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3 liveuser 1 
<?php
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namespace Guzzle\Parser\Message;
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/**
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 * Implements shared message parsing functionality
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 */
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abstract class AbstractMessageParser implements MessageParserInterface
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{
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    /**
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     * Create URL parts from HTTP message parts
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     *
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     * @param string $requestUrl Associated URL
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     * @param array  $parts      HTTP message parts
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     *
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     * @return array
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     */
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    protected function getUrlPartsFromMessage($requestUrl, array $parts)
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    {
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        // Parse the URL information from the message
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        $urlParts = array(
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            'path'   => $requestUrl,
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            'scheme' => 'http'
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        );
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        // Check for the Host header
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        if (isset($parts['headers']['Host'])) {
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            $urlParts['host'] = $parts['headers']['Host'];
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        } elseif (isset($parts['headers']['host'])) {
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            $urlParts['host'] = $parts['headers']['host'];
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        } else {
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            $urlParts['host'] = null;
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        }
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        if (false === strpos($urlParts['host'], ':')) {
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            $urlParts['port'] = '';
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        } else {
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            $hostParts = explode(':', $urlParts['host']);
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            $urlParts['host'] = trim($hostParts[0]);
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            $urlParts['port'] = (int) trim($hostParts[1]);
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            if ($urlParts['port'] == 443) {
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                $urlParts['scheme'] = 'https';
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            }
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        }
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        // Check if a query is present
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        $path = $urlParts['path'];
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        $qpos = strpos($path, '?');
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        if ($qpos) {
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            $urlParts['query'] = substr($path, $qpos + 1);
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            $urlParts['path'] = substr($path, 0, $qpos);
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        } else {
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            $urlParts['query'] = '';
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        }
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        return $urlParts;
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    }
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}