club_singer.php

来自「Professional PHP5 code for this book」· PHP 代码 · 共 33 行

<?php
require_once("class.Collection.php");

class Singer {
  public $name;
  
  public function __construct($name) {
    $this->name = $name;
  }
}


class NightClub {
  public $name;
  public $singers;
  
  public function __construct($name) {
    $this->name = $name;
    $this->singers = new Collection();
    $this->singers->setLoadCallback('_loadSingers', $this);
  }
  
  private function _loadSingers(Collection $col) {
    print "(We're loading the singers!)<br>\n";

    //these would normally come from a database
    $col->addItem(new Singer('Frank Sinatra'));
    $col->addItem(new Singer('Dean Martin'));
    $col->addItem(new Singer('Sammy Davis, Jr.'));
  }
}
?>