3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function __construct() { echo "A::__construct()\n"; } public function A() { echo "A::A()\n"; } public function callme5() { static::__construct(); } public function callme4() { $classname = get_class($this); $this->$classname(); } } class B extends A { public function __construct() { echo "B::__construct()\n"; } public function B() { echo "B::B()\n"; } } class C extends A { public function __construct() { echo "C::__construct()\n"; } } class D extends A { public function D() { echo "D::D()\n"; } } echo "---A---\n"; $obj = new A(); $obj->callme4(); $obj->callme5(); echo "---B---\n"; $obj = new B(); $obj->callme4(); $obj->callme5(); echo "---C---\n"; $obj = new C(); //$obj->callme4(); // This produces an error $obj->callme5(); echo "---D---\n"; $obj = new D(); $obj->callme4(); $obj->callme5();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
---A--- A::__construct() A::A() A::__construct() ---B--- B::__construct() B::B() B::__construct() ---C--- C::__construct() C::__construct() ---D--- A::__construct() D::D() A::__construct()
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 ---A--- A::__construct() A::A() A::__construct() ---B--- B::__construct() B::B() B::__construct() ---C--- C::__construct() C::__construct() ---D--- A::__construct() D::D() A::__construct()
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; D has a deprecated constructor in /in/HVNOI on line 38 ---A--- A::__construct() A::A() A::__construct() ---B--- B::__construct() B::B() B::__construct() ---C--- C::__construct() C::__construct() ---D--- D::D() D::D() D::D()
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.3.32 - 7.3.33
---A--- A::__construct() A::A() A::__construct() ---B--- B::__construct() B::B() B::__construct() ---C--- C::__construct() C::__construct() ---D--- D::D() D::D() D::D()
preferences:
219.59 ms | 402 KiB | 225 Q