1

私はこれをURLで実行しています:

https://www.googleapis.com/shopping/search/v1/public/products?key=thekey&country=US&q=xbox+360&alt=json

これにより、次のような出力が得られます。

{
 "kind": "shopping#products",
 "etag": "\"czKOfew9E3svi7vOBQ3vsAgGZzo/s56qwZYTznZuaaCXzw1weX_JANI\"",
 "id": "tag:google.com,2010:shopping/products",
 "selfLink": "https://www.googleapis.com/shopping/search/v1/public/products?country=US&q=xbox+360&alt=json&startIndex=1&maxResults=25",
 "nextLink": "https://www.googleapis.com/shopping/search/v1/public/products?country=US&q=xbox+360&alt=json&startIndex=26&maxResults=25",
 "totalItems": 203461,
 "startIndex": 1,
 "itemsPerPage": 25,
 "currentItemCount": 25,
 "items": [
  {
   "kind": "shopping#product",
   "id": "tag:google.com,2010:shopping/products/1113342/8881409096328278418",
   "selfLink": "https://www.googleapis.com/shopping/search/v1/public/products/1113342/gid/8881409096328278418?alt=json",
   "product": {
    "googleId": "8881409096328278418",
    "author": {
     "name": "Walmart",
     "accountId": "1113342"
    },
    "creationTime": "2011-11-13T21:18:07.000Z",
    "modificationTime": "2011-12-08T01:12:50.000Z",
    "country": "US",
    "language": "en",
    "title": "More Facts On Xbox 360 4gb Capabilities",
    "description": "Xbox 360 4GB ConsoleBuilt-in Wi-Fi: The new Microsoft Xbox 360 console is the only console with 802.11n Wi-Fi built-in for a faster and easier connection to Xbox LIVE. Stream HD movies and TV or download games from Xbox LIVE in 1080p and 5.1 surround sound from anywhere in the house. Compatible with b/g/n networks.Xbox LIVE: Xbox LIVE brings a world of entertainment to you. Instantly watch movies and TV streaming from Netflix. In crystal-clear HD, or download game add-ons like new levels, characters, maps and songs. Easily jump right into online multiplayer fun and play along with friends around the world. Plus, get your favorite music from Last.fm, connect with friends on Facebook and post Tweets on Twitter. Xbox LIVE is your connection to more games, entertainment and fun.Kinect-Ready: Featuring a dedicated, specialized port, this Microsoft Xbox 360 console is built to connect seamlessly with the Kinect Sensor. Kin",
    "link": "http://www.walmart.com/catalog/product.do?product_id=14917960&sourceid=1500000000000003142040&ci_src=14110944&ci_sku=14917960",
    "brand": "Microsoft",
    "condition": "new",
    "gtin": "00885370138405",
    "gtins": [
     "00885370138405"
    ],
    "inventories": [
     {
      "channel": "online",
      "availability": "inStock",
      "price": 199.0,
      "shipping": 7.97,
      "currency": "USD"
     }
    ],
    "images": [
     {
      "link": "http://i.walmartimages.com/i/p/00/88/53/70/13/0088537013840_500X500.jpg"
     }
    ]
   }
  },
  {
   "kind": "shopping#product",
   "id": "tag:google.com,2010:shopping/products/10046/10100715335711953213",
   "selfLink": "https://www.googleapis.com/shopping/search/v1/public/products/10046/gid/10100715335711953213?alt=json",
   "product": {
    "googleId": "10100715335711953213",
    "author": {
     "name": "Target",
     "accountId": "10046"
    },
    "creationTime": "2011-08-23T19:06:38.000Z",
    "modificationTime": "2011-12-09T22:37:12.000Z",
    "country": "US",
    "language": "en",
    "title": "Xbox 360 4gb Console",
    "description": "The new Xbox 360 4GB Console. Here today, ready for tomorrow with a brand new, leaner machine. Wi-Fi is built-in for easier connection to the world of entertainment on Xbox LIVE, where HD movies and TV stream in an instant. It s ready for the controller-free experiences of Kinect you don t just play the game, you are the game. Xbox 360 is more games, entertainment and fun. What s In The Box? Xbox 360 4GB S Console Xbox 360 Black Wireless Controller Xbox 360 Composite A/V cable (standard definition) One Month Xbox LIVE Gold Membership 1 year limited warranty on console",
    "link": "http://www.target.com/p/Xbox-360-4GB-Console/-/A-12885804?ref=tgt_adv_XSG10001&AFID=Froogle_df&LNM=%7C12885804&CPNG=video%20games&ci_src=14110944&ci_sku=12885804",
    "brand": "Microsoft",
    "condition": "new",
    "gtin": "00885370138405",
    "gtins": [
     "00885370138405"
    ],
    "inventories": [
     {
      "channel": "online",
      "availability": "inStock",
      "price": 199.99,
      "shipping": 12.85,
      "currency": "USD"
     }
    ],
    "images": [
     {
      "link": "http://img3.targetimg3.com/wcsstore/TargetSAS/img/p/12/88/12885804.jpg"
     }
    ]
   }
  },
  {
   "kind": "shopping#product",
   "id": "tag:google.com,2010:shopping/products/1161353/4408757490534070643",
   "selfLink": "https://www.googleapis.com/shopping/search/v1/public/products/1161353/gid/4408757490534070643?alt=json",
   "product": {
    "googleId": "4408757490534070643",
    "author": {
     "name": "Buy.com",
     "accountId": "1161353"
    },
    "creationTime": "2011-04-24T04:06:32.000Z",
