This is a quick one for advanced users, is a recent problem, I answered StackOverflow inspired.
Magento as well as about an abstract system as one of the advantages is the opportunity it presents metaprogramming. Drops action in a controller (which is the following code, you can define an internal function in PHP)
magento getresourcemodel addattributetofilter The function addAttributeToFilter can be called on a product collection in Magento. In short, it adds a condition to the WHERE part of the MySQL query used to extract a product collection from the database. This is helpful when you need to filter your product listing result …
In our last article we told you there were two types of models in Magento. Regular, or “simple” models, and entity attribute value (or EAV) model. We also told you this was a bit of a fib. Here is where we come clean.
The following is part of a longer series on Magento aimed at developers familiar with PHP MVC development. Although each article can be read stand alone, each article is based on concepts and code covered in previous articles. If you are confused, especially to catch up on the earlier work first.
The Model-View-Controller (MVC) architecture traces its roots back to the programming language Smalltalk and Xerox Parc. Since then, many systems to describe their architecture and MVC. Each system is different, but they all have the goal of separating data access, business logic and user interface code from each other.
The architecture of PHP MVC frameworks, most will look something like this.