Analysis of basic HTTP authentication techniques in PHP

This article mainly introduces the basic HTTP authentication techniques in PHP, example analysis of the principle of HTTP authentication and implementation methods, with a certain reference value, the need for friends can refer to the

This example describes the basic HTTP authentication techniques in PHP. Share to everyone for your reference. The specific analysis is as follows:

The combination of. htaccess files and. htpasswd files is used to prevent users from accessing directories on certain servers. These files contain information about the user being allowed access to a directory and his or her own password. HTTP authentication can be done by sending special HTTP header information without using the. htaccess file

The code is as follows: <?php
if (!isset ($_server[' Php_auth_user ')) {
Header ("Www-authenticate:basic realm=" "My Private area");
Header ("http/1.0 401 Unauthorized");
Print "You need valid credentials to get Access!n";
Exit
} else {
if (($_server[' php_auth_user '] = = ' Mani ') && ($_server[' php_auth_pw '] = = ' w#m3nt0r ')) {
Print "Welcome to the private area!";
} else {
Header ("Www-authenticate:basic realm=" "My Private area");
Header ("http/1.0 401 Unauthorized");
Print "You need valid credentials to get Access!n";
Exit
}
}
?>

I hope this article will help you with your PHP program design.