    "modificationTime": "2011-12-09T06:24:51.000Z",
    "country": "US",
    "language": "en",
    "title": "Xbox 360 System (4GB)",
    "description": "Product Description The new Xbox 360. Here today, ready for tomorrow with a brand new, leaner machine in an all new black gloss finish. Wi-Fi is built-in for easier connection to the world of entertainment on Xbox LIVE, where HD movies and TV stream in an instant. Kinect Ready Featuring a dedicated, specialized port, the Xbox 360 4GB is built to connect seamlessly with the Kinect Sensor. Kinect brings games and entertainment to life in extraordinary new ways no controller required. Easy to use and instantly fun, Kinect gets everyone off the couch moving, laughing and cheering. See a ball? Kick it. Want to join a friend in the fun? Simply jump in. Even control an HD movie with a wave of your hand. Xbox LIVE Xbox LIVE brings a world of entertainment to you. Instantly watch movies and TV streaming from Netflix. In crystal-clear HD, or download game add-ons like new levels, characters, maps and songs. Easily jump right into online multiplayer fun and play along with friends around the world. Plus, get your favorite music from Last.fm and your Zune Pass, connect with friends on Facebook and post Tweets on Twitter. Xbox LIVE is your connection to more games, entertainment and fun. Looking for more than just a video game system? Just connect your Digital Camera, iPod, Zune, or other MP3 player via USB cable and immediately begin enjoying all your favorite Music and Movies on the TV that your Xbox 360 is hooked up to. It plays DVDs and CDs and you can even download the latest movies and TV shows via Xbox Live. It is a full Windows Media Extender and can connect with other PCs around the house to stream your favorite media. What Does Xbox Live Mean or Do? Join Xbox Live to have full access to the Marketplace where you can download full Games, Demos, Trailers, Movies and more. Voice, Text, and Video chat with friends and even play games together online (Note: multiplayer gaming requires Xbox Live Gold subscription). Xbox 360 Games To Watch Out For Gears of War 3 Call of Duty: Modern Warfare 3 Assassin's Creed: Revelations Tomb Raider Battlefield 3 Deus Ex: Human Revolution Child of Eden Xbox 360 Wireless Controller (black) This award-winning, high-performance wireless controller features a range of up to 30 feet and a battery life of up to 30 hours on two AA batteries. Built-in Wi-Fi The new Xbox 360 is the only console with 802.11n Wi-Fi built-in for a faster and easier connection to Xbox LIVE. Stream HD movies and TV or download games from Xbox LIVE in 1080p and 5.1 surround sound from anywhere in the house. Compatible with b/g/n networks.",
    "link": "http://clickfrom.buy.com/default.asp?adid=17379&sURL=http%3A%2F%2Fwww.buy.com%2Fprod%2Fxbox-360-system-4gb%2F216907636.html",
    "brand": "Microsoft",
    "condition": "new",
    "gtin": "00885370138405",
    "gtins": [
     "00885370138405"
    ],
    "inventories": [
     {
      "channel": "online",
      "availability": "inStock",
      "price": 199.99,
      "shipping": 0.0,
      "currency": "USD"
     }
    ],
    "images": [
     {
      "link": "http://ak.buy.com/PI/0/1000/216907636.jpg"
     }
    ]
   }
  },
  {
   "kind": "shopping#product",
   "id": "tag:google.com,2010:shopping/products/1113342/2934483943836745321",
   "selfLink": "https://www.googleapis.com/shopping/search/v1/public/products/1113342/gid/2934483943836745321?alt=json",
   "product": {
    "googleId": "2934483943836745321",
    "author": {
     "name": "Walmart",
     "accountId": "1113342"
    },
    "creationTime": "2011-03-25T21:44:47.000Z",
    "modificationTime": "2011-12-08T01:12:50.000Z",
    "country": "US",
    "language": "en",
    "title": "Xbox 360 250gb Console",
    "description": "The new Xbox 360 250GB console. It's here today and ready for tomorrow, with a brand-new, leaner machine in an all-new black gloss finish. Wi-Fi is built in for easier connection to the world of entertainment on Xbox LIVE, where HD movies and TV stream in an instant. It's ready for the controller-free experiences of Kinect you don't just play the game; you are the game. Kinect brings games and entertainment to life in extraordinary new ways no controller required. Easy to use and instantly f",
    "link": "http://www.walmart.com/catalog/product.do?product_id=14683340&sourceid=1500000000000003142040&ci_src=14110944&ci_sku=14683340",
    "brand": "Microsoft",
    "condition": "new",
    "gtin": "00885370127119",
    "gtins": [
     "00885370127119"
    ],
    "inventories": [
     {
      "channel": "online",
      "availability": "inStock",
      "price": 299.0,
      "shipping": 7.97,
      "currency": "USD"
     }
    ],
    "images": [
     {
      "link": "http://i.walmartimages.com/i/p/00/88/53/70/12/0088537012711_500X500.jpg"
     }
    ]
   }
  }

