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@iwek
Created July 12, 2012 20:38
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Retrieve Images from Wikipedia
<?php
/**
* Grab Images from Wikipedia via thier API
*
* @author http://techslides.com
* @link http://techslides.com/grab-wikipedia-pictures-by-api-with-php
*/
//curl request returns json output via json_decode php function
function curl($url){
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.2) Gecko/20090729 Firefox/3.5.2 GTB5');
$result = curl_exec($ch);
curl_close($ch);
return $result;
}
//parse the json output
function getResults($json){
$results = array();
$json_array = json_decode($json, true);
foreach($json_array['query']['pages'] as $page){
if(count($page['images']) > 0){
foreach($page['images'] as $image){
$title = str_replace(" ", "_", $image["title"]);
$imageinfourl = "http://en.wikipedia.org/w/api.php?action=query&titles=".$title."&prop=imageinfo&iiprop=url&format=json";
$imageinfo = curl($imageinfourl);
$iamge_array = json_decode($imageinfo, true);
$image_pages = $iamge_array["query"]["pages"];
foreach($image_pages as $a){
$results[] = $a["imageinfo"][0]["url"];
}
}
}
}
return $results;
}
$search = $_GET["q"];
if (empty($search)) {
//term param not passed in url
exit;
} else {
//create url to use in curl call
$term = str_replace(" ", "_", $search);
$url = "http://en.wikipedia.org/w/api.php?action=query&titles=".$term."&prop=images&format=json&imlimit=5";
$json = curl($url);
$results = getResults($json);
//print the results using an unordered list
echo "<ul>";
foreach($results as $a){
echo '<li><img src="'.$a.'"></li>';
}
echo "</ul>";
}
?>
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iwek commented Jul 13, 2012

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