<?php class Shop { var $kana; var $shopName; var $tel; function __construct($kana, $shopName, $tel) { $this->kana = $kana; $this->shopName = $shopName; $this->tel = $tel; } } function cmp($a, $b) { $cmp = strcmp($a->kana, $b->kana); return $cmp; } // オブジェクトを配列に入れる $shopList[] = new Shop("やまだとけいてん", "山田時計店", "03-6234-5678"); $shopList[] = new Shop("かとうふとんてん", "加藤ふとん店", "03-4234-5678"); $shopList[]