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							552 lines
						
					
					
						
							14 KiB
						
					
					
				
			
		
		
	
	
							552 lines
						
					
					
						
							14 KiB
						
					
					
				<?php
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/**
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 *  base include file for SimpleTest
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 *  @package    SimpleTest
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 *  @subpackage WebTester
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 *  @version    $Id: encoding.php 1723 2008-04-08 00:34:10Z lastcraft $
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 */
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/**#@+
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 *  include other SimpleTest class files
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 */
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require_once(dirname(__FILE__) . '/socket.php');
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/**#@-*/
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/**
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 *    Single post parameter.
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 *    @package SimpleTest
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 *    @subpackage WebTester
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 */
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class SimpleEncodedPair {
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    var $_key;
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    var $_value;
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    /**
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     *    Stashes the data for rendering later.
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     *    @param string $key       Form element name.
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     *    @param string $value     Data to send.
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     */
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    function SimpleEncodedPair($key, $value) {
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        $this->_key = $key;
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        $this->_value = $value;
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    }
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    /**
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     *    The pair as a single string.
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     *    @return string        Encoded pair.
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     *    @access public
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     */
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    function asRequest() {
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        return urlencode($this->_key) . '=' . urlencode($this->_value);
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    }
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    /**
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     *    The MIME part as a string.
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     *    @return string        MIME part encoding.
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     *    @access public
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     */
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    function asMime() {
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        $part = 'Content-Disposition: form-data; ';
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        $part .= "name=\"" . $this->_key . "\"\r\n";
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        $part .= "\r\n" . $this->_value;
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        return $part;
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    }
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    /**
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     *    Is this the value we are looking for?
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     *    @param string $key    Identifier.
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     *    @return boolean       True if matched.
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     *    @access public
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     */
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    function isKey($key) {
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        return $key == $this->_key;
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    }
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    /**
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     *    Is this the value we are looking for?
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     *    @return string       Identifier.
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     *    @access public
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     */
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    function getKey() {
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        return $this->_key;
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    }
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    /**
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     *    Is this the value we are looking for?
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     *    @return string       Content.
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     *    @access public
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     */
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    function getValue() {
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        return $this->_value;
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    }
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}
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/**
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 *    Single post parameter.
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 *    @package SimpleTest
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 *    @subpackage WebTester
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 */
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class SimpleAttachment {
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    var $_key;
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    var $_content;
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    var $_filename;
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    /**
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     *    Stashes the data for rendering later.
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     *    @param string $key          Key to add value to.
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     *    @param string $content      Raw data.
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     *    @param hash $filename       Original filename.
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     */
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    function SimpleAttachment($key, $content, $filename) {
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        $this->_key = $key;
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        $this->_content = $content;
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        $this->_filename = $filename;
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    }
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    /**
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     *    The pair as a single string.
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     *    @return string        Encoded pair.
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     *    @access public
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     */
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    function asRequest() {
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        return '';
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    }
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    /**
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     *    The MIME part as a string.
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     *    @return string        MIME part encoding.
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     *    @access public
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     */
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    function asMime() {
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        $part = 'Content-Disposition: form-data; ';
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        $part .= 'name="' . $this->_key . '"; ';
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        $part .= 'filename="' . $this->_filename . '"';
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        $part .= "\r\nContent-Type: " . $this->_deduceMimeType();
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        $part .= "\r\n\r\n" . $this->_content;
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        return $part;
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    }
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    /**
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     *    Attempts to figure out the MIME type from the
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     *    file extension and the content.
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     *    @return string        MIME type.
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     *    @access private
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     */
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    function _deduceMimeType() {
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        if ($this->_isOnlyAscii($this->_content)) {
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            return 'text/plain';
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        }
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        return 'application/octet-stream';
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    }
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    /**
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     *    Tests each character is in the range 0-127.
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     *    @param string $ascii    String to test.
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     *    @access private
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     */
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    function _isOnlyAscii($ascii) {
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        for ($i = 0, $length = strlen($ascii); $i < $length; $i++) {
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            if (ord($ascii[$i]) > 127) {
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                return false;
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            }
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        }
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        return true;
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    }
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    /**
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     *    Is this the value we are looking for?
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     *    @param string $key    Identifier.
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     *    @return boolean       True if matched.
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     *    @access public
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     */
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    function isKey($key) {
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        return $key == $this->_key;
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    }
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    /**
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     *    Is this the value we are looking for?
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     *    @return string       Identifier.
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     *    @access public
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     */
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    function getKey() {
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        return $this->_key;
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    }
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    /**
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     *    Is this the value we are looking for?
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     *    @return string       Content.
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     *    @access public
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     */
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    function getValue() {
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        return $this->_filename;
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    }
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}
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/**
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 *    Bundle of GET/POST parameters. Can include
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 *    repeated parameters.
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 *    @package SimpleTest
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 *    @subpackage WebTester
