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

Source: Internet
Author: User
  1. Get inbound keywords from search engines

  2. by bbs.it-home.org
  3. function Get_keyword ($url, $kw _start)
  4. {
  5. $start =stripos ($url, $kw _start);
  6. $url =substr ($url, $start +strlen ($kw _start));
  7. $start =stripos ($url, ' & ');
  8. if ($start >0)
  9. {
  10. $start =stripos ($url, ' & ');
  11. $s _s_keyword=substr ($url, 0, $start);
  12. }
  13. Else
  14. {
  15. $s _s_keyword=substr ($url, 0);
  16. }
  17. return $s _s_keyword;
  18. }

  19. $url =isset ($_server[' http_referer '))? $_server[' Http_referer ']: ';//get the inbound URL.

  20. $search _1= "google.com"; q= UTF8
  21. $search _2= "baidu.com"; Wd= GBK
  22. $search _3= "yahoo.cn"; q= UTF8
  23. $search _4= "sogou.com"; query= GBK
  24. $search _5= "soso.com"; w= GBK
  25. $search _6= "Bing.com"; q= UTF8
  26. $search _7= "youdao.com"; q= UTF8

  27. $google =preg_match ("/\b{$search _1}\b/", $url);//record match for inbound judgment.

  28. $baidu =preg_match ("/\b{$search _2}\b/", $url);
  29. $yahoo =preg_match ("/\b{$search _3}\b/", $url);
  30. $sogou =preg_match ("/\b{$search _4}\b/", $url);
  31. $soso =preg_match ("/\b{$search _5}\b/", $url);
  32. $bing =preg_match ("/\b{$search _6}\b/", $url);
  33. $youdao =preg_match ("/\b{$search _7}\b/", $url);
  34. $s _s_keyword= "";
  35. $bul =$_server[' Http_referer '];
  36. Get the no parameter domain name
  37. Preg_match (' @^ (?:/HTTP//)? ( [^/]+) @i ', $bul, $matches);
  38. $burl = $matches [1];
  39. Match Domain name settings
  40. $curl = "bbs.it-home.org";
  41. if ($burl! = $curl) {
  42. if ($google)
  43. {//From Google
  44. $s _s_keyword=get_keyword ($url, ' q= ');//The character before the keyword is "q=".
  45. $s _s_keyword=urldecode ($s _s_keyword);
  46. $urlname = "Google:";
  47. $_session["urlname"]= $urlname;
  48. $_session["S_s_keyword"]= $s _s_keyword;
  49. $s _s_keyword=iconv ("GBK", "UTF-8", $s _s_keyword);//engine for GBK
  50. }
  51. else if ($baidu)
  52. {//from Baidu
  53. $s _s_keyword=get_keyword ($url, ' wd= ');//The character before the keyword is "wd=".
  54. $s _s_keyword=urldecode ($s _s_keyword);
  55. $s _s_keyword=iconv ("GBK", "UTF-8", $s _s_keyword);//engine for GBK
  56. $urlname = "Baidu:";
  57. $_session["urlname"]= $urlname;
  58. $_session["S_s_keyword"]= $s _s_keyword;
