Functions of php to obtain the source of search engine keywords (support for Baidu, Google, and other search engines)

Functions of php to obtain the source of search engine keywords (support for Baidu, Google, and other search engines)

// Obtain the keyword from the search engine inbound // 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 matching information 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']; // Retrieve domain names without parameters 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); // The engine is 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); // The engine is 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); // The engine is 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); // The engine is gbk $ Urlname = "Sogou :"; $ _ SESSION ["urlname"] = $ urlname; $ _ SESSION ["s_s_keyword"] = $ s_s_keyword; } Else if ($ soso) {// From sousearch $ 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); // The engine is 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); // The engine is 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); // The engine is 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"]; } ?> (In the processing, remember to deal with the encoding problem, because of different search engines, returned results, some may be GBK, some may be the content of the UTF-8 format. Function 2. this is also good. you can try it. The code is as follows: // Obtain the keyword of the search engine entry $ _ 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, 'google. 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, '2017 .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 = 'deletease '; $ 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; } ?>