3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function __construct() { echo "A::__construct()<br>"; } public function A() { echo "A::A()<br>"; } public function callme5() { static::__construct(); } public function callme4() { $classname = get_class($this); $this->$classname(); } } class B extends A { public function __construct() { echo "B::__construct()<br>"; } public function B() { echo "B::B()<br>"; } } class C extends A { public function __construct() { echo "C::__construct()<br>"; } } class D extends A { public function D() { echo "D::D()<br>"; } } echo "---A---<br>"; $obj = new A(); $obj->callme4(); $obj->callme5(); echo "---B---<br>"; $obj = new B(); $obj->callme4(); $obj->callme5(); echo "---C---<br>"; $obj = new C(); //$obj->callme4(); $obj->callme5(); echo "---D---<br>"; $obj = new D(); $obj->callme4(); $obj->callme5();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
---A---<br>A::__construct()<br>A::A()<br>A::__construct()<br>---B---<br>B::__construct()<br>B::B()<br>B::__construct()<br>---C---<br>C::__construct()<br>C::__construct()<br>---D---<br>A::__construct()<br>D::D()<br>A::__construct()<br>
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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; D has a deprecated constructor in /in/pJ4Hd on line 38 ---A---<br>A::__construct()<br>A::A()<br>A::__construct()<br>---B---<br>B::__construct()<br>B::B()<br>B::__construct()<br>---C---<br>C::__construct()<br>C::__construct()<br>---D---<br>D::D()<br>D::D()<br>D::D()<br>
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.3.32 - 7.3.33
---A---<br>A::__construct()<br>A::A()<br>A::__construct()<br>---B---<br>B::__construct()<br>B::B()<br>B::__construct()<br>---C---<br>C::__construct()<br>C::__construct()<br>---D---<br>D::D()<br>D::D()<br>D::D()<br>

preferences:
143.61 ms | 402 KiB | 194 Q