joomla 2.5, user authentication -

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i trying work out solution, how make authentication joomla 2.5 website. did log in form, , created test users, although don't know how access joomla db. can me find solution question. answers found on google, didn't quite understand. nice if share tutorials.

thank in advance.

try , think useful you, http://docs.joomla.org/j2.5:accessing_the_database_using_jdatabase


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