后端开发|php教程
搜索引擎,关键字
后端开发-php教程
最近遇到一个项目，客户需要一个功能，一个商品销售下单需要知道用户下单是从哪个途径来的，认为客服软件（53客服）和站长统计只能满足工作时间，及晚上下班和周六日休息，客服不在线，用户下单会不知道该订单的具体来源，所以嘛，又只能通过网站功能来增加一字段，获取来源关键字，如何获取来源关键字，代码发在下面，里面包含（百度、谷歌、雅虎、搜狗、搜搜、必应、有道）几大搜索引擎的获取方法，代码中均注明，希望对你有帮助，分享一下
搜猫搜索引擎源码x3.1,ubuntu安装最低配置,阿里法拍 爬虫,dirname() php,美的seo网lzw
代码如下：
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<?php
//获取来自搜索引擎入站时的关键词
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]:\;//获取入站url。
$search_1=""; //q= utf8
$search_2=""; //wd= gbk
$search_3=""; //q= utf8
$search_4=""; //query= gbk
$search_5=""; //w= gbk
$search_6=""; //q= utf8
$search_7=""; //q= utf8
$google=preg_match("/\b{$search_1}\b/",$url);//记录匹配情况，用于入站判断。
$baidu=preg_match("/\b{$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];
//获取没参数域名
preg_match(@^(?:http://)?([^/]+)@i,$bul,$matches);
$burl=$matches[1];
//匹配域名设置
$curl="";
if($burl!=$curl){
if ($google)
{//来自google
$s_s_keyword=get_keyword($url,q=);//关键词前的字符为"q="。
$s_s_keyword=urldecode($s_s_keyword);
$urlname="谷歌：";
$_SESSION["urlname"]=$urlname;
$_SESSION["s_s_keyword"]=$s_s_keyword;
//$s_s_keyword=iconv("GBK","UTF-8",$s_s_keyword);//引擎为gbk
}
else if($baidu)
{//来自百度
$s_s_keyword=get_keyword($url,wd=);//关键词前的字符为"wd="。
$s_s_keyword=urldecode($s_s_keyword);
$s_s_keyword=iconv("GBK","UTF-8",$s_s_keyword);//引擎为gbk
$urlname="百度：";
$_SESSION["urlname"]=$urlname;
$_SESSION["s_s_keyword"]=$s_s_keyword;
}
else if($yahoo)
{//来自雅虎
$s_s_keyword=get_keyword($url,q=);//关键词前的字符为"q="。
$s_s_keyword=urldecode($s_s_keyword);
//$s_s_keyword=iconv("GBK","UTF-8",$s_s_keyword);//引擎为gbk
$urlname="雅虎：";
$_SESSION["urlname"]=$urlname;
$_SESSION["s_s_keyword"]=$s_s_keyword;
}
else if($sogou)
{//来自搜狗
$s_s_keyword=get_keyword($url,query=);//关键词前的字符为"query="。
$s_s_keyword=urldecode($s_s_keyword);
$s_s_keyword=iconv("GBK","UTF-8",$s_s_keyword);//引擎为gbk
$urlname="搜狗：";
$_SESSION["urlname"]=$urlname;
$_SESSION["s_s_keyword"]=$s_s_keyword;
}
else if($soso)
{//来自搜搜
$s_s_keyword=get_keyword($url,w=);//关键词前的字符为"w="。
$s_s_keyword=urldecode($s_s_keyword);
$s_s_keyword=iconv("GBK","UTF-8",$s_s_keyword);//引擎为gbk
$urlname="搜搜：";
$_SESSION["urlname"]=$urlname;
$_SESSION["s_s_keyword"]=$s_s_keyword;
}
else if($bing)
{//来自必应
$s_s_keyword=get_keyword($url,q=);//关键词前的字符为"q="。
$s_s_keyword=urldecode($s_s_keyword);
//$s_s_keyword=iconv("GBK","UTF-8",$s_s_keyword);//引擎为gbk
$urlname="必应：";
$_SESSION["urlname"]=$urlname;
$_SESSION["s_s_keyword"]=$s_s_keyword;
}
else if($youdao)
{//来自有道
$s_s_keyword=get_keyword($url,q=);//关键词前的字符为"q="。
$s_s_keyword=urldecode($s_s_keyword);
//$s_s_keyword=iconv("GBK","UTF-8",$s_s_keyword);//引擎为gbk
$urlname="有道：";
$_SESSION["urlname"]=$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"];
}
?>
有一点要记住，由于各搜索引擎的页面编码不一样，有的是GBK,有的是UTF8,所以在获取时会有不同对字符编码的转换
转载请注明：/program/12.html