  59. }
  60. else if ($yahoo)
  61. {//from Yahoo
  62. $s _s_keyword=get_keyword ($url, ' q= ');//The character before the keyword is "q=".
  63. $s _s_keyword=urldecode ($s _s_keyword);
  64. $s _s_keyword=iconv ("GBK", "UTF-8", $s _s_keyword);//engine for GBK
  65. $urlname = "Yahoo:";
  66. $_session["urlname"]= $urlname;
  67. $_session["S_s_keyword"]= $s _s_keyword;
  68. }
  69. else if ($sogou)
  70. {//from Sogou
  71. $s _s_keyword=get_keyword ($url, ' query= ');//The character before the keyword is "query=".
  72. $s _s_keyword=urldecode ($s _s_keyword);
  73. $s _s_keyword=iconv ("GBK", "UTF-8", $s _s_keyword);//engine for GBK
  74. $urlname = "Sogou:";
  75. $_session["urlname"]= $urlname;
  76. $_session["S_s_keyword"]= $s _s_keyword;
  77. }
  78. else if ($soso)
  79. {//From Search
  80. $s _s_keyword=get_keyword ($url, ' w= ');//The character before the keyword is "w=".
  81. $s _s_keyword=urldecode ($s _s_keyword);
  82. $s _s_keyword=iconv ("GBK", "UTF-8", $s _s_keyword);//engine for GBK
  83. $urlname = "Search:";
  84. $_session["urlname"]= $urlname;
  85. $_session["S_s_keyword"]= $s _s_keyword;
  86. }
  87. else if ($bing)
  88. {//From Bing
  89. $s _s_keyword=get_keyword ($url, ' q= ');//The character before the keyword is "q=".
  90. $s _s_keyword=urldecode ($s _s_keyword);
  91. $s _s_keyword=iconv ("GBK", "UTF-8", $s _s_keyword);//engine for GBK
  92. $urlname = "Bing:";
  93. $_session["urlname"]= $urlname;
  94. $_session["S_s_keyword"]= $s _s_keyword;
  95. }
  96. else if ($youdao)
  97. {//From Youdao
  98. $s _s_keyword=get_keyword ($url, ' q= ');//The character before the keyword is "q=".
  99. $s _s_keyword=urldecode ($s _s_keyword);
  100. $s _s_keyword=iconv ("GBK", "UTF-8", $s _s_keyword);//engine for GBK
  101. $urlname = "Youdao:";
  102. $_session["urlname"]= $urlname;
  103. $_session["S_s_keyword"]= $s _s_keyword;
  104. }
  105. else{
  106. $urlname = $burl;
  107. $s _s_keyword= "";
  108. $_session["urlname"]= $urlname;
  109. $_session["S_s_keyword"]= $s _s_keyword;
  110. }
  111. $s _urlname= $urlname;
  112. $s _urlkey= $s _s_keyword;
  113. }
  114. else{
  115. $s _urlname=$_session["urlname"];
  116. $s _urlkey=$_session["S_s_keyword"];
  117. }
  118. ?>
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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:

