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rss-bridge/bridges/GoogleSearchBridge.php
Sebastien SAUVAGE 4bf90735ef Corrections
* Corrected GoogleBridge (URI extraction was incorrect)
* Corrected ATOM format:
* mime-type was incorrect
* Hyperlinks were not clickable.
* non-UTF8 characters are now properly filtered.
* Corrected HTML format output:
* Hyperlinks were not clickable.
* Corrected error message when SimpleHtmlDom library is not installed.
* Added changelog.
2013-08-12 22:37:19 +02:00

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1.9 KiB
PHP

<?php
/**
* RssBridgeGoogleMostRecent
* Search Google for most recent pages regarding a specific topic.
* Returns the 100 most recent links in results in past year, sorting by date (most recent first).
* Example:
* http://www.google.com/search?q=sebsauvage&num=100&complete=0&tbs=qdr:y,sbd:1
* complete=0&num=100 : get 100 results
* qdr:y : in past year
* sbd:1 : sort by date (will only work if qdr: is specified)
*
* @name Google search
* @description Returns most recent results from Google search.
* @use1(q="keyword")
*/
class GoogleSearchBridge extends BridgeAbstract{
public function collectData(array $param){
$html = '';
if (isset($param['q'])) { /* keyword search mode */
$html = file_get_html('http://www.google.com/search?q=' . urlencode($param['q']) . '&num=100&complete=0&tbs=qdr:y,sbd:1') or $this->returnError('No results for this query.', 404);
}
else{
$this->returnError('You must specify a keyword (?q=...).', 400);
}
$emIsRes = $html->find('div[id=ires]',0);
if( !is_null($emIsRes) ){
foreach($emIsRes->find('li[class=g]') as $element) {
$item = new Item();
// Extract direct URL from google href (eg. /url?q=...)
$t = $element->find('a[href]',0)->href;
$item->uri = 'http://google.com'.$t;
parse_str(parse_url($t, PHP_URL_QUERY),$parameters);
if (isset($parameters['q'])) { $item->uri = $parameters['q']; }
$item->title = $element->find('h3',0)->plaintext;
$item->content = $element->find('span[class=st]',0)->plaintext;
$this->items[] = $item;
}
}
}
public function getName(){
return 'Google search';
}
public function getURI(){
return 'http://google.com';
}
public function getCacheDuration(){
return 1800; // 30 minutes
}
}