3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { function A() { var_dump('A ctor'); } } class B extends A { function B() { var_dump('B ctor'); } } class C extends A { } new A; new B; new C;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; A has a deprecated constructor in /in/jcPin on line 3 Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; B has a deprecated constructor in /in/jcPin on line 11 string(6) "A ctor" string(6) "B ctor" string(6) "A ctor"
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.3.32 - 7.3.33
string(6) "A ctor" string(6) "B ctor" string(6) "A ctor"

preferences:
223.33 ms | 404 KiB | 358 Q