1 | <?php
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2 | /**********************************************************************************************
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3 | * AJAX Spell Checker - Version 2.8
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4 | * (C) 2005 - Garrison Locke
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5 | *
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6 | * This spell checker is built in the style of the Gmail spell
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7 | * checker. It uses AJAX to communicate with the backend without
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8 | * requiring the page be reloaded. If you use this code, please
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9 | * give me credit and a link to my site would be nice.
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10 | * http://www.broken-notebook.com.
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11 | *
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12 | * Copyright (c) 2005, Garrison Locke
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13 | * All rights reserved.
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14 | *
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15 | * Redistribution and use in source and binary forms, with or without
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16 | * modification, are permitted provided that the following conditions are met:
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17 | *
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18 | * * Redistributions of source code must retain the above copyright notice,
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19 | * this list of conditions and the following disclaimer.
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20 | * * Redistributions in binary form must reproduce the above copyright notice,
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21 | * this list of conditions and the following disclaimer in the documentation
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22 | * and/or other materials provided with the distribution.
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23 | * * Neither the name of the http://www.broken-notebook.com nor the names of its
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24 | * contributors may be used to endorse or promote products derived from this
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25 | * software without specific prior written permission.
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26 | *
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27 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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28 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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29 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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30 | * IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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31 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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32 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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33 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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34 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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35 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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36 | * OF SUCH DAMAGE.
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37 | *
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38 | ***********************************************************************************************/
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39 |
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40 | // User-configurable list of allowed HTML tags and attributes.
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41 | // Thanks to Jake Olefsky for this little addition
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42 | //$allowed_html = '<strong><small><p><br><a><b><u><i><img><code><ul><ol><li>'; //Removed. Accept alll HTML tags.
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43 |
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44 | // Set the max number of suggestions to return at a time.
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45 | define('MAX_SUGGESTIONS', 50);
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46 |
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47 | // Set whether to use a personal dictionary.
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48 | $usePersonalDict = false;
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49 |
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50 | //Set whether users are allowed to update the personal dictionary.
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51 | $editablePersonalDict = false;
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52 |
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53 | // If using a personal dictionary, set the path to it. Default is in the
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54 | // personal_dictionary subdirectory of the location of spell_checker.php.
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55 | $path_to_personal_dictionary = dirname(__FILE__) . "/personal_dictionary/personal_dictionary.txt";
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56 |
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57 | //If pspell doesn't exist, then include the pspell wrapper for aspell.
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58 | if(!function_exists('pspell_suggest'))
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59 | {
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60 | // Set the path to aspell if you need to use it.
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61 | define('ASPELL_BIN','/usr/bin/aspell');
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62 | require_once ("pspell_comp.php");
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63 | }
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64 |
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65 | // Create and configure a link to the pspell module.
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66 |
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67 | //$pspell_config = pspell_config_create("en");
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68 | pspell_config_mode($pspell_config, PSPELL_FAST);
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69 |
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70 | if($usePersonalDict)
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71 | {
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72 | // Allows the use of a custom dictionary (Thanks to Dylan Thurston for this addition).
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73 | pspell_config_personal($pspell_config, $path_to_personal_dictionary);
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74 | }
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75 |
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76 | //$pspell_link = pspell_new_config($pspell_config);
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77 |
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78 |
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79 | require_once("cpaint/cpaint2.inc.php"); //AJAX library file
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80 |
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81 | $cp = new cpaint();
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82 | $cp->register('showSuggestions');
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83 | $cp->register('spellCheck');
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84 | $cp->register('switchText');
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85 | $cp->register('addWord');
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86 | $cp->start();
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87 | $cp->return_data();
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88 |
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89 |
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90 | /*************************************************************
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91 | * showSuggestions($word, $id)
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92 | *
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93 | * The showSuggestions function creates the list of up to 10
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94 | * suggestions to return for the given misspelled word.
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95 | *
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96 | * $word - The misspelled word that was clicked on
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97 | * $id - The id of the span containing the misspelled word.
