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How to determine the visiting web page address in php_PHP tutorial
- WBOYOriginal
- 2016-07-13 10:22:53926browse
How does php determine the address of the visiting web page
How does php determine the address of the visiting web page:
PHP uses the system function "HTTP_REFERER" to determine the visiting web page address
If you register as a user, you must come from a certain website
$str=@$_SERVER[’HTTP_REFERER’];//@ is the debugging function
if(strstr($str,www.code-123.com))//
echo "from www.code-123.com";
else
echo "Other URL";
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