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SolrPhpClient/Apache/Solr/HttpTransport/FileGetContents.php
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SolrPhpClient/Apache/Solr/HttpTransport/FileGetContents.php
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<?php
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/**
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* Copyright (c) 2007-2011, Servigistics, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* - Neither the name of Servigistics, Inc. nor the names of
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* its contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* @copyright Copyright 2007-2011 Servigistics, Inc. (http://servigistics.com)
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* @license http://solr-php-client.googlecode.com/svn/trunk/COPYING New BSD
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* @version $Id: $
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*
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* @package Apache
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* @subpackage Solr
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* @author Donovan Jimenez <djimenez@conduit-it.com>
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*/
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// Require Apache_Solr_HttpTransport_Abstract
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require_once(dirname(__FILE__) . '/Abstract.php');
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/**
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* HTTP Transport implemenation that uses the builtin http URL wrappers and file_get_contents
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*/
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class Apache_Solr_HttpTransport_FileGetContents extends Apache_Solr_HttpTransport_Abstract
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{
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/**
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* SVN Revision meta data for this class
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*/
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const SVN_REVISION = '$Revision: $';
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/**
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* SVN ID meta data for this class
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*/
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const SVN_ID = '$Id: $';
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/**
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* Reusable stream context resources for GET and POST operations
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*
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* @var resource
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*/
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private $_getContext, $_headContext, $_postContext;
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/**
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* Initializes our reuseable get and post stream contexts
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*/
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public function __construct()
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{
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$this->_getContext = stream_context_create();
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$this->_headContext = stream_context_create();
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$this->_postContext = stream_context_create();
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}
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public function performGetRequest($url, $timeout = false)
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{
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// set the timeout if specified
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if ($timeout !== FALSE && $timeout > 0.0)
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{
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// timeouts with file_get_contents seem to need
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// to be halved to work as expected
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$timeout = (float) $timeout / 2;
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stream_context_set_option($this->_getContext, 'http', 'timeout', $timeout);
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}
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else
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{
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// use the default timeout pulled from default_socket_timeout otherwise
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stream_context_set_option($this->_getContext, 'http', 'timeout', $this->getDefaultTimeout());
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}
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// $http_response_headers will be updated by the call to file_get_contents later
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// see http://us.php.net/manual/en/wrappers.http.php for documentation
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// Unfortunately, it will still create a notice in analyzers if we don't set it here
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$http_response_header = null;
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$responseBody = @file_get_contents($url, false, $this->_getContext);
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return $this->_getResponseFromParts($responseBody, $http_response_header);
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}
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public function performHeadRequest($url, $timeout = false)
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{
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stream_context_set_option($this->_headContext, array(
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'http' => array(
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// set HTTP method
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'method' => 'HEAD',
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// default timeout
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'timeout' => $this->getDefaultTimeout()
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)
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)
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);
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// set the timeout if specified
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if ($timeout !== FALSE && $timeout > 0.0)
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{
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// timeouts with file_get_contents seem to need
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// to be halved to work as expected
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$timeout = (float) $timeout / 2;
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stream_context_set_option($this->_headContext, 'http', 'timeout', $timeout);
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}
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// $http_response_headers will be updated by the call to file_get_contents later
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// see http://us.php.net/manual/en/wrappers.http.php for documentation
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// Unfortunately, it will still create a notice in analyzers if we don't set it here
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$http_response_header = null;
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$responseBody = @file_get_contents($url, false, $this->_headContext);
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return $this->_getResponseFromParts($responseBody, $http_response_header);
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}
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public function performPostRequest($url, $rawPost, $contentType, $timeout = false)
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{
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stream_context_set_option($this->_postContext, array(
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'http' => array(
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// set HTTP method
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'method' => 'POST',
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// Add our posted content type
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'header' => "Content-Type: $contentType",
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// the posted content
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'content' => $rawPost,
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// default timeout
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'timeout' => $this->getDefaultTimeout()
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)
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)
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);
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// set the timeout if specified
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if ($timeout !== FALSE && $timeout > 0.0)
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{
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// timeouts with file_get_contents seem to need
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// to be halved to work as expected
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$timeout = (float) $timeout / 2;
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stream_context_set_option($this->_postContext, 'http', 'timeout', $timeout);
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}
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// $http_response_header will be updated by the call to file_get_contents later
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// see http://us.php.net/manual/en/wrappers.http.php for documentation
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// Unfortunately, it will still create a notice in analyzers if we don't set it here
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$http_response_header = null;
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$responseBody = @file_get_contents($url, false, $this->_postContext);
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// reset content of post context to reclaim memory
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stream_context_set_option($this->_postContext, 'http', 'content', '');
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return $this->_getResponseFromParts($responseBody, $http_response_header);
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}
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private function _getResponseFromParts($rawResponse, $httpHeaders)
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{
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//Assume 0, false as defaults
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$status = 0;
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$contentType = false;
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//iterate through headers for real status, type, and encoding
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if (is_array($httpHeaders) && count($httpHeaders) > 0)
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{
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//look at the first headers for the HTTP status code
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//and message (errors are usually returned this way)
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//
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//HTTP 100 Continue response can also be returned before
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//the REAL status header, so we need look until we find
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//the last header starting with HTTP
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//
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//the spec: http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.1
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//
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//Thanks to Daniel Andersson for pointing out this oversight
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while (isset($httpHeaders[0]) && substr($httpHeaders[0], 0, 4) == 'HTTP')
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{
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// we can do a intval on status line without the "HTTP/1.X " to get the code
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$status = intval(substr($httpHeaders[0], 9));
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// remove this from the headers so we can check for more
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array_shift($httpHeaders);
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}
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//Look for the Content-Type response header and determine type
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//and encoding from it (if possible - such as 'Content-Type: text/plain; charset=UTF-8')
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foreach ($httpHeaders as $header)
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{
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// look for the header that starts appropriately
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if (strncasecmp($header, 'Content-Type:', 13) == 0)
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{
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$contentType = substr($header, 13);
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break;
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}
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}
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}
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return new Apache_Solr_HttpTransport_Response($status, $contentType, $rawResponse);
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}
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}
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