3 https://developers.google.com/+/plugins/snippet/
5 <meta itemprop="name" content="Toller Titel">
6 <meta itemprop="description" content="Eine tolle Beschreibung">
7 <meta itemprop="image" content="http://maple.libertreeproject.org/images/tree-icon.png">
9 <body itemscope itemtype="http://schema.org/Product">
10 <h1 itemprop="name">Shiny Trinket</h1>
11 <img itemprop="image" src="{image-url}" />
12 <p itemprop="description">Shiny trinkets are shiny.</p>
16 if(!function_exists('deletenode')) {
17 function deletenode(&$doc, $node)
19 $xpath = new DomXPath($doc);
20 $list = $xpath->query("//".$node);
21 foreach ($list as $child)
22 $child->parentNode->removeChild($child);
26 function completeurl($url, $scheme) {
27 $urlarr = parse_url($url);
29 if (isset($urlarr["scheme"]))
32 $schemearr = parse_url($scheme);
34 $complete = $schemearr["scheme"]."://".$schemearr["host"];
36 if ($schemearr["port"] != "")
37 $complete .= ":".$schemearr["port"];
39 $complete .= $urlarr["path"];
41 if ($urlarr["query"] != "")
42 $complete .= "?".$urlarr["query"];
44 if ($urlarr["fragment"] != "")
45 $complete .= "#".$urlarr["fragment"];
50 function parseurl_getsiteinfo($url) {
54 curl_setopt($ch, CURLOPT_URL, $url);
55 curl_setopt($ch, CURLOPT_HEADER, 1);
56 curl_setopt($ch, CURLOPT_NOBODY, 0);
57 curl_setopt($ch, CURLOPT_TIMEOUT, 3);
58 curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
59 curl_setopt($ch,CURLOPT_USERAGENT,'Opera/9.64(Windows NT 5.1; U; de) Presto/2.1.1');
61 $header = curl_exec($ch);
64 // Fetch the first mentioned charset. Can be in body or header
65 if (preg_match('/charset=(.*?)['."'".'"\s\n]/', $header, $matches))
66 $charset = trim(array_pop($matches));
70 $pos = strpos($header, "\r\n\r\n");
73 $body = trim(substr($header, $pos));
77 $body = mb_convert_encoding($body, "UTF-8", $charset);
78 $body = mb_convert_encoding($body, 'HTML-ENTITIES', "UTF-8");
80 $doc = new DOMDocument();
81 @$doc->loadHTML($body);
83 deletenode($doc, 'style');
84 deletenode($doc, 'script');
85 deletenode($doc, 'option');
86 deletenode($doc, 'h1');
87 deletenode($doc, 'h2');
88 deletenode($doc, 'h3');
89 deletenode($doc, 'h4');
90 deletenode($doc, 'h5');
91 deletenode($doc, 'h6');
92 deletenode($doc, 'ol');
93 deletenode($doc, 'ul');
95 $xpath = new DomXPath($doc);
97 //$list = $xpath->query("head/title");
98 $list = $xpath->query("//title");
99 foreach ($list as $node)
100 $siteinfo["title"] = html_entity_decode($node->nodeValue, ENT_QUOTES, "UTF-8");
102 //$list = $xpath->query("head/meta[@name]");
103 $list = $xpath->query("//meta[@name]");
104 foreach ($list as $node) {
106 if ($node->attributes->length)
107 foreach ($node->attributes as $attribute)
108 $attr[$attribute->name] = $attribute->value;
110 $attr["content"] = html_entity_decode($attr["content"], ENT_QUOTES, "UTF-8");
112 switch (strtolower($attr["name"])) {
114 $siteinfo["title"] = $attr["content"];
117 $siteinfo["text"] = $attr["content"];
120 $siteinfo["title"] = $attr["content"];
122 case "dc.description":
123 $siteinfo["text"] = $attr["content"];
128 //$list = $xpath->query("head/meta[@property]");
129 $list = $xpath->query("//meta[@property]");
130 foreach ($list as $node) {
132 if ($node->attributes->length)
133 foreach ($node->attributes as $attribute)
134 $attr[$attribute->name] = $attribute->value;
136 $attr["content"] = html_entity_decode($attr["content"], ENT_QUOTES, "UTF-8");
138 switch (strtolower($attr["property"])) {
140 $siteinfo["image"] = $attr["content"];
143 $siteinfo["title"] = $attr["content"];
145 case "og:description":
146 $siteinfo["text"] = $attr["content"];
151 if ($siteinfo["image"] == "") {
152 $list = $xpath->query("//img[@src]");
153 foreach ($list as $node) {
155 if ($node->attributes->length)
156 foreach ($node->attributes as $attribute)
