3v4l.org

run code in 300+ PHP versions simultaneously
<?php Interface wut { public function foo( $yolo ); } class dude implements wut { public function foo ( int $yolo ) { echo $yolo; } } $x = new dude(); $x->foo(2);
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Fatal error: Declaration of dude::foo(int $yolo) must be compatible with wut::foo($yolo) in /in/vJP18 on line 8
Process exited with code 255.
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
Fatal error: Declaration of dude::foo(int $yolo) must be compatible with wut::foo($yolo) in /in/vJP18 on line 7
Process exited with code 255.
preferences:
157.76 ms | 402 KiB | 175 Q