优惠券直播间源码,战x装ubuntu,tomcat6内存移除,新建爬虫项目,php不同函数之间变量,没有seo经验怎么做seolzw
下面是另外一个函数，也可以参考下
<?php
$_SERVER[HTTP_REFERER]=/s?wd=;
echo save_www_iiwnet_com_keyword(/s?wd=,/s?wd=);
function save_www_iiwnet_com_keyword($domain,$path){
if(strpos($domain, .tw)!==false && preg_match(/q=([^&]*)/i,$path,$regs)){
$searchengine = GOOGLE TAIWAN;
$keywords = urldecode($regs[1]); // google taiwan
}
if(strpos($domain,\)!==false && preg_match(/q=([^&]*)/i,$path,$regs)){
$searchengine = GOOGLE CHINA;
$keywords = urldecode($regs[1]); // google china
}
if(strpos($domain,\)!==false && preg_match(/q=([^&]*)/i,$path,$regs)){
$searchengine = GOOGLE;
$keywords = urldecode($regs[1]); // google
}elseif(strpos($domain,aidu.)!==false && preg_match(/wd=([^&]*)/i,$path,$regs)){
$searchengine = BAIDU;
$keywords = urldecode($regs[1]); // baidu
}elseif(strpos($domain,aidu.)!==false && preg_match(/word=([^&]*)/i,$path,$regs)){
$searchengine = BAIDU;
$keywords = urldecode($regs[1]); // baidu
}elseif(strpos($domain,\)!== false && preg_match(/kw=([^&]*)/i,$path,$regs)){
$searchengine = CT114;
$keywords = urldecode($regs[1]); // ct114
}elseif(strpos($domain,\)!==false && preg_match(/k=([^&]*)/i,$path,$regs)){
$searchengine = IASK;
$keywords = urldecode($regs[1]); // iask
}elseif(strpos($domain,\)!==false && preg_match(/w=([^&]*)/i,$path,$regs)){
$searchengine = SOSO;
$keywords = urldecode($regs[1]); // soso
}elseif(strpos($domain, \)!==false && preg_match(/query=([^&]*)/i,$path,$regs)){
$searchengine = SOGOU;
$keywords = urldecode($regs[1]); // sogou
}elseif(strpos($domain,\)!==false && preg_match(/q=([^&]*)/i,$path,$regs)){
$searchengine = NETEASE;
$keywords = urldecode($regs[1]); // netease
}elseif(strpos($domain,\)!== false && preg_match(/q=([^&]*)/i,$path,$regs)){
$searchengine = YODAO;
$keywords = urldecode($regs[1]); // yodao
}elseif(strpos($domain,\)!==false && preg_match(/word=([^&]*)/i,$path,$regs)){
$searchengine = HONGSOU;
$keywords = urldecode($regs[1]); // zhongsou
}elseif(strpos($domain,\)!==false && preg_match(/w=([^&]*)/i,$path,$regs)){
$searchengine = TOM;
$keywords = urldecode($regs[1]); // tom
}elseif(strpos($domain,\)!==false && preg_match(/q=([^&]*)/i,$path,$regs)){
$searchengine = MSLIVE;
$keywords = urldecode($regs[1]); // MSLIVE
}elseif(strpos($domain, w.)!==false && preg_match(/p=([^&]*)/i,$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($domain,.tw)!==false && preg_match(/q=([^&]*)/i,$path,$regs)){
$searchengine = MSN TAIWAN;
$keywords = urldecode($regs[1]); // msn taiwan
}elseif(strpos($domain,\)!==false && preg_match(/q=([^&]*)/i,$path,$regs)){
$searchengine = MSN CHINA;
$keywords = urldecode($regs[1]); // msn china
}elseif(strpos($domain,\)!==false && preg_match(/q=([^&]*)/i,$path,$regs)){
$searchengine = MSN;
$keywords = urldecode($regs[1]); // msn
}
return $keywords;
}
