How to implement digest authentication by writing php applications

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As with basic authentication, you can also use PHP web pages to process HTTP request header fields to match digest authentication information. For example, the following code requires the client to use Digest authentication using the header() function, which adds a WWW-Authenticate field to the HTTP message header:

header('WWW-Authenticate:Digest Realm="MyRealm",nonce="47alf7cf25ce7",algorithm=MD5,qop="auth"');

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The following code describes a Web page that uses digest authentication (Apache authentication is deconfigured first).

The copy code is as follows: