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#### Welcome back!, if you’re new please be sure to read [Part 1 here](https:/ /nomadphp.com/blog/1925/code-with-me-challenge-custom-cms-development-with-php-and-mysql).
This tutorial will focus primarily on Security and will touch on how to plan functionality.
Planning out an application and seeing progress regularly is a good strategy as you are most likely to complete your tasks in a timely fashion with this approach.
Ready?, ok let’s jump into it!
> We highly recommend that you follow these tutorials on a localhost testing server like Uniserver. Read through [Part 1 here](https:/ /nomadphp.com/blog/1925/code-with-me-challenge-custom-cms-development-with-php-and-mysql) to look at our recommendations. These tutorials follow a phased approach and it is highly recommended that you do not make snippets of code live prior to co...
It took me quite some time to settle on my first blog post in this series and I found myself thinking about the most requested functionality in my career – The good ‘ol Custom CMS – typically geared towards clients that want a straight forward, secure solution that can be expanded upon in a modular format and that’s their IP.
This will be our starting point. A blank slate to build something epic with clean code and even cleaner design. And in the spirit of building from scratch, I will refrain from using classes or a framework. The main reasoning behind this is to truly get everyone acquainted with and excited about PHP development.
Join me as I transform rudimentary code into something extraordinary that can be morphed into just about any Content, PHP, and MySQL driven project. So without further ado, let’s jump into ...
![Working With Thin Controller And Fat Model Concept In Laravel](https://images.ctfassets.net/vzl5fkwyme3u/18L41PfcrcYYkM0qAsCous/7caca26b8cfb5a643d8cb16b14ae5eae/AdobeStock_147870533.jpeg?w=1000)
Models and controllers are one of the most essential programming handlers in the Laravel MVC framework, and both are used vastly for different functional operations. Models in Laravel are created inside the app folder and are mostly used to interact with the database using Eloquent ORM, while the controllers are located inside the directory App/Http/Controllers.
As a programmer, you should have the knowledge how to keep the balance in between the programming usage of Models and controllers. As which one should be more utilized for allowing functional tasks in applications deployed on any [PHP MySQL hosting](https://www.cloudways.com/en/php-cloud-hosting.php).
## What is the Concept of Thin Controller and FAT Models
The concept of ...
![Iterator in PHP](https://images.ctfassets.net/vzl5fkwyme3u/5I2KRmarVm4Gg0GuYcOeSk/b8c5156475053a19537059c19f244d61/AdobeStock_144145979.jpeg?w=1000)
Every time I see this
$users = [new User(), new User()];
I see a lost opportunity to use Iterator.
### Why Iterators?
Collections are an awesome way to organize your previously no-named array. There is a couple of reasons why you should use iterators. One of reason stays for behavior, you can specify exact behavior on standard calls such as next, current, valid etc. Other reason could be that you want to ensure that collection contains an only specific type of an object.
Understand a suffer from using an array of unknown value types.
Very common in the PHP world arrays are used to store all kind of data, in many dimensions in many nested forms. Arrays introduced infinite flexibility to the developer, but because of that, they become very evil.