To use codeigniter framework or standard php? [closed]

• CodeIgniter has a learning curve but that curve is likely to be quicker than your custom framework. That's because CodeIgniter is well documented.
• CodeIgniter is a fairly comprehensive library. Once you learn the framework, you can employ any of its libraries not only in the current project but in various other projects.
• The work is already done for you. You may not even know that a XSS or CSRF exploit exists in your code because you haven't done a thorough security audit. But a community framework is under constant audit.
• You can extend CodeIgniter to your own needs and still have custom functionality.
• After using CodeIgniter for a sufficient period of time, you'll inevitably pick up some great programming practices and improve your overall knowledge since the framework employs many best practies.
• It is likely that if you encounter a problem situation, someone else has already solved it. CodeIgniter also has a good community through which you could save yourself hours of debugging.

That said, CodeIgniter is not the only framework but I really do like that fact that with the newer release they have moved to PHP5. In general, open source frameworks are the way to go.

I would strongly disagree.

The details of the project would be very helpful, but in general frameworks are very helpful and speed up the work (not necessarily the application) significantly.

Consider the fact, that 'Custom PHP Framework' (whatever they think of) is... custom. That means it is not tested as eg. Zend Framework, it has not proven to be efficient and successful in thousands of projects, and it is probably something very simple (as large frameworks have been developed for years by big teams of developers plus the developers of companies that use them).

Of course coding PHP can be quite good option, when you really need speed (of the application), have time to build it and money to pay the developers that will be developing it quite extensively (because they will be implementing many features that come with almost every PHP framework). But you have to be sure, that you really need to take that non-standard approach (as 'non-standard' I mean not using some reliable framework).

It is up to you. If you can give some details about the application that has to be created, the answers may be more relevant.

Non-Business projects: Standard PHP. Business projects: CI.

Trying to build you own Framework is very educative and will help you a lot; it will also let you create a framework that fit your needs instead of a general one. But that could be done only if you are managing to create a non Business projects because Business ones requires stability that you may not get from a home-made framework. By creating your own framework you might loose a lot of time (which is expensive when working with business stuff) and money for nothing.

It basically depends on your project type.