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@ 2024-10-13T07:42:24Z

<?php


class Employee
{
    protected $salary;

    public function __construct($salary)
    {
        $this->salary = $salary;
    }

    public function getSalary()
    {
        return $this->salary;
    }
}

class Manager extends Employee
{
    protected $bonus;

    public function __construct($salary, $bonus)
    {
        parent::__construct($salary);
        $this->bonus = $bonus;
    }

    public function getSalary()
    {
        return $this->salary + $this->bonus;
    }
}

function printEmployeeSalary(Employee $employee)
{
    echo "Salary: " . $employee->getSalary() . "\n";
}

$employee = new Employee(3000);
$manager = new Manager(5000, 2000);

printEmployeeSalary($employee); // Ожидается: Salary: 3000
printEmployeeSalary($manager);  // Ожидается: Salary: 7000

Output for git.master_jit, git.master: Salary: 3000 Salary: 7000

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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