3v4l.org

run code in 300+ PHP versions simultaneously
<?php class SomeClass { protected stdClass $a; } $type = (new \ReflectionClass(SomeClass::class))->getProperty('a')->getType(); var_dump($type->isBuiltin());

Shows result from various feature-branches currently under review from the php developers. Contact me to have additional branches featured.

Output for branch master
bool(false)
Output for branch master_jit
bool(false)

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