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If $results[0] has the value FALSE or zero, then no stories were returned Otherwise, you can access the stories in the following manner, which retrieves all the parts of the first story:
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$title $site $date $story $url = = = = = $results[1][0][0]; $results[1][0][1]; $results[1][0][2]; $results[1][0][3]; $results[1][0][4];
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And the second result, like this (and so on):
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$title $site $date $story $url = = = = = $results[1][1][0]; $results[1][1][1]; $results[1][1][2]; $results[1][1][3]; $results[1][1][4];
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The best way to display the results, though, is to use a foreach loop to iterate through each element of $results[1], placing each in another array such as $result (using the singular version of the variable name for single items extracted from the array), like this:
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foreach($results[1] as $result) echo "<a href='$result[4]'>$result[0]</a> ($result[1], " "$result[2])<br />$result[3]<br /><br />";
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In this example, each title in $result[0] is made the text of a hyperlink to the story s original URL in $result[4], and the site and date in the variables $result[1] and $result[2] are displayed next to it in brackets After a <br /> tag, the story in $result[3] is then displayed, followed by a couple more <br /> tags To display Yahoo! News results to their best effect, you will probably also want to first echo or print a UTF-8 <meta> tag in the <head> section of your web page, so that any unusual characters display correctly The correct meta tag looks like this:
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
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The Plug-in
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function PIPHP_GetYahooNews($search) { $reports = array(); $url = 'http://newssearchyahoocom/news/rss ' 'ei=UTF-8&fl=0&x=wrt&p=' urlencode($search); $xml = @file_get_contents($url); if (!strlen($xml)) return array(FALSE); $xml $xml $xml = str_replace('<![CDATA[', '', $xml); = str_replace(']]>', '', $xml); = str_replace('&', '[ampersand]', $xml);
Plug-in PHP: 100 Power Solutions
$xml $xml $xml $xml $xml $sxml
= = = = = =
str_replace('&', '&', str_replace('[ampersand]', '&', str_replace('<b>', '<b>', str_replace('</b>', '</b>', str_replace('<wbr>', '<wbr>', simplexml_load_string($xml);
$xml); $xml); $xml); $xml); $xml);
foreach($sxml->channel->item as $item) { $flag = FALSE; $url = $item->link; $date = date('M jS, g:ia', strtotime($item->pubDate)); $title = $item->title; $temp = explode(' (', $title); $title = $temp[0]; $site = str_replace(')', '', $temp[1]); $desc = $item->description; for ($j = 0 ; $j < count($reports) ; ++$j) { similar_text(strtolower($reports[$j][0]), strtolower($title), $percent); if ($percent > 70) { $flag = TRUE; break; } } if (!$flag && strlen($desc)) $reports[] = array($title, $site, $date, $desc, $url); } return array(count($reports), $reports); }
79 Search Google Books
About the Plug-in
As I write, as well as having already scanned in hundreds of thousands of out-of-copyright books, Google is in the process of making agreements with several book publishers over digitizing their in-copyright publications This means that Google Books is likely to become an ever more useful research source that we can add to our toolkit Figure 10-12 shows this plug-in being used to query the database for the term Mark Twain
This plug-in takes a search query and returns matching books found in the Google Books database Upon success it returns a two element array, the first of which is the number of
10:
APIs, RSS, and XML
FIGURE 10-12
Add the vast resource of Google Book Search to your web site with this plug-in
books returned and the second is an array containing details about those books On failure it returns a single element array with the value FALSE It requires these arguments: $search A standard search query $start The first result to return $count The maximum number of results to return $type The type of result to return If this is 'none', then all books are returned; if 'partial', then books with partial previews are returned; or if 'full', then only books with full previews are returned
Variables, Arrays, and Functions
$results $url $xml $sxml $title $author $pub $date $desc $thumb $info $preview Array containing returned book details String containing the Google Books API URL String containing the result of loading in $url SimpleXML object created from $xml String containing the current book s title String containing the current book s author String containing the current book s publisher String containing the current book s publication date String containing the current book s description/summary String containing the URL of the current book s cover thumbnail String containing the URL of the current book s information String containing the URL for previewing the current book
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