go here, and add <?custom404_print404message();?> to your 404 Template where you want the suggestions to appear. Version 2.1 fixes stability issues and gives cleaner, improved search results. Author: 404 Plugin Author URI: http://www.404plugin.com */ function custom404_print404message() { global $custom404_server; global $custom404_missingpagestr; $custom404_missingpagestr = custom404_getmissingpagestr(); $custom404_missingpagestr = str_replace(' ', '+', $custom404_missingpagestr); $custom404_headline = 'Related pages on this site'; $custom404_server[] = "+site%3A$_SERVER[SERVER_NAME]"; //new version $custom404_googleresults = custom404_getgoogleresults($custom404_missingpagestr, $_SERVER[SERVER_NAME]); if (!($custom404_googleresults)) { $custom404_headline = 'No local results found. From the web:'; $custom404_googleresults = custom404_getgoogleresults($custom404_missingpagestr); $custom404_yahooresults = custom404_getyahooresults($custom404_missingpagestr); $custom404_yahooresultsarr = explode("\n", $custom404_yahooresults); $custom404_formattedyahooresults = ''; foreach ($custom404_yahooresultsarr as $custom404_yahooresult) { if (strlen(trim($custom404_yahooresult))) if (strpos($custom404_googleresults, $custom404_yahooresult) === false && strpos($custom404_googleresults, str_replace('rel=nofollow', '', $custom404_yahooresult)) === false ) $custom404_formattedyahooresults .= "$custom404_yahooresult\n"; } if (!($custom404_googleresults) && !($custom404_formattedyahooresults)) { $custom404_googleresults = '
No results found on the web.'; } else { $custom404_googleresults = ($custom404_googleresults == '0') ? '' : $custom404_googleresults; $custom404_formattedyahooresults = ($custom404_formattedyahooresults == '0') ? '' : $custom404_formattedyahooresults; $custom404_googleresults = utf8_encode($custom404_googleresults ); $custom404_formattedyahooresults = utf8_encode($custom404_formattedyahooresults ); } } $custom404_googleresults = $custom404_headline . "
" . $custom404_googleresults; $custom404_formattedquerystring = $_SERVER[REDIRECT_QUERY_STRING] ? "?$_SERVER[REDIRECT_QUERY_STRING]":""; print "

