get($key); $results = false; if ($results === false) { $wikipediaDocument = new DomDocument(); // set xml url $wikipediaDocumentUrl = "http://en.wikipedia.org/w/api.php?action=query&prop=extracts&exintro&explaintext&titles=" . $requestedTerm . "&format=xml&redirects="; $CurlData = array("url" => $wikipediaDocumentUrl, "ua" => $_SERVER['HTTP_USER_AGENT']); $view = $this->curl_get_contents($CurlData); // load xml if (!empty($view)) { $wikipediaDocument->loadXML($this->curl_get_contents($CurlData)); if (!empty($wikipediaDocument->textContent)) { $results = $wikipediaDocument->textContent; lib_Memcache::mGet()->set($key, $results, 0, $ttl); } else { // error, empty return return '

We\'re sorry, a server error occurred. Please try again.

'; } } } return $results; } public function curl_get_contents($data) { $ch = curl_init($data['url']); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); curl_setopt($ch, CURLOPT_USERAGENT, $data['ua']); $result = curl_exec($ch); if (curl_error($ch)) return curl_error($ch); $status = curl_getinfo($ch, CURLINFO_HTTP_CODE); curl_close($ch); return $result; } }