3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { public function test(): self|string { return new \stdClass; } }; $b = new class { public function test(): self|string { return new \stdClass; } }; try { (new a)->test(); } catch (\Throwable $e) { echo $e->getMessage().PHP_EOL; } try { $b->test(); } catch (\Throwable $e) { echo $e->getMessage().PHP_EOL; }
Output for git.master, git.master_jit, rfc.property-hooks
a::test(): Return value must be of type a|string, stdClass returned class@anonymous::test(): Return value must be of type class@anonymous|string, stdClass returned

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

preferences:
43.01 ms | 401 KiB | 8 Q