<?php // Plug-in 73: Fetch Wiki Page/* * 插件说明： * 读取wiki页面 * 插件接受一个维基文章的标题，返回这个文章的文本内容。如果读取失败，返回false. * 它需要以下参数： * $netry 危及文章的标题 */// This is an executable example with additional code supplied// To obtain just the plug-ins please click on the Download linkecho '<html><head><meta http-equiv="Content-Type" ' . 'content="text/html; charset=utf-8" /></head><body>';echo '<font face="Verdana" size="2">';echo PIPHP_FetchWikiPage('Climate Change');function PIPHP_FetchWikiPage($entry){ // Plug-in 73: Fetch Wiki Page // // This plug-in fetches the XML of a Wikipedia entry for the // term $entry and returns a string containing the salient // details. It requires the following argument: // // $entry: The entry to fetch (eg: 'bread') $agent = 'Mozilla/5.0 (Windows; U; Windows NT 6.1; en-GB; ' . 'rv:1.9.1) Gecko/20090624 Firefox/3.5 (.NET CLR ' . '3.5.30729)'; $text = ''; while ($text == '' || substr($text, 0, 9) == '#REDIRECT') { $entry = rawurlencode($entry); $url = "http://en.wikipedia.org/wiki/Special:Export/$entry"; $page = PIPHP_CurlGetContents($url, $agent); $xml = simplexml_load_string($page); $title = $xml->page->title; $text = $xml->page->revision->text; if (substr($text, 0, 9) == '#REDIRECT') { preg_match('/\[\[(.+)\]\]/', $text, $matches); $entry = $matches[1]; } } $sections = array('References', 'See also', 'External links', 'Notes', 'Further reading'); foreach($sections as $section) { $ptr = stripos($text, "==$section=="); if ($ptr) $text = substr($text, 0, $ptr); $ptr = stripos($text, "== $section =="); if ($ptr) $text = substr($text, 0, $ptr); } $data = array('\[{2}Imag(\[{2})*.*(\]{2})*\]{2}', '', '\[{2}File(\[{2})*.*(\]{2})*\]{2}', '', '\[{2}Cate(\[{2})*.*(\]{2})*\]{2}', '', '\{{2}([^\{\}]+|(?R))*\}{2}', '', '\'{3}(.*?)\'{3}', '<b>$1</b>', '\'{2}(.*?)\'{2}', '<i>$1</i>', '\[{2}[^\|\]]+\|([^\]]*)\]{2}', '$1', '\[{2}(.*?)\]{2}', '$1', '\[(http[^\]]+)\]', ' ', '\n(\*|#)+', '<br /> ● ', '\n:.*?\n', '', '\n\{[^\}]+\}', '', '\n={7}([^=]+)={7}', '<h7>$1</h7>', '\n={6}([^=]+)={6}', '<h6>$1</h6>', '\n={5}([^=]+)={5}', '<h5>$1</h5>', '\n={4}([^=]+)={4}', '<h4>$1</h4>', '\n={3}([^=]+)={3}', '<h3>$1</h3>', '\n={2}([^=]+)={2}', '<h2>$1</h2>', '\n={1}([^=]+)={1}', '<h1>$1</h1>', '\n{2}', '<p>', '<gallery>([^<]+?)<\/gallery>', '', '<ref>([^<]+?)<\/ref>', '', '<ref [^>]+>', ''); for ($j = 0 ; $j < count($data) ; $j += 2) $text = preg_replace("/$data[$j]/", $data[$j+1], $text); $text = strip_tags($text, '<h1><h2><h3><h4><h5><h6><h7>' . '<p><br><b><i>'); $url = "http://en.wikipedia.org/wiki/$title"; $text .= "<p>Source: <a href='$url'>Wikipedia ($title)</a>"; return trim($text);}function PIPHP_CurlGetContents($url, $agent){ // Plug-in 72: Curl Get Contents // // This plug-in fetches a page that may otherwise be // forbidden using the file_get_contents() function. // It requires the following arguments: // // $url: The URL of the page to fetch // $agent: A typical browser User Agent string $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_USERAGENT, $agent); curl_setopt($ch, CURLOPT_HEADER, 0); curl_setopt($ch, CURLOPT_ENCODING, "gzip"); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1); curl_setopt($ch, CURLOPT_FAILONERROR, 1); curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 8); curl_setopt($ch, CURLOPT_TIMEOUT, 8); $result = curl_exec($ch); curl_close($ch); return $result;}?>
