3v4l.org

run code in 300+ PHP versions simultaneously
<?php class derp implements Iterator { public function current() {} public function key() {} public function next() {} public function rewind() {} public function valid() {} } $d = new Derp; var_dump(is_array($d));
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Return type of derp::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/4aAji on line 5 Deprecated: Return type of derp::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/4aAji on line 7 Deprecated: Return type of derp::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/4aAji on line 6 Deprecated: Return type of derp::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/4aAji on line 9 Deprecated: Return type of derp::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/4aAji on line 8 bool(false)

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:
41.18 ms | 403 KiB | 8 Q