Salary Strategy

to-remove-salary-strategy.php

<?php

interface SalaryInterface {
    public function getSalary(): float;
}

class DynamicStrategy implements SalaryInterface {
    /**
     * @var int
     */
    private $hours;

    /**
     * @var float
     */
    private $perHour;

    public function __construct(int $hours, float $perHour)
    {

        $this->hours = $hours;
        $this->perHour = $perHour;
    }

    public function getSalary(): float
    {
        return $this->hours * $this->perHour;
    }
}

class FixedStrategy implements SalaryInterface {
    /**
     * @var float
     */
    private $salary;

    public function __construct(float $salary)
    {

        $this->salary = $salary;
    }

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


class Employee {
    // ...
    public function __construct(/* ... */, SalaryInterface $salaryStrategy)
    {

    }

    public function getSalary(): float
    {
        return $this->salaryStrategy->getSalary();
    }
}

class Developer {}

new Developer('Ivan', new FixedStrategy(1000));
new Developer('Ivan', new DynamicStrategy(123, 4));