原理是从url中提取关键词。参数说明:url及关键词前的字符,然后进行处理与来源判断是那个搜索引擎,这样保存到数据就就行了。
//
$search_url = isset($_get['url'])?$_get['url']:''; //代表传入的地址
/*$search_url = urldecode($search_url);
print_r($search_url);
*/$config = array(
"s1"=>array(
"domain" => "google.com",
"kw" => "q",
"charset" => "utf-8"
),
"s3"=>array(
"domain" => "google.cn",
"kw" => "q",
"charset" => "utf-8"
),
"s4"=>array(
"domain" => "baidu.com",
"kw" => "wd",
"charset" => "gbk"
),
"s5"=>array(
"domain" => "soso.com",
"kw" => "q",
"charset" => "utf-8"
),
"s6"=>array(
"domain" => "yahoo.com",
"kw" => "q",
"charset" => "utf-8"
),
"s7"=>array(
"domain" => "bing.com",
"kw" => "q",
"charset" => "utf-8"
),
"s8"=>array(
"domain" => "sogou.com",
"kw" => "query",
"charset" => "gbk"
),
"s9"=>array(
"domain" => "youdao.com",
"kw" => "q",
"charset" => "utf-8"
),
);//函数作用:从url中提取关键词。参数说明:url及关键词前的字符。
function get_keyword($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']] = $keys;
}
}
echo "";<br> print_r($arr_key); <p>?><br> </p>登录后复制