3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface Logger { public function log($message); } class Application { protected $logger; public function setLogger(Logger $logger) { $this->logger = $logger; } public function doTask() { $this->logger->log('test data'); } } $app = new Application(); $app->setLogger(new class implements Logger { public function log($message) { var_dump($message); } }); $app->doTask();
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, 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 - 8.3.6
string(9) "test data"
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Parse error: syntax error, unexpected 'class' (T_CLASS) in /in/3vTgm on line 25
Process exited with code 255.
preferences:
199.97 ms | 402 KiB | 183 Q