PHP Classes

HTTP Retriever: HTTP client to access Web servers

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httpretriever 1.0.0GNU General Publi...Networking, HTTP
Description 

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This class can be used to access Web servers using the HTTP protocol.

It supports:

- HTTP specification version 1.1
- Submit HTTP requests of method GET, POST or custom
- Access sites via SSL using PHP OpenSSL extension or CURL
- HTTP basic authentication
- Handle redirection automatically
- Cache retrieved pages for a given period
- Invoke callback functions during the connection progress

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HTTP Retriever Version v1.1.7 Copyright 2004-2006, Steve Blinch http://code.blitzaffe.com ============================================================================ DESCRIPTION Provides a pure-PHP implementation of an HTTP v1.1 client, including support for chunked transfer encoding and user agent spoofing. Both GET and POST requests are supported. This can be used in place of something like CURL or WGET for HTTP requests. Native SSL (HTTPS) requests are also supported if the OpenSSL extension is installed under PHP v4.3.0 or greater. If native SSL support is not available, the class will also check for the CURL extension; if it's installed, it will transparently be used for SSL (HTTPS) requests. If neither native SSL support nor the CURL extension are available, and libcurlemu (a CURL emulation library available from our web site) is found, the class will also check for the CURL console binary (usually in /usr/bin/curl); if it's installed, it will transparently be used for SSL requests. In short, if it's possible to make an HTTP/HTTPS request from your server, this class can most likely do it. HISTORY 1.1.7 (18-Apr-2006) - Added support for automatically following HTTP redirects - Added ::get_error() method to get any available error message (be it an HTTP result error or an internal/connection error) - Added ::cache_hit variable to determine whether the page was cached 1.1.6 (04-Mar-2006) - Added stream_timeout class variable. - Added progress_callback class variable. - Added support for braindead servers that ignore Connection: close EXAMPLE // HTTPRetriever usage example require_once("class_HTTPRetriever.php"); $http = &new HTTPRetriever(); // Example GET request: // ---------------------------------------------------------------------------- $keyword = "blitzaffe code"; // search Google for this keyword if (!$http->get("http://www.google.com/search?hl=en&q=%22".urlencode($keyword)."%22&btnG=Search&meta=")) { echo "HTTP request error: #{$http->result_code}: {$http->result_text}"; return false; } echo "HTTP response headers:<br><pre>"; var_dump($http->response_headers); echo "</pre><br>"; echo "Page content:<br><pre>"; echo $http->response; echo "</pre>"; // ---------------------------------------------------------------------------- // Example POST request: // ---------------------------------------------------------------------------- $keyword = "blitzaffe code"; // search Google for this keyword $values = array( "hl"=>"en", "q"=>"%22".urlencode($keyword)."%22", "btnG"=>"Search", "meta"=>"" ); // Note: This example is just to demonstrate the POST equivalent of the GET // example above; running this script will return a 501 Not Implemented, as // Google does not support POST requests. if (!$http->post("http://www.google.com/search",$http->make_query_string($values))) { echo "HTTP request error: #{$http->result_code}: {$http->result_text}"; return false; } echo "HTTP response headers:<br><pre>"; var_dump($http->response_headers); echo "</pre><br>"; echo "Page content:<br><pre>"; echo $http->response; echo "</pre>"; // ---------------------------------------------------------------------------- LICENSE This script is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This script is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this script; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

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Plain text file class_HTTPRetriever.php Class Main HTTPRetriever class
Accessible without login Plain text file example.php Example Example script
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