Magento 2 get product collection
In this tutorial I show you how to get product collection for your Magento 2 shop. A product collection gets you all needed product information and can be filtered by all product attributes. Magento...
Tagged: collection
Magento – get order collection by payment
If you are working on a Magento module to compute order data, you may have the task to get order collection by payment. This is sometimes needed to separate orders done by pre payment...
Magento 2 compound primary keys
I recently tried to use compound primary keys in Magento 2. I got different problems with this and ended up with a solution, that is not optimal. In case of Magento, the only possible...
Magento 2 – get customer collection
In this tutorial I show you how to get customer collection. If you want to programmatically change or get customers, this will be the obvious way to get customer objects. With a collection you...
Magento allowed memory size of exhausted error
As Magento developer you may face with allowed memory size of exhausted error quite often. Magento is a system that may need a lot of memory. Sometimes you will need some hundred mega- or...
Magento 2 – find products without category
In this tutorial I show you how to find products without category in Magento 2, so called orphan products. Orphan products are products that are not connected to a category. If they are not...
Magento 2 – debug collection filter
Sometimes it is quite complicated to debug collection filters. You may have the correct code, but it doesn’t return data. Hours later you find out, that there are no data available for this filter....
Magento 1 – set order of collection
In this tutorial I show you how to set order of collection. It is sometimes quite frustrating to set order, because there are two possible methods. Depending on your collection and column you want...
Magento 2 – export categories
Magento 2 has no export categories option in backend. It is strange, that no one has implemented this, but as developer we can do it by our own. I show you a simple script...
Magento 1 – collection iteration optimization
In this tutorial I show you how to optimize collection iteration. If you use large collections, you may have discovered performance problems. Especially for low cost hosting systems, there may be drawbacks if you...
