3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public function bar() {} } var_dump(is_callable([Foo::class, 'bar'])); var_dump(is_callable([new Foo, 'bar']));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
bool(false) bool(true)
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
bool(true) bool(true)
preferences:
134.13 ms | 407 KiB | 5 Q