How to instantiate a function with a function inside using inheritance in php

Question

is it possible to echo a function inside another function using inheritance? please teach me how do it?

<?php
class Clinic extends Patient{

    function getPatientsInfo(){

        echo $this->GeneralInfo();

    }
}
$patient = new Clinic;
$patient->getPatientsInfo();

Answer 1

如果 GeneralInfo() 在 Patient 类中是公共的或受保护的，那么您可以使用。