How PHP determines the address of a visiting webpage _php tutorial

How PHP determines the address of a visiting Web page

How PHP determines the address of a visiting webpage:

PHP uses the system function "Http_referer" to determine the address of a visiting Web page

If you are registering a user, it must be from a URL.

$str =@$_server[' http_referer '];//@ for debugging functions

if (Strstr ($str, www.code-123.com))//

echo "from www.code-123.com";

Else

echo "Other URLs";

http://www.bkjia.com/PHPjc/845127.html www.bkjia.com true http://www.bkjia.com/PHPjc/845127.html techarticle PHP How to determine the address of the page to visit PHP How to determine the address of the Web page: PHP Use the system function Http_referer to determine the address of the Web page, such as registered users must be from a URL $s ...

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