3v4l.org

run code in 300+ PHP versions simultaneously
<?php Interface wut { public function foo( string $yolo ); } class dude implements wut { public function foo ( int $yolo = 2) { echo $yolo; } } $x = new dude(); $x->foo();
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 - 8.3.4, 8.3.6
Fatal error: Declaration of dude::foo(int $yolo = 2) must be compatible with wut::foo(string $yolo) in /in/u2gIl on line 8
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Declaration of dude::foo(int $yolo = 2) must be compatible with wut::foo(string $yolo) in /in/u2gIl 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 = 2) must be compatible with wut::foo(string $yolo) in /in/u2gIl on line 7
Process exited with code 255.
preferences:
133.53 ms | 402 KiB | 174 Q