3v4l.org

run code in 300+ PHP versions simultaneously
<?php Interface wut { public function foo( $yolo ); } class dude implements wut { public function foo ( $yolo ): string { echo $yolo; } } $x = new dude(); $x->foo(2);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
2 Fatal error: Uncaught TypeError: dude::foo(): Return value must be of type string, none returned in /in/YLNLf:10 Stack trace: #0 /in/YLNLf(14): dude->foo(2) #1 {main} thrown in /in/YLNLf on line 10
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 2 Fatal error: Uncaught TypeError: dude::foo(): Return value must be of type string, none returned in /in/YLNLf:10 Stack trace: #0 /in/YLNLf(14): dude->foo(2) #1 {main} thrown in /in/YLNLf on line 10
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
2 Fatal error: Uncaught TypeError: Return value of dude::foo() must be of the type string, none returned in /in/YLNLf:10 Stack trace: #0 /in/YLNLf(14): dude->foo(2) #1 {main} thrown in /in/YLNLf on line 10
Process exited with code 255.
Output for 5.6.0 - 5.6.40
Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/YLNLf on line 8
Process exited with code 255.

preferences:
179.82 ms | 401 KiB | 291 Q