Suggestions

$custom404_googleresults $custom404_formattedyahooresults

"; } function custom404_findurls($Page) { preg_match_all ("/a[\s]+[^>]*?href[\s]?=[\s\"\']+". "(.*?)[\"\']+.*?>"."([^<]+|.*?)?<\/a>/", $Page, &$matches); $matches = $matches[1]; return $matches; } function custom404_sendheader() { if(is_404()){ header('HTTP/1.0 200 OK'); header('Cache-Control: max-age=360000, public'); header('Pragma: public'); $offset = 60 * 60 * 24 * 14; //2 weeks $ExpStr = "Expires: " . gmdate("D, d M Y H:i:s", time() + $offset) . " GMT"; header($ExpStr); } } function custom404_404title($title) { if(is_404()) { $title = custom404_getmissingpagestr(); } return $title; } function custom404_getmissingpagestr() { $custom404_missingpagestr = urldecode($_SERVER[REDIRECT_URL]); if (strlen($custom404_missingpagestr) - strrpos($custom404_missingpagestr, '.') <= 5) { $custom404_filename = substr($custom404_missingpagestr, 0, strrpos($custom404_missingpagestr, '.')); $custom404_ext = str_replace("$custom404_filename.", '', $custom404_missingpagestr); $custom404_missingpagestr = $custom404_filename; } $custom404_missingpagestr .= ' ' . urldecode($_SERVER[REDIRECT_QUERY_STRING]); $custom404_replacewithspace = array( '-', '/', '_', '&', '?', '#', '+', '='); $custom404_missingpagestr = str_replace($custom404_replacewithspace, ' ', $custom404_missingpagestr); $custom404_missingpagestr = trim($custom404_missingpagestr); return $custom404_missingpagestr; } function custom404_loadpage($url) { $UserAgents = array("Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.1) Gecko/20061204 Firefox/2.0.0.1", "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)"); $ch = curl_init(); curl_setopt($ch, CURLOPT_USERAGENT, $UserAgents[array_rand($UserAgents)]); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_COOKIESESSION, 1); $ret = curl_exec($ch); curl_close($ch); if (!strlen($ret)) $ret = ("An error occured."); return $ret; } function custom404_gettextbetweentags ($start, $end, $string) { $startpos = $start ? strpos($string, $start) + strlen($start) : 0; $matchlength = strpos($string, $end, $startpos) - $startpos ? strpos($string, $end, $startpos) - $startpos : strlen($string); $foundstring = trim (substr($string, $startpos, $matchlength)); return $foundstring; } function custom404_getgoogleresults($term, $domain=0) { if ($domain) {$siteclause = "+site%3A$domain";} $position = 1; libxml_use_internal_errors(true); $allresults = array(); $pages = 2; $textresults=''; $totalfound = 0; for ($currentpage=1;$currentpage<=$pages;$currentpage++) { $pagedom = new DOMDocument(); $start = ($currentpage - 1) * 10; $startclause = $start ? "&start=$start" : ''; $googleurl = "http://www.google.com/search?hl=en&source=hp&q=" . urlencode($term) . $siteclause . $startclause . "&gl=us&pws=0"; //print $googleurl; $pagedom->loadHTMLFile($googleurl); $spans = $pagedom->getElementsByTagName("span"); foreach($spans as $span) if ($span->getAttribute('class') == 'f' || $span->getAttribute('class') == 'gl') $span->nodeValue = ''; $divs = $pagedom->getElementsByTagName("div"); foreach($divs as $div) if ($div->getAttribute('class') == 'osl') $div->nodeValue = ''; $results = $pagedom->getElementsByTagName("h3"); foreach ($results as $result) { if ($result->getAttribute("class") == "r") { $children = $result->childNodes; foreach ($children as $child) { if (is_object($child) && $child->getAttribute("class") == "l" && $position <=10) { //initialize variables $anchor = $child->nodeValue; $url = $child->getAttribute("href"); $urlparts = explode('/', $url); $domain = $urlparts[2]; //description from google search results $parent = $result->parentNode; $siblings = $parent->childNodes; $description = ''; foreach($siblings as $sibling) { //var_dump($uncle); if (@$sibling->getAttribute("class") == "s") { $shorturl = str_replace('http://', '', $url); $description = custom404_gettextbetweentags("STARTHERE", $shorturl, "STARTHERE$sibling->nodeValue"); } } $nofollow = $position == 1 ? '' : 'rel=nofollow'; $textresults .= "$anchor
"; $position++; $totalfound++; } } } } } $textresults = $totalfound ? $textresults : 0; return $textresults; } function custom404_getyahooresults($key_words, $num_results=10) { global $custom404_server; $results = ''; $terms=str_replace(' ','+',$key_words); $pages=$num_results/10; for($i=0;$i<$pages;$i++){ $b=10*$i+1; $serpurl="http://search.yahoo.com/search?p=$terms&pstart=1&b=$b"; $page_results=custom404_getyahooserp($serpurl); if ($page_results) $results .= $page_results; } if (strlen($results) == 0) $results=0; return $results; } function custom404_getyahooserp($serpurl) { $position = 11; $serpOriginal = custom404_loadpage($serpurl); $results=''; if (strpos($serpOriginal,"We did not find results for") ===FALSE){ $serpArray = explode("$result){ $url='http://'.strip_tags(custom404_gettextbetweentags('','',$result)); if (strpos($url,'...')){ $url=custom404_gettextbetweentags('href="','"',$result); if (strpos($url,'yahoo.com/click')){ $url=custom404_gettextbetweentags('?u=','&', urldecode($url) ); } elseif (strpos($url,'rds.yahoo.com')){ //convert urls like //http://rds.yahoo.com/_ylt=A0oGkmdAhmRJnqsAr9FXNyoA;_ylu=X3oDMTBydHRjbmRzBHNlYwNzcgRwb3MDMwRjb2xvA3NrMQR2dGlkAw--/SIG=137q03skj/EXP=1231411136/**http%3a//commitments.clintonglobalinitiative.org/projects.htm%3fmode=view%26rid=43102 $url=custom404_gettextbetweentags('**','', urldecode($url) ); } } $title=htmlspecialchars_decode(strip_tags(custom404_gettextbetweentags('>','',$result))); if (strpos($result,'

')) $description = custom404_gettextbetweentags('

','

',$result); elseif (strpos($result,'

')) $description = custom404_gettextbetweentags('

','

',$result); // $title = str_replace('Warning: Dangerous Downloads', '', $title); if (!(strpos($url, 'ttp://news.search.yahoo.com')) && $position <= 20) //filter news results away { $results .="$title
\n"; $position++; } } } if (strlen($results) == 0) $results = 0; return $results; } //Override SEO Plugin Title - Comment these lines out to restore. add_option("aiosp_404_title_format", custom404_getmissingpagestr(), 'All in One SEO Plugin 404 Title Format', 'yes'); update_option('aiosp_404_title_format', custom404_getmissingpagestr()); add_action('get_header', 'custom404_sendheader'); add_filter('wp_title', 'custom404_404title'); ?>