If you are using CodeIgniter, as well as any other PHP framework, you may notice that building CRUD forms is one of the most bother and routine tasks. Probably 80% of general web applications uses CRUD (create/read/update/delete).

In CodeIgniter, you can use any of the form generation libraries.

One of my preferred libraries is Form Generation Library by Frank Michel (see @macigniter’s thread here). It allows you to create clean XHTML forms with CodeIgniter. See demo here.

Using Form Generation Library

So, in order to use this library, you need to download it from here (library files only is enough if you don’t want the entire site structure).

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Imagine you have a view with a <FORM> that need to submit to the same controller class. Probably you don’t want to hardcode the action attribute of your form nor leaving it in blank.

Using PHP_SELF could be a possible approach. However, since $_SERVER[‘PHP_SELF’] is a PHP server variable (nothing to do with CodeIgniter), you may encounter some problems with different environments.

So, why not to use the built-in CodeIgniter URI library? My solution to this problem is the following. Use $this->uri->uri_string() in conjunction with site_url().

Here is a simple example: