PHP Code _php tutorial for obtaining keyword and source search engine names

Copy CodeThe code is as follows:




<title>GREENGNN Codes</title>




Get keyword and source search engine name

$search _url = isset ($_get[' url '))? $_get[' URL ']: '; Represents an incoming address
/* $search _url = UrlDecode ($search _url);
Print_r ($search _url);
*/

$config = Array (
"S1" =>array (
"Domain" = "google.com",
"KW" = "Q",
"CharSet" = "Utf-8"
),
"S3" =>array (
"Domain" and "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"
),
);

Function: Extracts the keywords from the URL. Parameter description: The URL and the character before the keyword.
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); Final extraction of keywords
}
$keys = Explode ("", $F _skey);
$arr _key[$item [' domain '] = $keys;
}
}
echo "

 Print_r ($arr _key); 
?> 
 
 
 
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