3v4l.org

run code in 300+ PHP versions simultaneously
<?php class parentt { public $property1; public function __construct() { $this->property1 = 1; } } class child extends parentt { public $property2; public function __construct() { $this->property2 = $this->property1; } public function showProperty(){ return $this->property2; } } $obj = new child(); echo $obj->showProperty();
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12

preferences:
140.38 ms | 408 KiB | 5 Q