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<?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("Matthew");
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Loaded from the child class. Fatal error: Uncaught ArgumentCountError: Too few arguments to function ParentClazz::hello(), 0 passed in /in/hFKFj on line 11 and exactly 1 expected in /in/hFKFj:14 Stack trace: #0 /in/hFKFj(11): ParentClazz->hello() #1 /in/hFKFj(23): ParentClazz->__construct() #2 /in/hFKFj(27): ChildClazz->__construct('Matthew') #3 {main} thrown in /in/hFKFj on line 14
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33
Loaded from the child class. Warning: Missing argument 1 for ParentClazz::hello(), called in /in/hFKFj on line 11 and defined in /in/hFKFj on line 14 Notice: Undefined variable: name in /in/hFKFj on line 15 Hello, !
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231.69 ms | 402 KiB | 339 Q