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Updating README
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Michael Dowling
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README.md
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README.md
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Guzzle, PHP HTTP client and webservice framework
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================================================
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[](https://packagist.org/packages/guzzle/guzzle) [](https://packagist.org/packages/guzzle/guzzle) [](http://travis-ci.org/guzzle/guzzle)
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[](https://packagist.org/packages/guzzle/guzzle)
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[](https://packagist.org/packages/guzzle/guzzle)
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[](http://travis-ci.org/guzzle/guzzle)
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Guzzle is a PHP HTTP client and framework for building RESTful web service clients.
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- Extremely powerful API provides all the power of cURL with a simple interface.
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- Truly take advantage of HTTP/1.1 with persistent connections, connection pooling, and parallel requests.
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- Service description DSL allows you build awesome web service clients faster.
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- Symfony2 event-based plugin system allows you to completely modify the behavior of a request.
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Get answers with: [Documentation](http://www.guzzlephp.org/), [Forums](https://groups.google.com/forum/?hl=en#!forum/guzzle), IRC ([#guzzlephp](irc://irc.freenode.net/#guzzlephp) @ irc.freenode.net)
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Guzzle is a PHP HTTP client that makes it easy to work with HTTP/1.1 and takes
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the pain out of consuming web services.
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```php
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// Really simple using a static facade
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GuzzleHttp\StaticClient::mount();
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$response = Guzzle::get('http://guzzlephp.org');
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// More control using a client class
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$client = new \GuzzleHttp\Client('http://guzzlephp.org');
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$request = $client->get('/');
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$response = $request->send();
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$client = new GuzzleHttp\Client();
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$response = $client->get('http://guzzlephp.org');
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$res = $client->get('https://api.github.com/user', ['auth' => ['user', 'pass']]);
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echo $res->statusCode();
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// 200
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echo $res->getHeader('content-type');
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// 'application/json; charset=utf8'
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echo $res->getBody();
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// {"type":"User"...'
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var_export($res->json());
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// Outputs the JSON decoded data
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```
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- Pluggable HTTP adapters that can send requests serially or in parallel
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- Doesn't require cURL, but uses cURL by default
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- Streams data for both uploads and downloads
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- Provides event hooks & plugins for cookies, caching, logging, OAuth, mocks,
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etc...
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- Keep-Alive & connection pooling
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- SSL Verification
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- Automatic decompression of response bodies
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- Streaming multipart file uploads
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- Connection timeouts
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Get more information and answers with the
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[Documentation](http://guzzlephp.org/),
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[Forums](https://groups.google.com/forum/?hl=en#!forum/guzzle),
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and IRC ([#guzzlephp](irc://irc.freenode.net/#guzzlephp) @ irc.freenode.net).
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### Installing via Composer
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The recommended way to install Guzzle is through [Composer](http://getcomposer.org).
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The recommended way to install Guzzle is through
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[Composer](http://getcomposer.org).
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```bash
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# Install Composer
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curl -sS https://getcomposer.org/installer | php
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# Add Guzzle as a dependency
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php composer.phar require guzzle/guzzle:~3.7
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php composer.phar require guzzle/guzzle:~4
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```
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After installing, you need to require Composer's autoloader:
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@ -41,170 +57,7 @@ After installing, you need to require Composer's autoloader:
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require 'vendor/autoload.php';
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```
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### Installing via phar
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### Documentation
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[Download the phar](http://guzzlephp.org/guzzle.phar) and include it in your project
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([minimal phar](http://guzzlephp.org/guzzle-min.phar))
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Features
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--------
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- Supports GET, HEAD, POST, DELETE, PUT, PATCH, OPTIONS, and any other custom HTTP method
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- Allows full access to request and response headers
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- Persistent connections are implicitly managed by Guzzle, resulting in huge performance benefits
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- [Send requests in parallel](http://guzzlephp.org/tour/http.html#send-http-requests-in-parallel)
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- Cookie sessions can be maintained between requests using the
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[CookiePlugin](http://guzzlephp.org/tour/http.html#cookie-session-plugin)
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- Allows custom [entity bodies](http://guzzlephp.org/tour/http.html#entity-bodies), including sending data from a PHP
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stream and downloading data to a PHP stream
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- Responses can be cached and served from cache using the
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[caching forward proxy plugin](http://guzzlephp.org/tour/http.html#php-based-caching-forward-proxy)
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- Failed requests can be retried using
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[truncated exponential backoff](http://guzzlephp.org/tour/http.html#truncated-exponential-backoff) with custom retry
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policies
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- Entity bodies can be validated automatically using Content-MD5 headers and the
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[MD5 hash validator plugin](http://guzzlephp.org/tour/http.html#md5-hash-validator-plugin)
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- All data sent over the wire can be logged using the
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[LogPlugin](http://guzzlephp.org/tour/http.html#over-the-wire-logging)
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- Subject/Observer signal slot system for unobtrusively
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[modifying request behavior](http://guzzlephp.org/guide/http/creating_plugins.html)
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- Supports all of the features of libcurl including authentication, compression, redirects, SSL, proxies, etc
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- Web service client framework for building future-proof interfaces to web services
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- Includes a [service description DSL](http://guzzlephp.org/guide/service/service_descriptions.html) for quickly
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building webservice clients
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- Full support for [URI templates](http://tools.ietf.org/html/rfc6570)
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- Advanced batching functionality to efficiently send requests or commands in parallel with customizable batch sizes
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and transfer strategies
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HTTP basics
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-----------