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98 | *
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99 | *************************************************************/
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100 | function showSuggestions($word, $id, $language)
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101 | {
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102 | global $editablePersonalDict; //bool to set editability of personal dictionary
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103 | //global $pspell_link; //the global link to the pspell module
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104 | $pspell_link = pspell_new($language);
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105 | global $cp; //the CPAINT object
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106 |
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107 | $retVal = "";
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108 |
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109 |
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110 | $suggestions = pspell_suggest($pspell_link, $word); //an array of all the suggestions that psepll returns for $word.
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111 | $orig = metaphone($word);
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112 |
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113 | $final = array();
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114 |
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115 | foreach($suggestions as $suggestion){
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116 | if(metaphone($suggestion) == $orig){
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117 | array_unshift($final, $suggestion);
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118 | } else {
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119 | array_push($final, $suggestion);
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120 | }
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121 | }
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122 |
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123 | $suggestions = $final;
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124 |
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125 | // If the number of suggestions returned by pspell is less than the maximum
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126 | // number, just use the number of suggestions returned.
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127 | $numSuggestions = count($suggestions);
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128 | $tmpNum = min($numSuggestions, MAX_SUGGESTIONS);
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129 |
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130 | if($numSuggestions > 0)
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131 | {
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132 | //this creates the table of suggestions.
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133 | //in the onclick event it has a call to the replaceWord javascript function which does the actual replacing on the page
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134 | foreach($suggestions as $suggestion)
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135 | {
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136 | $retVal .= "<div style class=\"suggestion\" onclick=\"replaceWord('" . addslashes_custom($id) . "', '" . addslashes(utf8_encode($suggestion)) . "'); return false;\">" . utf8_encode($suggestion) . " </div>";
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137 | }
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138 |
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139 | if($editablePersonalDict)
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140 | {
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141 | $retVal .= "<div class=\"addtoDictionary\" onclick=\"addWord('" . addslashes_custom($id) . "'); return false;\">Add To Dictionary</div>";
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142 | }
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143 |
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144 | //Ignore the suggestion - Added by Nathalie
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145 | $retVal .= "<div class=\"ignore\" onclick=\"ignore('" . addslashes_custom($id) . "', '" . addslashes($word) . "'); return false;\"> Ignorar </div>";
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146 |
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147 |
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148 | }
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149 | else
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150 | {
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151 | $retVal .= "Sem sugestão";
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152 | $retVal .= "<div class=\"ignore\" onclick=\"ignore('" . addslashes_custom($id) . "', '" . addslashes($word) . "'); return false;\"> Ignorar </div>";
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153 | }
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154 |
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155 | $cp->set_data($retVal); //the return value - a string containing the table of suggestions.
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156 |
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157 | } // end showSuggestions
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158 |
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159 |
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160 | /*************************************************************
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161 | * spellCheck($string)
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162 | *
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163 | * The spellCheck function takes the string of text entered
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164 | * in the text box and spell checks it. It splits the text
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165 | * on anything inside of < > in order to prevent html from being
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166 | * spell checked. Then any text is split on spaces so that only
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167 | * one word is spell checked at a time. This creates a multidimensional
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168 | * array. The array is flattened. The array is looped through
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169 | * ignoring the html lines and spell checking the others. If a word
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170 | * is misspelled, code is wrapped around it to highlight it and to
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171 | * make it clickable to show the user the suggestions for that
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172 | * misspelled word.
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173 | *
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174 | * $string - The string of text from the text box that is to be
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175 | * spell checked.
