Authenticating Users Using HTTP Authentication
PHP has some built-in support for basic “HTTP Authentication.” HTTP authentication is the type of authentication in which a small window pops up in front of the browser prompting you for a username and password. Figure 7-2 and Figure 7-3 show HTTP Authentication windows in Internet Explorer and Mozilla for Linux, respectively. HTTP authentication is server-dependent, the most common example of which is Apache's HTTP authentication method. The methods described here assume you are using an Apache server.
Figure 7-2. HTTP Authentication Login Window in Internet Explorer
Figure 7-3. HTTP Authentication ...
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