Http Authorization for simple Web user password verification

Recently want to add a simple user name verification mechanism in the Web page, because previously used Sina cloud HTTP authorization authentication method, as a single page verification naturally more appropriate.
In fact, the HTTP user authentication method is very simple, by judging $_server[' Php_auth_user ') and $_server[' PHP_AUTH_PW '] two values to post a simple example:

    
     if (!isset($_SERVER['PHP_AUTH_USER'])) {    header('WWW-Authenticate: Basic realm="My Realm"');    header('HTTP/1.0 401 Unauthorized');    echo'Text to send if user hits Cancel button';    exit;} else {    echo"
Hello {$_SERVER['PHP_AUTH_USER']}.
";    echo"
You entered {$_SERVER['PHP_AUTH_PW']} as your password.
";}?>

In the else of the above code, determine if the user name and password are the same as specified.

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The above describes the HTTP authorization implementation of a simple Web user password verification, including the aspects of the content, I hope that the PHP tutorial interested in a friend helpful.

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