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```php
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<?php
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use GuzzleHttp\Client;
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$client = new Client('http://www.example.com/api/v1/key/{key}', [
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'key' => '***'
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]);
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// Issue a path using a relative URL to the client's base URL
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// Sends to http://www.example.com/api/v1/key/***/users
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$request = $client->get('users');
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$response = $request->send();
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// Relative URL that overwrites the path of the base URL
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$request = $client->get('/test/123.php?a=b');
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// Issue a head request on the base URL
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$response = $client->head()->send();
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// Delete user 123
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$response = $client->delete('users/123')->send();
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// Send a PUT request with custom headers
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$response = $client->put('upload/text', [
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'X-Header' => 'My Header'
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], 'body of the request')->send();
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// Send a PUT request using the contents of a PHP stream as the body
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// Send using an absolute URL (overrides the base URL)
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$response = $client->put('http://www.example.com/upload', [
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'X-Header' => 'My Header'
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], fopen('http://www.test.com/', 'r'));
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// Create a POST request with a file upload (notice the @ symbol):
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$request = $client->post('http://localhost:8983/solr/update', null, [
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'custom_field' => 'my value',
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'file' => '@/path/to/documents.xml'
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]);
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// Create a POST request and add the POST files manually
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$request = $client->post('http://localhost:8983/solr/update')
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->addPostFiles(['file' => '/path/to/documents.xml']);
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// Responses are objects
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echo $response->getStatusCode() . ' ' . $response->getReasonPhrase() . "\n";
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// Requests and responses can be cast to a string to show the raw HTTP message
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echo $request . "\n\n" . $response;
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// Create a request based on an HTTP message
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$request = RequestFactory::fromMessage(
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"PUT / HTTP/1.1\r\n" .
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"Host: test.com:8081\r\n" .
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"Content-Type: text/plain" .
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"Transfer-Encoding: chunked\r\n" .
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"\r\n" .
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"this is the body"
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);
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```
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Using the static client facade
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------------------------------
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You can use Guzzle through a static client to make it even easier to send simple HTTP requests.
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```php
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<?php
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// Use the static client directly:
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$response = GuzzleHttp\StaticClient::get('http://www.google.com');
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// Or, mount the client to \Guzzle to make it easier to use
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GuzzleHttp\StaticClient::mount();
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$response = Guzzle::get('http://guzzlephp.org');
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// Custom options can be passed into requests created by the static client
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$response = Guzzle::post('http://guzzlephp.org', [
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'headers' => ['X-Foo' => 'Bar']
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'body' => ['Foo' => 'Bar'],
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'query' => ['Test' => 123],
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'timeout' => 10,
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'debug' => true,
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'save_to' => '/path/to/file.html'
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]);
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```
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### Available request options:
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* headers: Associative array of headers
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* query: Associative array of query string values to add to the request
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* body: Body of a request, including an EntityBody, string, or array when sending POST requests. Setting a body for a
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GET request will set where the response body is downloaded.
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* auth: Array of HTTP authentication parameters to use with the request. The array must contain the
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username in index [0], the password in index [1], and can optionally contain the authentication type in index [2].
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The authentication types are: "Basic", "Digest". The default auth type is "Basic".
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* cookies: Associative array of cookies
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* allow_redirects: Set to false to disable redirects
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* save_to: String, fopen resource, or EntityBody object used to store the body of the response
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* events: Associative array mapping event names to a closure or array of (priority, closure)
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* plugins: Array of plugins to add to the request
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* exceptions: Set to false to disable throwing exceptions on an HTTP level error (e.g. 404, 500, etc)
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* timeout: Float describing the timeout of the request in seconds
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* connect_timeout: Float describing the number of seconds to wait while trying to connect. Use 0 to wait
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indefinitely.
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* verify: Set to true to enable SSL cert validation (the default), false to disable, or supply the path to a CA
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bundle to enable verification using a custom certificate.
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* proxy: Specify an HTTP proxy (e.g. "http://username:password@192.168.16.1:10")
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* debug: Set to true to display all data sent over the wire
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These options can also be used when creating requests using a standard client:
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```php
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$client = new GuzzleHttp\Client();
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// Create a request with a timeout of 10 seconds
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$request = $client->get('http://guzzlephp.org', [], ['timeout' => 10]);
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$response = $request->send();
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```
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Unit testing
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------------
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Guzzle uses PHPUnit for unit testing. In order to run the unit tests, you'll first need
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to install the dependencies of the project using Composer: `php composer.phar install --dev`.
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You can then run the tests using `vendor/bin/phpunit`.
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If you are running the tests with xdebug enabled, you may encounter the following issue: 'Fatal error: Maximum function nesting level of '100' reached, aborting!'. This can be resolved by adding 'xdebug.max_nesting_level = 200' to your php.ini file.
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The PECL extensions, uri_template and pecl_http will be required to ensure all the tests can run.
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More information can be found in the online documentation at
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http://guzzlephp.org/.
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