PHP access to search engine keywords source (support Baidu, Google and other search engines) function

Get inbound keywords from search engines by bbs.it-home.org function Get_keyword ($url, $kw _start) { $start =stripos ($url, $kw _start); $url =substr ($url, $start +strlen ($kw _start)); $start =stripos ($url, ' & '); if ($start >0) { $start =stripos ($url, ' & '); $s _s_keyword=substr ($url, 0, $start); } Else { $s _s_keyword=substr ($url, 0); } return $s _s_keyword; } $url =isset ($_server[' http_referer '))? $_server[' Http_referer ']: ';//get the inbound URL. $search _1= "google.com"; q= UTF8 $search _2= "baidu.com"; Wd= GBK $search _3= "yahoo.cn"; q= UTF8 $search _4= "sogou.com"; query= GBK $search _5= "soso.com"; w= GBK $search _6= "Bing.com"; q= UTF8 $search _7= "youdao.com"; q= UTF8 $google =preg_match ("/\b{$search _1}\b/", $url);//record match for inbound judgment. $baidu =preg_match ("/\b{$search _2}\b/", $url); $yahoo =preg_match ("/\b{$search _3}\b/", $url); $sogou =preg_match ("/\b{$search _4}\b/", $url); $soso =preg_match ("/\b{$search _5}\b/", $url); $bing =preg_match ("/\b{$search _6}\b/", $url); $youdao =preg_match ("/\b{$search _7}\b/", $url); $s _s_keyword= ""; $bul =$_server[' Http_referer ']; Get the no parameter domain name Preg_match (' @^ (?:/HTTP//)? ( [^/]+) @i ', $bul, $matches); $burl = $matches [1]; Match Domain name settings $curl = "bbs.it-home.org"; if ($burl! = $curl) { if ($google) {//From Google $s _s_keyword=get_keyword ($url, ' q= ');//The character before the keyword is "q=". $s _s_keyword=urldecode ($s _s_keyword); $urlname = "Google:"; $_session["urlname"]= $urlname; $_session["S_s_keyword"]= $s _s_keyword; $s _s_keyword=iconv ("GBK", "UTF-8", $s _s_keyword);//engine for GBK } else if ($baidu) {//from Baidu $s _s_keyword=get_keyword ($url, ' wd= ');//The character before the keyword is "wd=". $s _s_keyword=urldecode ($s _s_keyword); $s _s_keyword=iconv ("GBK", "UTF-8", $s _s_keyword);//engine for GBK $urlname = "Baidu:"; $_session["urlname"]= $urlname; $_session["S_s_keyword"]= $s _s_keyword; } else if ($yahoo) {//from Yahoo $s _s_keyword=get_keyword ($url, ' q= ');//The character before the keyword is "q=". $s _s_keyword=urldecode ($s _s_keyword); $s _s_keyword=iconv ("GBK", "UTF-8", $s _s_keyword);//engine for GBK $urlname = "Yahoo:"; $_session["urlname"]= $urlname; $_session["S_s_keyword"]= $s _s_keyword; } else if ($sogou) {//from Sogou $s _s_keyword=get_keyword ($url, ' query= ');//The character before the keyword is "query=". $s _s_keyword=urldecode ($s _s_keyword); $s _s_keyword=iconv ("GBK", "UTF-8", $s _s_keyword);//engine for GBK $urlname = "Sogou:"; $_session["urlname"]= $urlname; $_session["S_s_keyword"]= $s _s_keyword; } else if ($soso) {//From Search $s _s_keyword=get_keyword ($url, ' w= ');//The character before the keyword is "w=". $s _s_keyword=urldecode ($s _s_keyword); $s _s_keyword=iconv ("GBK", "UTF-8", $s _s_keyword);//engine for GBK $urlname = "Search:"; $_session["urlname"]= $urlname; $_session["S_s_keyword"]= $s _s_keyword; } else if ($bing) {//From Bing $s _s_keyword=get_keyword ($url, ' q= ');//The character before the keyword is "q=". $s _s_keyword=urldecode ($s _s_keyword); $s _s_keyword=iconv ("GBK", "UTF-8", $s _s_keyword);//engine for GBK $urlname = "Bing:"; $_session["urlname"]= $urlname; $_session["S_s_keyword"]= $s _s_keyword; } else if ($youdao) {//From Youdao $s _s_keyword=get_keyword ($url, ' q= ');//The character before the keyword is "q=". $s _s_keyword=urldecode ($s _s_keyword); $s _s_keyword=iconv ("GBK", "UTF-8", $s _s_keyword);//engine for GBK $urlname = "Youdao:"; $_session["urlname"]= $urlname; $_session["S_s_keyword"]= $s _s_keyword; } else{ $urlname = $burl; $s _s_keyword= ""; $_session["urlname"]= $urlname; $_session["S_s_keyword"]= $s _s_keyword; } $s _urlname= $urlname; $s _urlkey= $s _s_keyword; } else{ $s _urlname=$_session["urlname"]; $s _urlkey=$_session["S_s_keyword"]; } ?