PHP Custom function to get search engine source keywords method _php tips

This article describes the PHP custom function to get search engine source keyword method. Share to everyone for your reference, specific as follows:

Get the search engine source keyword function:

function GetKeywords () {//Search engine keyword mapping static $host _keyword_map = Array (' www.baidu.com ' => ' wd ', ' v.ba  Idu.com ' => ' word, ' image.baidu.com ' => ' word ', ' news.baidu.com ' => ' word ', ' www.so.com ' =>  ' Q ', ' video.so.com ' => ' Q ', ' image.so.com ' => ' Q ', ' news.so.com ' => ' Q ', ' www.sogou.com '
  => ' query ', ' pic.sogou.com ' => ' query ', ' v.sogou.com ' => ' query ',);
  Check if the source is search engine if (!isset ($_server[' Http_referer '))) {return ';
  } $urls = Parse_url ($_server[' http_referer '));
  if (!array_key_exists ($urls [' Host '], $host _keyword_map)) {return ';
  $key = $host _keyword_map[$urls [' Host ']];
  Check that the keyword parameter exists if (!isset ($urls [' query '])) {return ';
  } $params = Array ();
  Parse_str ($urls [' query '], $params);
  if (!isset ($params [$key])) {return ';
  } $keywords = $params [$key];
  Check code $encoding = mb_detect_encoding ($keywords, ' UTF-8,GBK '); if ($encoding!= 'Utf-8 ') {$keywords = Iconv ($encoding, ' utf-8 ', $keywords);
return $keywords;

 }

function test:

<?php header ("content-type:text/html;
Charset=utf-8 "); $referers = Array (' http://www.baidu.com/s?cl=3&wd=%B9%E9%C0%B4&fr=vid1000 ', ' http://www.baidu.com/s?tn=92 506501_hao_pg&rtt=1&bsst=1&wd=%b9%e9%c0%b4 ', ' http://www.baidu.com/link?url= ctbhf7aaau6lwe61pjoeh-zhgum7d3yhymrm6xixjldqtmxciea7gg49s90q-qh8whd8ano-dpnhuawbbneewebtu8tomf5k1v7xy850etlpzymcs0e _y-scjp86im6e&wd=%e5%bd%92%e6%9d%a5&tn=baidu&ie=utf-8&inputt=2980 ', ' Http://www.baidu.com/link? Url=tin9nr6fwiy6iwwkccvf8hhhoxvuphqsyj1ydlqpy2roxktnsqs_3uxwvyjz2jpkpxf8-disorcspodum_jq2k&wd=%e5%bd%92%e6 %9d%a5&tn=baidu&ie=utf-8&input ', ' http://news.baidu.com/ns?cl=2&rn=20&tn=news&word=%E5% Bd%92%e6%9d%a5&ie=utf-8 ', ' yun_qi_img/error.html ', ' http://v.baidu.com/v?ct=301989888&s=25&ie=utf-8& Amp;word=%e5%bd%92%e6%9d%a5 ', ' http://www.so.com/s?ie=utf-8&shb=1&src=360sou_newhome&q=%E5%BD%92%E6 %9d%a5 ', ' http://video.so.com/v? q=%e5%bd%92%e6%9d%a5&src=tab_www ', ' http://image.so.com/v?q=%e5%bd%92%e6%9d%a5&src=tab_video& Fromurl=http%3a%2f%2fndent.oeeee.com%2fhtml%2f201309%2f16%2f258899.html ', ' http://news.so.com/ns?q=%E5%BD%92%E6 %9d%a5&src=tab_video ', ' http://www.sogou.com/web?query=%E5%BD%92%E6%9D%A5&_asf=www.sogou.com&_ast= 1402284372&w=01019900&p=40040100&ie=utf8&sut=6558&sst0=1402284372272&lkt=0%2c0%2c0 ', ' http://www.sogou.com/web?query=%E5%BD%92%E6%9D%A5&_asf=www.sogou.com&_ast=1402284372&w=01019900 &p=40040100&ie=utf8&sut=6558&sst0=1402284372272&lkt=0%2c0%2c0 ', ' http://pic.sogou.com/d? Query=%b9%e9%c0%b4&mood=0&picformat=0&mode=1&di=0&w=03021800&dr=1&did=1 ', ' http:// V.sogou.com/v?query=%b9%e9%c0%b4&p=&w= ', ' http://www.baidu.com/s?aaa=bbb ', ' http://www.baidu.com/', ' H
ttp://www.jb51.net/',);
  foreach ($referers as $r) {$_server[' http_referer '] = $r; Echo GetKeywords (), "\ n";

 }

Search engine occupancy ratio:

http://engine.data.cnzz.com/

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