source: trunk/www.guidonia.net/wp/wp-content/plugins/wordpress-google-seo-positioner/includes/classes.php@ 44

Last change on this file since 44 was 44, checked in by luciano, 15 years ago
File size: 5.0 KB
Line 
1<?php
2/*
3* Position Yourself WP Plugin Classes
4*/
5
6
7class Positioner {
8 var $start;
9 var $end;
10 var $region;
11 var $language;
12 var $meta = '';
13 var $num_results = 30;
14 var $queries = array();
15}
16
17
18class GoogleQuery {
19 /**
20 * @keyword string The keyword
21 * @region string The Google region (.com, .be, .nl, ...)
22 * @language string The Google language (hl=nl, hl=en, ...)
23 * @query string The Google keyword query string
24 * @url string The Google query url
25 * @position int The position of the domain for this keyword in Google
26 * @options string The Google options (meta=)
27 * @num_results int The Google number of results to keep track of
28 * @num_queries int The number of Google queries
29 * @results array The Google results
30 */
31 var $keyword;
32 var $region;
33 var $language;
34 var $query;
35 var $url = 'http://www.google.';
36 var $top_position = 0;
37 var $top_url = '';
38 var $meta = '';
39 var $num_results = 30;
40 var $num_queries = 0;
41 var $results = array();
42 var $matches = array();
43 var $competitors = array();
44
45 /**
46 * PHP 4 Compatible Constructor
47 */
48 function GoogleQuery($keyword, $region, $language, $num_results = 30, $options = '') {
49 $this->__construct($keyword, $region, $language, $num_results, $options);
50 }
51
52 /**
53 * PHP 5 Constructor
54 */
55 function __construct($keyword, $region, $language, $num_results = 30, $meta = '') {
56
57 $this->keyword = (string) trim($keyword);
58
59 $this->region = (string) $region;
60 $this->language = (string) $language;
61
62 $this->num_results = (int) $num_results;
63 $this->meta = (string) $meta;
64
65 $this->query = (string) ( $this->build_query() !== false ) ? $this->build_query() : $this->keyword;
66 $this->url = (string) $this->build_url();
67 }
68
69 /**
70 * Get the results for a certain keyword
71 */
72 function set_results() {
73 // fetch the result for the url of this queryObject
74 $parse_result = array();
75 $parse_result = (array)$this->parse($this->url);
76
77 if ( is_array($parse_result) && count($parse_result) > 0 ) {
78 // remove first one
79 array_splice( $parse_result, 0, 1);
80 // remove last two
81 array_splice( $parse_result, (count($parse_result)-2), 2);
82 }
83
84 if ( count($parse_result) > 0 ) $this->num_queries++;
85
86 $this->results = (array) $parse_result;
87 }
88
89 /**
90 * Parses an URL through Snoopy
91 * @return string
92 */
93 function parse($url) {
94 global $snoopy;
95
96 $snoopy->results = '';
97 // set browser
98 $snoopy->agent = "Mozilla/5.0 (Windows; U; Windows NT 5.1; nl; rv:1.8.1.13)";
99
100 // set a raw-header
101 $snoopy->rawheaders["Pragma"] = "no-cache";
102 // fetch the links of the website
103 if ($snoopy->fetchlinks($url)) {
104 return $snoopy->results;
105 } else {
106 return $snoopy->error;
107 }
108 }
109
110
111 /**
112 * Returns a querified representation of a keyword
113 * @return string
114 */
115 function build_query() {
116
117 $query_keyword = '';
118
119 if ($this->keyword) {
120 $keyword = $this->keyword;
121 if (!preg_match('#\"(.*?)\"#i', $keyword) ) {
122 // split on spaces
123 $keywords = explode(' ', $keyword);
124 // url encode each part
125 $keywords = array_map("urlencode", $keywords);
126 // glue back together with +
127 $query = implode("+", $keywords);
128 } else {
129 $query = urlencode($keyword);
130 }
131 return $query;
132 } else
133 return false;
134 }
135
136 /**
137 * Returns the url of the Google query
138 * @return string
139 */
140 function build_url() {
141
142 $url = '';
143 $url = $this->url;
144 $url .= $this->region;
145 $url .= "/ie?hl=". $this->language;
146 $url .= "&q=".$this->query;
147 $url .= "&num=".$this->num_results;
148 $url .= "&sa=N";
149 $url .= "&filter=0";
150 $url .= $this->options;
151
152 return $url;
153 }
154
155 /**
156 * Returns matches in an array as an array
157 * @return array
158 */
159 function find_matches($results, $url) {
160 $matches = array();
161 $matches = preg_grep("#^$url#", $results);
162
163 if ( count($matches) > 0 ) {
164 $this->matches = $matches;
165
166 return $matches;
167 } else
168 return 0;
169 }
170
171 /**
172 * Returns highest position in matches
173 * @return int
174 */
175 function find_top_position() {
176
177 if ( count($this->matches) > 0 ) {
178 $top = 0;
179 while ($top == 0 && (list($position, $url) = each($this->matches))) {
180 $top = (int)((int)$position + 1);
181 $top_url = $url;
182 }
183 $this->top_position = $top;
184 $this->top_url = $top_url;
185 }
186 }
187
188 /**
189 * Returns highest competitor position in competitormatches
190 * @return int
191 */
192 function find_top_competitor_position($results) {
193
194 $top["position"] = 0;
195 $top["url"] = '';
196
197 if ( is_array($results) ) {
198
199 while ( $top["position"] == 0 && (list($position, $url) = each($results) ) ) {
200
201 $top["position"] = (int)((int)$position + 1);
202 $top["url"] = $url;
203 }
204 }
205 return $top;
206 }
207
208 /**
209 * Returns a string representation of a query
210 * @return string
211 */
212 function to_string($display = 'raw') {
213 switch($display) {
214 case "list": {
215 echo "<br />print as list";
216 }
217 break;
218
219 case "row": {
220 echo "<br />print as table row";
221 }
222 break;
223
224 case "raw": {
225 pyPre($this);
226 }
227 break;
228 }
229 //return $string;
230 }
231}
232?>
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