composer require guzzlehttp/guzzle //用composer安裝最新guzzle，當(dāng)前是6.3版

$client = new GuzzleHttp\Client(); //初始化客戶端
$response = $client->get('http://httpbin.org/get', [
   'query' => [ //get查詢字符串參數(shù)組
    'a' => '參數(shù)a的值',
    'b' => '參數(shù)b的值',
   ],
   'timeout' => 3.14 //設(shè)置請(qǐng)求超時(shí)時(shí)間
  ]);
  
//  與上面一條等價(jià)
//  $response = $client->request('GET','http://httpbin.org/get', [
//   'query' => [  
//    'a' => '參數(shù)a的值',
//    'b' => '參數(shù)b的值',
//   ],
//   'timeout' => 3.14 
//  ]);

$body = $response->getBody(); //獲取響應(yīng)體，對(duì)象
$bodyStr = (string)$body; //對(duì)象轉(zhuǎn)字串,這就是請(qǐng)求返回的結(jié)果
echo $bodyStr;

$response = $client->get('http://httpbin.org/get');
$response = $client->delete('http://httpbin.org/delete');
$response = $client->head('http://httpbin.org/get');
$response = $client->options('http://httpbin.org/get');
$response = $client->patch('http://httpbin.org/patch');
$response = $client->post('http://httpbin.org/post');
$response = $client->put('http://httpbin.org/put');

$client = new GuzzleHttp\Client();
//普通表單`application/x-www-form-urlencoded`的POST請(qǐng)求
$response = $client->post('http://httpbin.org/post', [
 'form_params' => [  //參數(shù)組
  'a' => 'aaa',
  'b' => 'bbb',
  'nested_field' => [ //參數(shù)允許嵌套多層
   'A' => 'AAA',
   'B' => 'BBB',
  ]
 ],
]);
  
  //包含文件上傳的表單`multipart/form-data`的POST請(qǐng)求
//  $response = $client->post('http://httpbin.org/post', [
//   'multipart' => [ //注意這個(gè)參數(shù)組的鍵名與前一個(gè)不同
//    [
//     'name' => 'a', //字段名
//     'contents' => 'aaa' //對(duì)應(yīng)的值
//    ],
//    [
//     'name' => 'upload_file_name', //文件字段名
//     'contents' => fopen('/data/test.md', 'r') //文件資源
//    ],
//   ]
//  ]);
  
  $body = $response->getBody(); //獲取響應(yīng)體，對(duì)象
  $bodyStr = (string)$body; //對(duì)象轉(zhuǎn)字串
  echo $bodyStr;