php中获取关键词及所属来源搜索引擎名称的代码
2018-09-07 15:14
复制代码 代码如下:
<!DOCTYPE HTML PUBLIC -//W3C//DTD HTML 4.01//EN
<html>
<head>
<meta http-equiv=Content-Type content=text/html; charset=gb2312 />
<title>greengnn codes</title>
</head>
<body>
<form action=index.php method=get>
<input name=url size=80><button type=submit>GO</button>
</form>
<?php
//获取关键词及所属来源搜索引擎名称
$search_url = isset($_GET[url])?$_GET[url]:; //代表传入的地址
/*$search_url = urldecode($search_url);
print_r($search_url);
*/
$config = array(
s1=>array(
kw => q,
charset => utf-8
),
s3=>array(
kw => q,
charset => utf-8
),
s4=>array(
kw => wd,
charset => gbk
),
s5=>array(
domain => soso.com,
kw => q,
charset => utf-8
),
s6=>array(
domain => yahoo.com,
kw => q,
charset => utf-8
),
s7=>array(
domain => bing.com,
kw => q,
charset => utf-8
),
s8=>array(
domain => sogou.com,
kw => query,
charset => gbk
),
s9=>array(
domain => youdao.com,
kw => q,
charset => utf-8
),
);
//函数作用：从url中提取关键词。参数说明：url及关键词前的字符。
function get_keyword($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;
}
$arr_key = array();
foreach($config as $item){
$sh = preg_match(/\b{$item[domain]}\b/,$search_url);
if($sh){
$query = $item[kw].=;
$s_s_keyword = get_keyword($search_url,$query);
$F_Skey=urldecode($s_s_keyword);
if($item[charset]==utf-8){
$F_Skey=iconv( UTF-8,gb2312//IGNORE,$F_Skey); //最终提取的关键词
}
$keys = explode( ,$F_Skey);
$arr_key[$item[domain]] = $keys;
}
}
echo <pre>;
print_r($arr_key);
?>