如何在PHP服务器上开服（使用pocketmine-mp）

class HourlyEmployee extends Employee{
private int salaryPerHour;
private int hoursPerMonth;
public HourlyEmployee(String name,int birth,int salaryPerHour,int hoursPerMonth){
super(name,birth);
thissalaryPerHour = salaryPerHour;
thishoursPerMonth = hoursPerMonth;
}

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