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 */
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class SimpleEncoding {
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    var $_request;
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    /**
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     *    Starts empty.
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     *    @param array $query       Hash of parameters.
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     *                              Multiple values are
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     *                              as lists on a single key.
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     *    @access public
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     */
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    function SimpleEncoding($query = false) {
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        if (! $query) {
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            $query = array();
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        }
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        $this->clear();
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        $this->merge($query);
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    }
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    /**
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     *    Empties the request of parameters.
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     *    @access public
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     */
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    function clear() {
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        $this->_request = array();
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    }
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    /**
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     *    Adds a parameter to the query.
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     *    @param string $key            Key to add value to.
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     *    @param string/array $value    New data.
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     *    @access public
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     */
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    function add($key, $value) {
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        if ($value === false) {
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            return;
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        }
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        if (is_array($value)) {
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            foreach ($value as $item) {
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                $this->_addPair($key, $item);
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            }
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        } else {
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            $this->_addPair($key, $value);
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        }
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    }
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    /**
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     *    Adds a new value into the request.
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     *    @param string $key            Key to add value to.
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     *    @param string/array $value    New data.
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     *    @access private
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     */
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    function _addPair($key, $value) {
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        $this->_request[] = new SimpleEncodedPair($key, $value);
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    }
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    /**
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     *    Adds a MIME part to the query. Does nothing for a
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     *    form encoded packet.
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     *    @param string $key          Key to add value to.
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     *    @param string $content      Raw data.
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     *    @param hash $filename       Original filename.
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     *    @access public
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     */
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    function attach($key, $content, $filename) {
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        $this->_request[] = new SimpleAttachment($key, $content, $filename);
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    }
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    /**
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     *    Adds a set of parameters to this query.
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     *    @param array/SimpleQueryString $query  Multiple values are
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     *                                           as lists on a single key.
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     *    @access public
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     */
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    function merge($query) {
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        if (is_object($query)) {
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            $this->_request = array_merge($this->_request, $query->getAll());
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        } elseif (is_array($query)) {
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            foreach ($query as $key => $value) {
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                $this->add($key, $value);
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            }
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        }
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    }
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    /**
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     *    Accessor for single value.
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     *    @return string/array    False if missing, string
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     *                            if present and array if
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     *                            multiple entries.
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     *    @access public
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     */
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    function getValue($key) {
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        $values = array();
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        foreach ($this->_request as $pair) {
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            if ($pair->isKey($key)) {
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                $values[] = $pair->getValue();
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            }
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        }
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        if (count($values) == 0) {
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            return false;
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        } elseif (count($values) == 1) {
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            return $values[0];
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        } else {
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            return $values;
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        }
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    }
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    /**
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     *    Accessor for listing of pairs.
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     *    @return array        All pair objects.
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     *    @access public
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     */
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    function getAll() {
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        return $this->_request;
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    }
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    /**
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     *    Renders the query string as a URL encoded
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     *    request part.
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     *    @return string        Part of URL.
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     *    @access protected
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     */
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    function _encode() {
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        $statements = array();
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        foreach ($this->_request as $pair) {
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            if ($statement = $pair->asRequest()) {
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                $statements[] = $statement;
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            }
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        }
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        return implode('&', $statements);
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    }
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}
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/**
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 *    Bundle of GET parameters. Can include
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 *    repeated parameters.
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 *    @package SimpleTest
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 *    @subpackage WebTester
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 */
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class SimpleGetEncoding extends SimpleEncoding {
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    /**
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     *    Starts empty.
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     *    @param array $query       Hash of parameters.
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     *                              Multiple values are
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     *                              as lists on a single key.
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     *    @access public
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     */
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    function SimpleGetEncoding($query = false) {
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        $this->SimpleEncoding($query);
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    }
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    /**
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     *    HTTP request method.
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     *    @return string        Always GET.
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     *    @access public
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     */
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    function getMethod() {
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        return 'GET';
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    }
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    /**
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     *    Writes no extra headers.
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     *    @param SimpleSocket $socket        Socket to write to.
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     *    @access public
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     */
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    function writeHeadersTo(&$socket) {
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    }
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    /**
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     *    No data is sent to the socket as the data is encoded into
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     *    the URL.
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     *    @param SimpleSocket $socket        Socket to write to.
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     *    @access public
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     */
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    function writeTo(&$socket) {
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    }
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    /**
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     *    Renders the query string as a URL encoded
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     *    request part for attaching to a URL.
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     *    @return string        Part of URL.
