gistfile1.txt

<?php
class People {

  public $cardID;
  public $firstName;
  public $lastName
  
  publict __construct() {
    $this->cardID = '3-4512-22-213542';
    $this->firstName = 'Watcharamet';
    $this->lastName = 'Srinethirothai';
  }
  
  private changeName($name) {
    $this->firstName = $name;
  }
  
  public getFullName() {
    return $this->firstName .' '. $this->lastName;
  }
  
  public setFirstName($name) {
    $this->changeName($name);
  }
  
}