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一个小片段 if(isset($_SERVER['HTTP_REFERER'])) {
$in['ref'] = $_SERVER['HTTP_REFERER'];
}
//...
if(isset($in['ref'])) {
$found=false;
/* referrer on same domain ? */
if(isset($in['domain'])) {
$refdomain=eregi_replace("^www.","",parse_url($in['ref'],PHP_URL_HOST));
if($in['domain']==$refdomain) {
$found=true;
}
unset($refdomain);
}
/* check referrer ignore list */
if($found==false && is_file('refferer.ignore.txt') && filesize('refferer.ignore.txt')>0) {
$ignorelist=explode("\n",file_get_contents('refferer.ignore.txt'));
$maxi=count($ignorelist);
if($maxi>0) {
$i=0;
while(false===$found && $i
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