からすべての値を取得してprice、php の配列に格納したいですか? somepage.php でこのクエリを実行し、json 値をそのページ内の php 配列に出力するにはどうすればよいですか?

4

1 に答える 1

1

この問題の解決策は次のとおりです。

  1. リモート ソース テキストを取得する
  2. JSON 文字列を配列にデコードする
  3. 結果の配列を反復処理して、目的のデータを取得します。

PHP でリモート ファイル/テキストを取得する方法は複数あります。最も顕著なものは...

使用file_get_contents():

$txt = file_get_contents('http://www.example.com/');
echo $txt;

PHP の curl 関数:

$url = 'http://www.mysite.com';
$ch = curl_init($url);

// Tell curl_exec to return the text instead of sending it to STDOUT
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);

// Don't include return header in output
curl_setopt($ch, CURLOPT_HEADER, 0);

$txt = curl_exec($ch);
curl_close($ch);

echo $txt;

通常、curl はより適切なオプションです。正確な要求パラメーターをより詳細に制御でき、計画どおりに進まない場合のエラー処理の可能性が高くなるからです。

リモート API ページが JSON 文字列を返す場合、json_decode() を使用してそれを配列に変換し、結果の配列を反復処理して必要な値を引き出します。

// retrieve the remote text using one of the above methods
$txt = file_get_contents('http://www.example.com/');

// decode the json string into an array
$arr = json_decode($txt);

$price_arr = array();

foreach ($arr as $a) {
  // this is not the exact format of the data returned
  // from the API, just an example to demonstrate how you
  // would iterate over the decoded array
  $price_arr[] = $a['price'];
}

PHP のarray_map()関数を使用して、JSON 文字列をデコードした結果の配列をより詳細に解析することもできますが、ほとんどの人にとっては単純な foreach ループで十分です。

于 2011-12-10T17:34:42.313 に答える