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176 | *
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177 | *************************************************************/
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178 | function spellCheck($string, $varName, $language, $browser)
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179 | {
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180 | //replace href for href# to block the redirection - Nathalie
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181 | $string = str_replace("href=\"", "href=\"#", $string);
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182 | $string = str_replace("href='", "href='#", $string);
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183 |
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184 | $string = utf8_decode($string);
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185 |
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186 | //global $pspell_link; //the global link to the pspell module
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187 | $pspell_link = pspell_new($language);
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188 | global $cp; //the CPAINT object
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189 | $retVal = "";
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190 |
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191 | $string = stripslashes_custom($string); //we only need to strip slashes if magic quotes are on
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192 |
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193 | $string = remove_word_junk($string);
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194 |
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195 | //make all the returns in the text look the same
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196 | $string = preg_replace("/\r?\n/", "\n", $string);
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197 |
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198 | //splits the string on any html tags, preserving the tags and putting them in the $words array
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199 | $words = preg_split('/(<[^<>]*>)/', $string, -1, PREG_SPLIT_DELIM_CAPTURE);
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200 |
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201 | $numResults = count($words); //the number of elements in the array.
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202 |
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203 | $misspelledCount = 0;
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204 |
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205 |
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206 | /* There is a problem with innerHTML of IE browsers - It removes the spaces.
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207 | * If there are two misspelled words side by side, it makes then together (no space
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208 | * between then). This will be checked using this variable.
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209 | * */
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210 | $difference = 0;
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211 |
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212 | //this loop looks through the words array and splits any lines of text that aren't html tags on space, preserving the spaces.
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213 | for($i=0; $i<$numResults; $i++){
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214 | // Words alternate between real words and html tags, starting with words.
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215 | if(($i & 1) == 0) // Even-numbered entries are word sets.
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216 | {
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217 | $words[$i] = preg_split('/(\s+|\ )/', $words[$i], -1, PREG_SPLIT_DELIM_CAPTURE); //then split it on the spaces
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218 |
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219 | // Now go through each word and link up the misspelled ones.
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220 | $numWords = count($words[$i]);
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221 | for($j=0; $j<$numWords; $j++)
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222 | {
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223 | // $word = utf8_decode($words[$i][$j]);
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224 | $word = $words[$i][$j];
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225 | $reg_expr = utf8_decode('A-Záà âãÀéÚêëÃìïîóòÎõöúùûÌÜÿçñÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ');
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226 |
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227 | // $reg_expr = 'A-Záà âãÀéÚêëÃìïîóòÎõöúùûÌÜÿçñÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ';
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228 | preg_match("/[$reg_expr]*/i", $word , $tmp); //get the word that is in the array slot $i
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229 |
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230 | $tmpWord = $tmp[0]; //should only have one element in the array anyway, so it's just assign it to $tmpWord
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231 | // $words[$i][$j] = utf8_decode($words[$i][$j]);
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232 | //
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233 | //And we replace the word in the array with the span that highlights it and gives it an onClick parameter to show the suggestions.
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234 | if(!pspell_check($pspell_link, $tmpWord)) // Adicionar Nathalie
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235 | {
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236 | $onClick = "onclick=\"setCurrentObject(" . $varName . "); showSuggestions('" . addslashes($tmpWord) . "', '" . $varName . "_" . $misspelledCount . "_" . addslashes($tmpWord) . "'); return false;\"";
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237 |
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238 | $difference = $misspelledCount + 1;
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239 | if (($difference - $misspelledCount) == 1 and $browser == "ie") //if IE, adds a html space before Span tag
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240 | $words[$i][$j] = str_replace($tmpWord, "<span " . $onClick . " id=\"" . $varName . "_" . $misspelledCount . "_" . $tmpWord . "\" class=\"highlight\">" . stripslashes($tmpWord) . "</span>", $words[$i][$j]);
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241 | else
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242 | $words[$i][$j] = str_replace($tmpWord, "<span " . $onClick . " id=\"" . $varName . "_" . $misspelledCount . "_" . $tmpWord . "\" class=\"highlight\">" . stripslashes($tmpWord) . "</span>", $words[$i][$j]);
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243 |
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244 | $misspelledCount++;
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245 |
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246 | }
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247 |
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248 | $words[$i][$j] = str_replace("\n", "<br />", $words[$i][$j]); //replace any breaks with <br />'s, for html display
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249 |
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250 | }//end for $j
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251 | }//end if
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252 |
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253 | else //otherwise, we wrap all the html tags in comments to make them not displayed
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254 | {
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255 | $words[$i] = str_replace("<", "<!--<", $words[$i]);
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256 | $words[$i] = str_replace(">", ">-->", $words[$i]);
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257 | }
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258 | }//end for $i
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259 |
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260 | $words = flattenArray($words); //flatten the array to be one dimensional.
