3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface ILog { public function log(string $message, ... $args) : void; } class Foo { public function __construct(ILog $logger) { $this->logger = $logger; } public function thing() { $this->logger->log("thing"); } } $logger = function (string $message, ... $args) implements ILog : void { printf("{$message}\n", ... $args); }; $foo = new Foo($logger); $foo->thing(); $logger("next thing");
Output for 7.0.0 - 7.0.6
Parse error: syntax error, unexpected 'implements' (T_IMPLEMENTS), expecting '{' in /in/mOJXI on line 16
Process exited with code 255.
Output for 5.6.0 - 5.6.21
Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/mOJXI on line 3
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.35
Parse error: syntax error, unexpected '.', expecting '&' or variable (T_VARIABLE) in /in/mOJXI on line 3
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '.', expecting '&' or T_VARIABLE in /in/mOJXI on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '.', expecting '&' or T_VARIABLE in /in/mOJXI on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/mOJXI on line 2
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
Parse error: parse error, unexpected T_STRING in /in/mOJXI on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/mOJXI on line 2
Process exited with code 255.

preferences:
272.94 ms | 1395 KiB | 199 Q