Online PHP editor | refs for SAXOb

<?php class ManagerSupervisorV1 { private string $name; private float $salary; public function __construct(string $name = 'Руководитель менеджеров', float $salary = 1.5) { $this->name = $name; $this->salary = $salary; } } var_dump(new ManagerSupervisorV1); class ManagerSupervisorV2 { private string $name = 'Руководитель менеджеров'; private float $salary = 1.5; public function __construct(string $name = null, float $salary = null) { $this->name = $this->name ?: $name; $this->salary = $this->salary ?: $salary; } } var_dump(new ManagerSupervisorV2); class ManagerSupervisorV3 { public function __construct( private string $name = 'Руководитель менеджеров', private float $salary = 1.5, ) {} } var_dump(new ManagerSupervisorV3);