1 | <?php |
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2 | /** |
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3 | * The Strangecode Codebase - a general application development framework for PHP |
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4 | * For details visit the project site: <http://trac.strangecode.com/codebase/> |
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5 | * Copyright 2001-2009 Strangecode Internet Consultancy |
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6 | * |
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7 | * This file is part of The Strangecode Codebase. |
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8 | * |
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9 | * The Strangecode Codebase is free software: you can redistribute it and/or |
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10 | * modify it under the terms of the GNU General Public License as published by the |
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11 | * Free Software Foundation, either version 3 of the License, or (at your option) |
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12 | * any later version. |
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13 | * |
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14 | * The Strangecode Codebase is distributed in the hope that it will be useful, but |
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15 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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16 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more |
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17 | * details. |
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18 | * |
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19 | * You should have received a copy of the GNU General Public License along with |
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20 | * The Strangecode Codebase. If not, see <http://www.gnu.org/licenses/>. |
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21 | */ |
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22 | |
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23 | /** |
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24 | * Google_API.inc.php |
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25 | * |
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26 | * Interface to the Google API using SOAP/Client.php. |
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27 | * |
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28 | * @author Quinn Comendant <quinn@strangecode.com> |
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29 | * @version 1.1 |
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30 | */ |
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31 | |
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32 | // Example of use: |
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33 | // |
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34 | // require_once 'Google_API.php'; |
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35 | // $google = new Google_API('your license key'); |
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36 | // $result = $google->search( |
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37 | // array( |
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38 | // 'query' => 'sebastian bergmann' |
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39 | // ) |
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40 | // ); |
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41 | // if (false !== $result) { |
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42 | // print_r($result); |
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43 | // } else { |
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44 | // echo 'Query failed.'; |
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45 | // } |
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46 | |
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47 | require_once 'SOAP/Client.php'; |
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48 | |
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49 | class Google_API { |
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50 | |
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51 | /** |
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52 | * @var string |
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53 | * @access private |
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54 | */ |
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55 | var $_licenseKey = ''; |
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56 | |
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57 | /** |
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58 | * @var object |
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59 | * @access private |
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60 | */ |
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61 | var $_soapClient = NULL; |
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62 | |
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63 | /** |
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64 | * Constructor. |
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65 | * |
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66 | * @param string |
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67 | * @access public |
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68 | */ |
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69 | function Google_API($licenseKey) |
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70 | { |
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71 | $this->_licenseKey = $licenseKey; |
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72 | $this->_soapClient = new SOAP_Client( |
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73 | 'http://api.google.com/search/beta2' |
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74 | ); |
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75 | } |
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76 | |
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77 | /** |
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78 | * Retrieves a page by URL from the Google Cache. |
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79 | * |
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80 | * @param string |
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81 | * @return mixed |
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82 | * @access public |
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83 | */ |
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84 | function getCachedPage($url) |
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85 | { |
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86 | $result = $this->_performAPICall( |
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87 | 'doGetCachedPage', |
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88 | array( |
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89 | 'key' => $this->_licenseKey, |
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90 | 'url' => $url |
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91 | ) |
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92 | ); |
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93 | if ($result) { |
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94 | $result = base64_decode($result); |
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95 | } |
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96 | return $result; |
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97 | } |
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98 | |
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99 | /** |
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100 | * Retrieves a spelling suggestion for a phrase. |
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101 | * |
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102 | * @param string |
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103 | * @return mixed |
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104 | * @access public |
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105 | */ |
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106 | function getSpellingSuggestion($phrase) |
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107 | { |
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108 | return $this->_performAPICall( |
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109 | 'doSpellingSuggestion', |
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110 | array( |
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111 | 'key' => $this->_licenseKey, |
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112 | 'phrase' => $phrase |
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113 | ) |
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114 | ); |
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115 | } |
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116 | |
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117 | /** |
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118 | * Performs a web search. |
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119 | * |
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120 | * @param array |
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121 | * @return mixed |
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122 | * @access public |
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123 | */ |
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124 | function search($parameters = array()) |
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125 | { |
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126 | if (!isset($parameters['query'])) { |
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127 | return false; |
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128 | } |
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129 | return $this->_performAPICall( |
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130 | 'doGoogleSearch', |
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131 | array( |
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132 | 'key' => $this->_licenseKey, |
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133 | 'q' => $parameters['query'], |
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134 | 'start' => isset($parameters['start']) ? $parameters['start'] : 0, |
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135 | 'maxResults' => isset($parameters['maxResults']) ? $parameters['maxResults'] : 10, |
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136 | 'filter' => isset($parameters['filter']) ? $parameters['filter'] : false, |
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137 | 'restrict' => isset($parameters['restrict']) ? $parameters['restrict'] : '', |
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138 | 'safeSearch' => isset($parameters['safeSearch']) ? $parameters['safeSearch'] : false, |
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139 | 'lr' => isset($parameters['lr']) ? $parameters['lr'] : '', |
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140 | 'ie' => isset($parameters['ie']) ? $parameters['ie'] : '', |
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141 | 'oe' => isset($parameters['oe']) ? $parameters['oe'] : '' |
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142 | ) |
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143 | ); |
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144 | } |
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145 | |
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146 | /** |
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147 | * @param string |
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148 | * @param array |
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149 | * @return mixed |
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150 | * @access private |
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151 | */ |
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152 | function _performAPICall($apiCall, $parameters) |
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153 | { |
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154 | $app =& App::getInstance(); |
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155 | |
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156 | $result = $this->_soapClient->call( |
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157 | $apiCall, |
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158 | $parameters, |
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159 | 'urn:GoogleSearch' |
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160 | ); |
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161 | if (!PEAR::isError($result)) { |
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162 | return $result; |
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163 | } else { |
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164 | $app->logMsg(sprintf('Soap Pear error: %s', $result->getMessage()), LOG_NOTICE, __FILE__, __LINE__); |
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165 | return false; |
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166 | } |
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167 | } |
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168 | } |
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169 | ?> |
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170 | |
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171 | |
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