3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { function addGroupBy($groupBy, ...$groupBys) {} } class B extends A { function addGroupBy($groupBy) {} }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Fatal error: Declaration of B::addGroupBy($groupBy) must be compatible with A::addGroupBy($groupBy, ...$groupBys) in /in/CSa1P on line 10
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Warning: Declaration of B::addGroupBy($groupBy) should be compatible with A::addGroupBy($groupBy, ...$groupBys) in /in/CSa1P on line 10
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Warning: Declaration of B::addGroupBy($groupBy) should be compatible with A::addGroupBy($groupBy, ...$groupBys) in /in/CSa1P on line 11
preferences:
141.06 ms | 409 KiB | 5 Q