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261 | $numResults = count($words); //the number of elements in the array after it's been flattened.
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262 |
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263 | $string = ""; //return string
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264 |
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265 | //if there were no misspellings, start the string with a 0.
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266 | if($misspelledCount == 0)
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267 | {
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268 | $string = "0";
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269 | }
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270 |
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271 | else //else, there were misspellings, start the string with a 1.
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272 | {
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273 | $string = "1";
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274 | }
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275 |
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276 | // Concatenate all the words/tags/etc. back into a string and append it to the result.
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277 | $string .= implode('', $words);
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278 |
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279 | $string = preg_replace("/<!--</i", "<", $string); //Retira os comentários das tags HTML
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280 | $string = preg_replace("/>-->/i", ">", $string);
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281 |
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282 | //$cp->set_data(utf8_encode($string)); //return value - string containing all the markup for the misspelled words.
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283 | //$cp->basenode->set_enconding('ISO-8859-1');
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284 |
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285 | // echo $string;
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286 | $cp->set_encoding('ISO-8859-1');
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287 | $cp->set_data($string);
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288 |
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289 | } // end spellCheck
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290 |
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291 |
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292 | /*************************************************************
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293 | * addWord($str)
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294 | *
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295 | * This function adds a word to the custom dictionary
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296 | *
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297 | * @param $str The word to be added
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298 | *************************************************************/
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299 | function addWord($str)
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300 | {
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301 | global $editablePersonalDict;
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302 | //global $pspell_link; //the global link to the pspell module
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303 | $pspell_link = pspell_new("pt_BR");
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304 | global $cp; //the CPAINT object
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305 | $retVal = "";
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306 | pspell_add_to_personal($pspell_link, $str);
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307 | if($editablePersonalDict && pspell_save_wordlist($pspell_link))
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308 | {
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309 | $retVal = "Save successful!";
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310 | }
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311 |
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312 | else
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313 | {
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314 | $retVal = "Save Failed!";
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315 | }
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316 |
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317 | $cp->set_data($retVal);
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318 | } // end addWord
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319 |
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320 |
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321 |
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322 | /*************************************************************
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323 | * flattenArray($array)
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324 | *
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325 | * The flattenArray function is a recursive function that takes a
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326 | * multidimensional array and flattens it to be a one-dimensional
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327 | * array. The one-dimensional flattened array is returned.
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328 | *
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329 | * $array - The array to be flattened.
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330 | *
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331 | *************************************************************/
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332 | function flattenArray($array)
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333 | {
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334 | $flatArray = array();
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335 | foreach($array as $subElement)
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336 | {
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337 | if(is_array($subElement))
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338 | {
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339 | $flatArray = array_merge($flatArray, flattenArray($subElement));
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340 | }
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341 | else
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342 | {
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343 | $flatArray[] = $subElement;
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344 | }
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345 | }
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346 |
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347 | return $flatArray;
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348 | } // end flattenArray
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349 |
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350 |
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351 | /*************************************************************
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352 | * stripslashes_custom($string)
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353 | *
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354 | * This is a custom stripslashes function that only strips
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355 | * the slashes if magic quotes are on. This is written for
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356 | * compatibility with other servers in the event someone doesn't
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357 | * have magic quotes on.
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358 | *
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359 | * $string - The string that might need the slashes stripped.
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360 | *
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361 | *************************************************************/
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362 | function stripslashes_custom($string)
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363 | {
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364 | if(get_magic_quotes_gpc())
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365 | {
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366 | return stripslashes($string);
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367 | }
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368 | else
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369 | {
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370 | return $string;
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371 | }
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372 | } // end stripslashes_custom
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373 |
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374 | /*************************************************************
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375 | * addslashes_custom($string)
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376 | *
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377 | * This is a custom addslashes function that only adds
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378 | * the slashes if magic quotes are off. This is written for
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379 | * compatibility with other servers in the event someone doesn't
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380 | * have magic quotes on.
