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  Tutorial: PHP Database Related Admin user interface: adding and deleting users Tutorial

This is the second part of creating Web-based admin user interface. This tutorial covers adding and deleting users via Web form using a MySQL database.

Tutorial Details:

Admin user interface: adding and deleting users

Creating a page by page validation is to create the actual form the admin sees. The simplest way for the delete functionality is to make an alphabetically sorted list of usernames and then a button to delete. In my last diary entry I explored creating a dynamic drop down list, now we need to take that one slight step further and use the SQL statement ORDER BY which will put the data returned in alphabetical ascending or descending order. The default is ASC which is ascending order (abc... 123...) so we do not need to put the ASC in the SELECT statement. We only need to slightly embellish upon the code from yesterday to change this.

Note the line bolded in green. This is our hidden input field which will flag our admin script and tell it that we need to goto the branch of code for deleting users. This way we can self-contain our admin script in one script instead of having to call a separate script. The option values will be script-generated, using the php function mysql_query and the correctly prepared SQL query. If you need more help on how the dynamic dropdown select list is assembled see the last diary entry.


 

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