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     *    @access public
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     */
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    function asUrlRequest() {
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        return $this->_encode();
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    }
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}
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/**
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 *    Bundle of URL parameters for a HEAD request.
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 *    @package SimpleTest
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 *    @subpackage WebTester
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 */
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class SimpleHeadEncoding extends SimpleGetEncoding {
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    /**
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     *    Starts empty.
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     *    @param array $query       Hash of parameters.
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     *                              Multiple values are
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     *                              as lists on a single key.
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     *    @access public
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     */
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    function SimpleHeadEncoding($query = false) {
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        $this->SimpleGetEncoding($query);
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    }
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    /**
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     *    HTTP request method.
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     *    @return string        Always HEAD.
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     *    @access public
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     */
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    function getMethod() {
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        return 'HEAD';
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    }
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}
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/**
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 *    Bundle of POST parameters. Can include
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 *    repeated parameters.
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 *    @package SimpleTest
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 *    @subpackage WebTester
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 */
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class SimplePostEncoding extends SimpleEncoding {
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    /**
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     *    Starts empty.
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     *    @param array $query       Hash of parameters.
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     *                              Multiple values are
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     *                              as lists on a single key.
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     *    @access public
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     */
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    function SimplePostEncoding($query = false) {
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        if (is_array($query) and $this->hasMoreThanOneLevel($query)) {
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            $query = $this->rewriteArrayWithMultipleLevels($query);
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        }
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        $this->SimpleEncoding($query);
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    }
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    function hasMoreThanOneLevel($query) {
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        foreach ($query as $key => $value) {
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            if (is_array($value)) {
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                return true;
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            }
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        }
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        return false;
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    }
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    function rewriteArrayWithMultipleLevels($query) {
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        $query_ = array();
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        foreach ($query as $key => $value) {
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						|
            if (is_array($value)) {
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                foreach ($value as $sub_key => $sub_value) {
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                    $query_[$key."[".$sub_key."]"] = $sub_value;
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                }
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            } else {
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                $query_[$key] = $value;
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            }
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        }
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        if ($this->hasMoreThanOneLevel($query_)) {
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            $query_ = $this->rewriteArrayWithMultipleLevels($query_);
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        }
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        return $query_;
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    }
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    /**
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     *    HTTP request method.
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     *    @return string        Always POST.
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     *    @access public
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     */
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    function getMethod() {
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        return 'POST';
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						|
    }
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						|
 | 
						|
    /**
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						|
     *    Dispatches the form headers down the socket.
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						|
     *    @param SimpleSocket $socket        Socket to write to.
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     *    @access public
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     */
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    function writeHeadersTo(&$socket) {
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        $socket->write("Content-Length: " . (integer)strlen($this->_encode()) . "\r\n");
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        $socket->write("Content-Type: application/x-www-form-urlencoded\r\n");
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    }
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    /**
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						|
     *    Dispatches the form data down the socket.
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						|
     *    @param SimpleSocket $socket        Socket to write to.
 | 
						|
     *    @access public
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     */
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    function writeTo(&$socket) {
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        $socket->write($this->_encode());
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    }
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 | 
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    /**
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						|
     *    Renders the query string as a URL encoded
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						|
     *    request part for attaching to a URL.
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						|
     *    @return string        Part of URL.
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						|
     *    @access public
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     */
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    function asUrlRequest() {
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        return '';
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    }
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}
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/**
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 *    Bundle of POST parameters in the multipart
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 *    format. Can include file uploads.
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						|
 *    @package SimpleTest
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 *    @subpackage WebTester
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 */
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class SimpleMultipartEncoding extends SimplePostEncoding {
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    var $_boundary;
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    /**
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     *    Starts empty.
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     *    @param array $query       Hash of parameters.
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     *                              Multiple values are
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     *                              as lists on a single key.
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     *    @access public
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     */
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    function SimpleMultipartEncoding($query = false, $boundary = false) {
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        $this->SimplePostEncoding($query);
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        $this->_boundary = ($boundary === false ? uniqid('st') : $boundary);
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    }
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    /**
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     *    Dispatches the form headers down the socket.
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     *    @param SimpleSocket $socket        Socket to write to.
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     *    @access public
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     */
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    function writeHeadersTo(&$socket) {
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        $socket->write("Content-Length: " . (integer)strlen($this->_encode()) . "\r\n");
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        $socket->write("Content-Type: multipart/form-data, boundary=" . $this->_boundary . "\r\n");
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    }
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    /**
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     *    Dispatches the form data down the socket.
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     *    @param SimpleSocket $socket        Socket to write to.
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     *    @access public
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     */
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    function writeTo(&$socket) {
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        $socket->write($this->_encode());
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    }
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    /**
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     *    Renders the query string as a URL encoded
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     *    request part.
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     *    @return string        Part of URL.
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     *    @access public
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     */
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    function _encode() {
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        $stream = '';
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        foreach ($this->_request as $pair) {
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            $stream .= "--" . $this->_boundary . "\r\n";
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            $stream .= $pair->asMime() . "\r\n";
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        }
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        $stream .= "--" . $this->_boundary . "--\r\n";
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        return $stream;
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    }
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}
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?>
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