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381 | *
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382 | * $string - The string that might need the slashes added.
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383 | *
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384 | *************************************************************/
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385 | function addslashes_custom($string)
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386 | {
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387 | if(!get_magic_quotes_gpc())
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388 | {
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389 | return addslashes($string);
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390 | }
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391 | else
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392 | {
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393 | return $string;
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394 | }
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395 | } // end addslashes_custom
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396 |
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397 |
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398 | /*************************************************************
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399 | * remove_word_junk($t)
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400 | *
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401 | * This function strips out all the crap that Word tries to
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402 | * add to it's text in the even someone pastes in code from
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403 | * Word.
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404 | *
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405 | * $t - The text to be cleaned
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406 | *
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407 | *************************************************************/
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408 | function remove_word_junk($t)
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409 | {
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410 | $a=array(
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411 | "\xe2\x80\x9c"=>'"',
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412 | "\xe2\x80\x9d"=>'"',
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413 | "\xe2\x80\x99"=>"'",
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414 | "\xe2\x80\xa6"=>"...",
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415 | "\xe2\x80\x98"=>"'",
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416 | "\xe2\x80\x94"=>"---",
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417 | "\xe2\x80\x93"=>"--",
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418 | "\x85"=>"...",
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419 | "\221"=>"'",
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420 | "\222"=>"'",
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421 | "\223"=>'"',
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422 | "\224"=>'"',
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423 | "\x97"=>"---",
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424 | "\x96"=>"--"
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425 | );
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426 |
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427 | foreach($a as $k=>$v){
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428 | $oa[]=$k;
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429 | $ra[]=$v;
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430 | }
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431 |
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432 | $t=trim(str_replace($oa,$ra,$t));
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433 | return $t;
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434 |
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435 | } // end remove_word_junk
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436 |
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437 |
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438 | /*************************************************************
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439 | * switchText($string)
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440 | *
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441 | * This function prepares the text to be sent back to the text
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442 | * box from the div. The comments are removed and breaks are
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443 | * converted back into \n's. All the html tags that the user
|
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444 | * might have entered that aren't on the approved list:
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445 | * <p><br><a><b><strong><i><small><ul><li> are stripped out.
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446 | * The user-entered returns have already been replaced with
|
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447 | * $u2026 so that they can be preserved. I replace all the
|
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448 | * \n's that might have been added by the browser (Firefox does
|
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449 | * this in trying to pretty up the HTML) with " " so that
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450 | * everything will look the way it did when the user typed it
|
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451 | * in the box the first time.
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452 | *
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453 | * $string - The string of html from the div that will be sent
|
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454 | * back to the text box.
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455 | *
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456 | *************************************************************/
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457 | function switchText($string)
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458 | {
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459 |
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460 | $string = utf8_decode($string);
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461 |
|
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462 | global $allowed_html;
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463 | global $cp; //the CPAINT object
|
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464 | $string = remove_word_junk($string);
|
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465 | $string = preg_replace("/<!--/", "", $string);
|
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466 | $string = preg_replace("/-->/", "", $string);
|
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467 | $string = preg_replace("/\r?\n/", " ", $string);
|
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468 | $string = stripslashes_custom($string); //we only need to strip slashes if magic quotes are on
|
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469 | //$string = strip_tags($string, $allowed_html); //Removed. Accept all HTML tags.
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470 | $string = preg_replace('{</?span.*?>}i', '', $string);
|
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471 |
|
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472 | //$string = html_entity_decode($string);
|
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473 |
|
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474 |
|
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475 |
|
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476 |
|
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477 | $cp->set_encoding('ISO-8859-1');
|
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478 | $cp->set_data($string); //the return value
|
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479 |
|
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480 |
|
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481 | } // end switchText
|
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482 |
|
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483 | ?>
|
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