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8.7 Chapter Summary

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8.7 Chapter Summary

Chapter 8 covers:

  • Understanding why cookies are necessary to identify a particular web browser to a web server.

  • Setting a cookie in a PHP program.

  • Reading a cookie value in a PHP program.

  • Modifying cookie parameters such as expiration time, path, and domain.

  • Deleting a cookie in a PHP program.

  • Turning on sessions from a PHP program or in the PHP interpreter configuration.

  • Storing information in a session.

  • Reading information from a session.

  • Saving form data in a session.

  • Removing information from a session.

  • Configuring session expiration and cleanup.

  • Displaying, validating, and processing a validation form.

  • Using encrypted passwords.

  • Understanding why setcookie( ) and session_start( ) must be called before anything is printed.

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