"must visit form url"

[bart-b]

Hey I saw some sort of code that that gave you a message "must visit from URL". Does any1 have or know where I can get it!

[bretticus]

And what does this code accomplish?

[bart-b]

Like for a psssword script.

[NYSiRacer]

if(!preg_match("/^http:\\/\\/(www\\.)?yourdomain\\.com/i",getenv("HTTP_REFERER"))) {
die('Must visit from url');
} else {
// Do whatever you want to do here //
}