3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace A\B { class C { } }; namespace { use A\B\C; use A\B\C as D; var_dump(\A\B\C::class, C::class, D::class); };
Output for 7.1.25 - 7.1.28, 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 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(5) "A\B\C" string(5) "A\B\C" string(5) "A\B\C"

preferences:
148.41 ms | 403 KiB | 163 Q