3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php interface Interfaze { public function hello($name); } class ParentClazz implements Interfaze { public function __construct() { $this->hello(); } public function hello($name) { echo "Hello, $name!"; } } class ChildClazz extends ParentClazz { public function __construct() { echo "Loaded from the child class."; parent::__construct(); } } $childclass = new ChildClazz; $childclass;
based on C8Anj
Output for 7.1.0 - 7.2.0
Loaded from the child class. Fatal error: Uncaught ArgumentCountError: Too few arguments to function ParentClazz::hello(), 0 passed in /in/Q9ar6 on line 11 and exactly 1 expected in /in/Q9ar6:14 Stack trace: #0 /in/Q9ar6(11): ParentClazz->hello() #1 /in/Q9ar6(23): ParentClazz->__construct() #2 /in/Q9ar6(27): ChildClazz->__construct() #3 {main} thrown in /in/Q9ar6 on line 14
Process exited with code 255.
Output for 5.3.19 - 7.0.20
Loaded from the child class. Warning: Missing argument 1 for ParentClazz::hello(), called in /in/Q9ar6 on line 11 and defined in /in/Q9ar6 on line 14 Notice: Undefined variable: name in /in/Q9ar6 on line 15 Hello, !