/FFVCI on line 3
Process exited with code 255.
preferences:
231.41 ms | 401 KiB | 314 Q