3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface Foo { public function bar(string $stuff): Generator; } class Baz { public function bar(string $stuff): Generator { yield $stuff; } } $baz = new Baz; $g = $baz->bar("Hello PHP!"); foreach ($g as $value) { var_dump($value); }
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
string(10) "Hello PHP!"
preferences:
124.18 ms | 1525 KiB | 4 Q