  1. Get portal keywords for search engines
  2. $_server[' http_referer ']= ' http://www.baidu.com/s?wd=http://bbs.it-home.org ';
  3. echo Save_www_iiwnet_com_keyword (' http://www.baidu.com/s?wd=http://bbs.it-home.org ', ' http://www.baidu.com/s?wd= Http://bbs.it-home.org ');
  4. function Save_www_iiwnet_com_keyword ($domain, $path) {
  5. if (Strpos ($domain, ' google.com.tw ')!==false && preg_match ('/q= ([^&]*)/I ', $path, $regs)) {
  6. $searchengine = ' GOOGLE TAIWAN ';
  7. $keywords = UrlDecode ($regs [1]); Google Taiwan
  8. }
  9. if (Strpos ($domain, ' cn ')!==false && preg_match ('/q= ([^&]*)/I ', $path, $regs)) {
  10. $searchengine = ' GOOGLE China ';
  11. $keywords = UrlDecode ($regs [1]); Google China
  12. }
  13. if (Strpos ($domain, ' google.com ')!==false && preg_match ('/q= ([^&]*)/I ', $path, $regs)) {
  14. $searchengine = ' GOOGLE ';
  15. $keywords = UrlDecode ($regs [1]); Google
  16. }elseif (Strpos ($domain, ' Baidu. ')! ==false && Preg_match ('/wd= ([^&]*)/I ', $path, $regs)) {
  17. $searchengine = ' BAIDU ';
  18. $keywords = UrlDecode ($regs [1]); Baidu
  19. }elseif (Strpos ($domain, ' Baidu. ')! ==false && Preg_match ('/word= ([^&]*)/I ', $path, $regs)) {
  20. $searchengine = ' BAIDU ';
  21. $keywords = UrlDecode ($regs [1]); Baidu
  22. }elseif (Strpos ($domain, ' 114.vnet.cn ')!== false && Preg_match ('/kw= ([^&]*)/I ', $path, $regs)) {
  23. $searchengine = ' CT114 ';
  24. $keywords = UrlDecode ($regs [1]); ct114
  25. }elseif (Strpos ($domain, ' iask.com ')!==false && preg_match ('/k= ([^&]*)/I ', $path, $regs)) {
  26. $searchengine = ' iask ';
  27. $keywords = UrlDecode ($regs [1]); Iask
  28. }elseif (Strpos ($domain, ' soso.com ')!==false && preg_match ('/w= ([^&]*)/I ', $path, $regs)) {
  29. $searchengine = ' SOSO ';
  30. $keywords = UrlDecode ($regs [1]); Soso
  31. }elseif (Strpos ($domain, ' sogou.com ')!==false && preg_match ('/query= ([^&]*)/I ', $path, $regs)) {
  32. $searchengine = ' SOGOU ';
  33. $keywords = UrlDecode ($regs [1]); Sogou
  34. }elseif (Strpos ($domain, ' so.163.com ')!==false && preg_match ('/q= ([^&]*)/I ', $path, $regs)) {
  35. $searchengine = ' NetEase ';
  36. $keywords = UrlDecode ($regs [1]); NetEase
  37. }elseif (Strpos ($domain, ' yodao.com ')!== false && Preg_match ('/q= ([^&]*)/I ', $path, $regs)) {
  38. $searchengine = ' Yodao ';
  39. $keywords = UrlDecode ($regs [1]); Yodao
  40. }elseif (Strpos ($domain, ' zhongsou.com ')!==false && preg_match ('/word= ([^&]*)/I ', $path, $regs)) {
  41. $searchengine = ' Zhongsou ';
  42. $keywords = UrlDecode ($regs [1]); Zhongsou
  43. }elseif (Strpos ($domain, ' search.tom.com ')!==false && preg_match ('/w= ([^&]*)/I ', $path, $regs)) {
  44. $searchengine = ' TOM ';
  45. $keywords = UrlDecode ($regs [1]); Tom
  46. }elseif (Strpos ($domain, ' live.com ')!==false && preg_match ('/q= ([^&]*)/I ', $path, $regs)) {
  47. $searchengine = ' mslive ';
  48. $keywords = UrlDecode ($regs [1]); Mslive
  49. }elseif (Strpos ($domain, ' tw.search.yahoo.com ')!==false && preg_match ('/p= ([^&]*)/I ', $path, $regs)) {
  50. $searchengine = ' YAHOO TAIWAN ';
  51. $keywords = UrlDecode ($regs [1]); Yahoo Taiwan
  52. }elseif (Strpos ($domain, ' Cn.yahoo. ')! ==false && Preg_match ('/p= ([^&]*)/I ', $path, $regs)) {
  53. $searchengine = ' YAHOO China ';
  54. $keywords = UrlDecode ($regs [1]); Yahoo China
  55. }elseif (Strpos ($domain, ' Yahoo! ')! ==false && Preg_match ('/p= ([^&]*)/I ', $path, $regs)) {
  56. $searchengine = ' YAHOO ';
  57. $keywords = UrlDecode ($regs [1]); Yahoo
  58. }elseif (Strpos ($domain, ' msn.com.tw ')!==false && preg_match ('/q= ([^&]*)/I ', $path, $regs)) {
  59. $searchengine = ' MSN TAIWAN ';
  60. $keywords = UrlDecode ($regs [1]); MSN Taiwan
  61. }elseif (Strpos ($domain, ' msn.com.cn ')!==false && preg_match ('/q= ([^&]*)/I ', $path, $regs)) {
  62. $searchengine = ' MSN China ';
  63. $keywords = UrlDecode ($regs [1]); MSN China
  64. }elseif (Strpos ($domain, ' msn.com ')!==false && preg_match ('/q= ([^&]*)/I ', $path, $regs)) {
  65. $searchengine = ' MSN ';
  66. $keywords = UrlDecode ($regs [1]); Msn
  67. }
  68. return $keywords;
  69. }
  70. ?>
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