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look in the $_SERVER array for the path to this page and do a check, if not this page then output
Can be screwed up like this:
if(JRequest::getVar('option') != 'com_contact'){
// ...
}
At a simple level of understanding: the table contains subsets of options to complete. That is, users, news, groups, etc. are stored in their users, news, groups table. It is also necessary to have relationships in order to understand what each table is related to.
Imagine that Users are residents of one database House. They have an apartment number, a name, a phone number... Sayaz can be determined for a mailbox by matching the apartment number.
All this is done through requests.
Yes, everything is almost the same as for any other site. The database has tables in it, they are connected. How to organize depends on the type of database you are using.
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