Chapter 1. User Guide Guzzle, Release // Check if a header exists. if ($response->hasHeader('Content-Length')) { echo "It exists"; } // Get a header from the response. echo $response->getHeader('Content-Length'); 'http://httpbin.org/post', ['body' => $body]); An easy way to upload JSON data and set the appropriate header is using the json request option: $r = $client->request('PUT', 'http://httpbin.org/put', [ 'json' 'contents' => 'hello', 'filename' => 'filename.txt', 'headers' => [ 'X-Foo' => 'this is an extra header to include' ] ] ] ]); Cookies Guzzle can maintain a cookie session for you if instructed using

retrieve headers from the response: // Check if a header exists. if ($response->hasHeader('Content-Length')) { echo "It exists"; } // Get a header from the response. echo $response->getHeader('Content-Length')[0]; 'http://httpbin.org/post', ['body' => $body]); An easy way to upload JSON data and set the appropriate header is using the json request option: $r = $client->request('PUT', 'http://httpbin.org/put', [ 'json' 'filename' => 'filename.txt', 'headers' => [ 'X-Foo' => 'this is an extra header to include' ] ] ] ]); Cookies Guzzle can maintain a cookie session for you

retrieve headers from the response: // Check if a header exists. if ($response->hasHeader('Content-Length')) { echo "It exists"; } // Get a header from the response. echo $response->getHeader('Content-Length')[0]; 'http://httpbin.org/post', ['body' => $body]); An easy way to upload JSON data and set the appropriate header is using the json request option: $r = $client->request('PUT', 'http://httpbin.org/put', [ 'json' 'filename' => 'filename.txt', 'headers' => [ 'X-Foo' => 'this is an extra header to include' ] ] ] ]); Cookies Guzzle can maintain a cookie session for you

retrieve headers from the response: // Check if a header exists. if ($response->hasHeader('Content-Length')) { echo "It exists"; } // Get a header from the response. echo $response->getHeader('Content-Length')[0]; 'http://httpbin.org/post', ['body' => $body]); An easy way to upload JSON data and set the appropriate header is using the json request option: $r = $client->request('PUT', 'http://httpbin.org/put', [ 'json' 'contents' => 'hello', 'filename' => 'filename.txt', 'headers' => [ 'X-Foo' => 'this is an extra header to include' ] ] ] ]); 1.2.5 Cookies Guzzle can maintain a cookie session for you if instructed

retrieve headers from the response: // Check if a header exists. if ($response->hasHeader('Content-Length')) { echo "It exists"; } // Get a header from the response. echo $response->getHeader('Content-Length'); 'http://httpbin.org/post', ['body' => $body]); An easy way to upload JSON data and set the appropriate header is using the json request option: $r = $client->request('PUT', 'http://httpbin.org/put', [ 'json' 'filename' => 'filename.txt', 'headers' => [ 'X-Foo' => 'this is an extra header to include' ] ] ] ]); Cookies Guzzle can maintain a cookie session for you

Chapter 1. User Guide Guzzle, Release // Check if a header exists. if ($response->hasHeader('Content-Length')) { echo "It exists"; } // Get a header from the response. echo $response->getHeader('Content-Length')[0]; 'http://httpbin.org/post', ['body' => $body]); An easy way to upload JSON data and set the appropriate header is using the json request option: $r = $client->request('PUT', 'http://httpbin.org/put', [ 'json' 'contents' => 'hello', 'filename' => 'filename.txt', 'headers' => [ 'X-Foo' => 'this is an extra header to include' ] ] ] ]); 1.2.5 Cookies Guzzle can maintain a cookie session for you if instructed

name="message">' '' '') def post(self): self.set_header("Content-Type", "text/plain") self.write("You wrote " + self.get_body_argument("message")) Since set_default_headers - may be used to set additional headers on the response (such as a custom Server header). Error Handling If a handler raises an exception, Tornado will call RequestHandler.write_error %} By default, we detect the user’s locale using the Accept-Language header sent by the user’s browser. We choose en_US if we can’t find an appropriate Accept-Language value

value="Submit">' '') def post(self): self.set_header("Content-Type", "text/plain") self.write("You wrote " + self.get_body_argument("message")) set_default_headers - may be used to set additional headers on the response (such as a custom Server header). Error Handling If a handler raises an exception, Tornado will call RequestHandler.write_error By default, we detect the user’s locale using the Accept-Language header sent by the user’s browser. We choose en_US if we can’t find an appropriate Accept-Language value

example, we send the X-Foo-Header with a value of value by setting the headers request option. $response = $client->get('http://httpbin.org/get', [ 'headers' => ['X-Foo-Header' => 'value'] ]); You can the headers of a response using header specific methods of a response class. Headers work exactly the same way for request and response object. You can retrieve a header from a request or response using will return a string containing the header field value. $response = $client->get('http://www.yahoo.com'); $length = $response->getHeader('Content-Length'); Header fields that contain multiple values

example, we send the X-Foo-Header with a value of value by setting the headers request option. $response = $client->get('http://httpbin.org/get', [ 'headers' => ['X-Foo-Header' => 'value'] ]); You can the headers of a response using header specific methods of a response class. Headers work exactly the same way for request and response object. You can retrieve a header from a request or response using will return a string containing the header field value. $response = $client->get('http://www.yahoo.com'); $length = $response->getHeader('Content-Length'); Header fields that contain multiple values