function seReferer($ref = false){
$SeReferer = (is_string($ref) ? $ref : $_SERVER['HTTP_REFERER']);
if(
preg_match(
"/[&\?](q|p|w|searchfor|as_q|as_epq|s|query|sTerm|Keywords)=([^&]+)/i",
$SeReferer,$pcs)
){
if(preg_match("/https?:\/\/([^\/]+)\//i",$SeReferer,$SeDomain)){
$SeDomain = trim(strtolower($SeDomain[1]));
$SeQuery = $pcs[2];
if(preg_match("/[&\?](start|b|first|stq)=([0-9]*)/i",$SeReferer,$pcs)){
$SePos = (int)trim($pcs[2]);
}
}
}
if(!isset($SeQuery)){
if(
preg_match(
"/\/search\/web\/([^\/]+)\//i",
$SeReferer,$pcs)
){
if(preg_match("/https?:\/\/([^\/]+)\//i",$SeReferer,$SeDomain)){
$SeDomain = trim(strtolower($SeDomain[1]));
$SeQuery = $pcs[1];
}
}
}
if(!isset($SeQuery)){ return false; }
$OldQ=$SeQuery;
$SeQuery=urldecode($SeQuery);
while($SeQuery != $OldQ){
$OldQ=$SeQuery; $SeQuery=urldecode($SeQuery);
}
return array(
"Se"=>$SeDomain,
"Query"=>$SeQuery,
"Pos"=>(int)$SePos,
"Referer"=>$SeReferer
);
}