157 $attr[$attribute->name] = $attribute->value;
159 $src = completeurl($attr["src"], $url);
160 $photodata = getimagesize($src);
162 if (($photodata[0] > 150) and ($photodata[1] > 150)) {
163 if ($photodata[0] > 300) {
164 $photodata[1] = round($photodata[1] * (300 / $photodata[0]));
167 if ($photodata[1] > 300) {
168 $photodata[0] = round($photodata[0] * (300 / $photodata[1]));
171 $siteinfo["images"][] = array("src"=>$src,
172 "width"=>$photodata[0],
173 "height"=>$photodata[1]);
178 $src = completeurl($siteinfo["image"], $url);
179 $photodata = getimagesize($src);
181 if (($photodata[0] > 10) and ($photodata[1] > 10))
182 $siteinfo["images"][] = array("src"=>$src,
183 "width"=>$photodata[0],
184 "height"=>$photodata[1]);
187 if ($siteinfo["text"] == "") {
190 $list = $xpath->query("//div[@class='article']");
191 foreach ($list as $node)
192 if (strlen($node->nodeValue) > 40)
193 $text .= " ".trim($node->nodeValue);
196 $list = $xpath->query("//div[@class='content']");
197 foreach ($list as $node)
198 if (strlen($node->nodeValue) > 40)
199 $text .= " ".trim($node->nodeValue);
202 // If none text was found then take the paragraph content
204 $list = $xpath->query("//p");
205 foreach ($list as $node)
206 if (strlen($node->nodeValue) > 40)
207 $text .= " ".trim($node->nodeValue);
211 $text = trim(str_replace(array("\n", "\r"), array(" ", " "), $text));
213 while (strpos($text, " "))
214 $text = trim(str_replace(" ", " ", $text));
216 $siteinfo["text"] = html_entity_decode(substr($text,0,350), ENT_QUOTES, "UTF-8").'...';
223 function arr_add_hashes(&$item,$k) {
227 function parse_url_content(&$a) {
233 if(local_user() && intval(get_pconfig(local_user(),'system','plaintext')))
237 $br = (($textmode) ? "\n" : '<br />');
239 if(x($_GET,'binurl'))
240 $url = trim(hex2bin($_GET['binurl']));
242 $url = trim($_GET['url']);
245 $title = strip_tags(trim($_GET['title']));
247 if($_GET['description'])
248 $text = strip_tags(trim($_GET['description']));
251 $arr_tags = str_getcsv($_GET['tags']);
252 if(count($arr_tags)) {
253 array_walk($arr_tags,'arr_add_hashes');
254 $str_tags = $br . implode(' ',$arr_tags) . $br;
258 logger('parse_url: ' . $url);
261 $template = $br . '[bookmark=%s]%s[/bookmark]%s' . $br;
263 $template = "<br /><a class=\"bookmark\" href=\"%s\" >%s</a>%s<br />";
265 $arr = array('url' => $url, 'text' => '');
267 call_hooks('parse_link', $arr);
269 if(strlen($arr['text'])) {
275 if($url && $title && $text) {
278 $text = $br . '[quote]' . trim($text) . '[/quote]' . $br;
280 $text = '<br /><blockquote>' . trim($text) . '</blockquote><br />';
282 $title = str_replace(array("\r","\n"),array('',''),$title);
284 $result = sprintf($template,$url,($title) ? $title : $url,$text) . $str_tags;
286 logger('parse_url (unparsed): returns: ' . $result);
292 $siteinfo = parseurl_getsiteinfo($url);
294 if($siteinfo["title"] == "") {
295 echo print_r($siteinfo, true);
296 //echo sprintf($template,$url,$url,'') . $str_tags;
299 $text = $siteinfo["text"];
300 $title = $siteinfo["title"];
305 if($siteinfo["image"] != ""){
307 Execute below code only if image is present in siteinfo
309 foreach ($siteinfo["images"] as $imagedata)
311 $image .= '[img='.$imagedata["width"].'x'.$imagedata["height"].']'.$imagedata["src"].'[/img]';
313 $image .= '<img height="'.$imagedata["height"].'" width="'.$imagedata["width"].'" src="'.$imagedata["src"].'" alt="photo" />';
318 $text = $br.'[quote]'.trim($text).'[/quote]'.$br ;
320 $text = '<br /><blockquote>'.trim($text).'</blockquote><br />';
324 $text = $br.$br.$image.$text;
326 $title = str_replace(array("\r","\n"),array('',''),$title);
328 $result = sprintf($template,$url,($title) ? $title : $url,$text) . $str_tags;
330 logger('parse_url: returns: ' . $result);