> Copy Code Note: In processing, remember to handle the problem of coding, because the different search engines, the results returned, some may be gbk, some may be the content of the UTF-8 format. Function 2, this is also good, you can try. The code is as follows: Get portal keywords for search engines $_server[' http_referer ']= ' http://www.baidu.com/s?wd=http://bbs.it-home.org '; echo Save_www_iiwnet_com_keyword (' http://www.baidu.com/s?wd=http://bbs.it-home.org ', ' http://www.baidu.com/s?wd= Http://bbs.it-home.org '); function Save_www_iiwnet_com_keyword ($domain, $path) { if (Strpos ($domain, ' google.com.tw ')!==false && preg_match ('/q= ([^&]*)/I ', $path, $regs)) { $searchengine = ' GOOGLE TAIWAN '; $keywords = UrlDecode ($regs [1]); Google Taiwan } if (Strpos ($domain, ' cn ')!==false && preg_match ('/q= ([^&]*)/I ', $path, $regs)) { $searchengine = ' GOOGLE China '; $keywords = UrlDecode ($regs [1]); Google China } if (Strpos ($domain, ' google.com ')!==false && preg_match ('/q= ([^&]*)/I ', $path, $regs)) { $searchengine = ' GOOGLE '; $keywords = UrlDecode ($regs [1]); Google }elseif (Strpos ($domain, ' Baidu. ')! ==false && Preg_match ('/wd= ([^&]*)/I ', $path, $regs)) { $searchengine = ' BAIDU '; $keywords = UrlDecode ($regs [1]); Baidu }elseif (Strpos ($domain, ' Baidu. ')! ==false && Preg_match ('/word= ([^&]*)/I ', $path, $regs)) { $searchengine = ' BAIDU '; $keywords = UrlDecode ($regs [1]); Baidu }elseif (Strpos ($domain, ' 114.vnet.cn ')!== false && Preg_match ('/kw= ([^&]*)/I ', $path, $regs)) { $searchengine = ' CT114 '; $keywords = UrlDecode ($regs [1]); ct114 }elseif (Strpos ($domain, ' iask.com ')!==false && preg_match ('/k= ([^&]*)/I ', $path, $regs)) { $searchengine = ' iask '; $keywords = UrlDecode ($regs [1]); Iask }elseif (Strpos ($domain, ' soso.com ')!==false && preg_match ('/w= ([^&]*)/I ', $path, $regs)) { $searchengine = ' SOSO '; $keywords = UrlDecode ($regs [1]); Soso }elseif (Strpos ($domain, ' sogou.com ')!==false && preg_match ('/query= ([^&]*)/I ', $path, $regs)) { $searchengine = ' SOGOU '; $keywords = UrlDecode ($regs [1]); Sogou }elseif (Strpos ($domain, ' so.163.com ')!==false && preg_match ('/q= ([^&]*)/I ', $path, $regs)) { $searchengine = ' NetEase '; $keywords = UrlDecode ($regs [1]); NetEase }elseif (Strpos ($domain, ' yodao.com ')!== false && Preg_match ('/q= ([^&]*)/I ', $path, $regs)) { $searchengine = ' Yodao '; $keywords = UrlDecode ($regs [1]); Yodao }elseif (Strpos ($domain, ' zhongsou.com ')!==false && preg_match ('/word= ([^&]*)/I ', $path, $regs)) { $searchengine = ' Zhongsou '; $keywords = UrlDecode ($regs [1]); Zhongsou }elseif (Strpos ($domain, ' search.tom.com ')!==false && preg_match ('/w= ([^&]*)/I ', $path, $regs)) { $searchengine = ' TOM '; $keywords = UrlDecode ($regs [1]); Tom }elseif (Strpos ($domain, ' live.com ')!==false && preg_match ('/q= ([^&]*)/I ', $path, $regs)) { $searchengine = ' mslive '; $keywords = UrlDecode ($regs [1]); Mslive }elseif (Strpos ($domain, ' tw.search.yahoo.com ')!==false && preg_match ('/p= ([^&]*)/I ', $path, $regs)) { $searchengine = ' YAHOO TAIWAN '; $keywords = UrlDecode ($regs [1]); Yahoo Taiwan }elseif (Strpos ($domain, ' Cn.yahoo. ')! ==false && Preg_match ('/p= ([^&]*)/I ', $path, $regs)) { $searchengine = ' YAHOO China '; $keywords = UrlDecode ($regs [1]); Yahoo China }elseif (Strpos ($domain, ' Yahoo! ')! ==false && Preg_match ('/p= ([^&]*)/I ', $path, $regs)) { $searchengine = ' YAHOO '; $keywords = UrlDecode ($regs [1]); Yahoo }elseif (Strpos ($domain, ' msn.com.tw ')!==false && preg_match ('/q= ([^&]*)/I ', $path, $regs)) { $searchengine = ' MSN TAIWAN '; $keywords = UrlDecode ($regs [1]); MSN Taiwan }elseif (Strpos ($domain, ' msn.com.cn ')!==false && preg_match ('/q= ([^&]*)/I ', $path, $regs)) { $searchengine = ' MSN China '; $keywords = UrlDecode ($regs [1]); MSN China }elseif (Strpos ($domain, ' msn.com ')!==false && preg_match ('/q= ([^&]*)/I ', $path, $regs)) { $searchengine = ' MSN '; $keywords = UrlDecode ($regs [1]); Msn } return $keywords; } ?> Copy Code

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