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addfieldtofilter Magento 2 | An Introduction

Did you know addFieldToFilter is a method in Magento 2? It allows us to filter a collection of objects according to specific criteria. Furthermore, it can retrieve a subset of objects that match specific conditions, like products with a particular attribute value, customers with a specific email address, and so on.

In other words, when we call the addfieldtofilter method on a collection object, we get to mention the field that we want to filter on as well as the value we want to filter by.

For instance, if we want to filter by the product name from our product collection, we have to use the “addfieldtofilter” method like this:

$productCollection = $objectManager->create('Magento\Catalog\Model\ResourceModel\Product\Collection'); $productCollection->addfieldtofilter('name', 'Our Product Name');

The above code can retrieve all products with “Our Product Name” as the name in the product collection.

Additionally, there are several conditions that we can use with addFieldToFilter as seen below:

• Equal: eq
• Not Equal: neq
• Like: like
• Not Like: –nlike
• In: in
• Not In: nin
• NULL: null
• Not NULL: notnull
• Greater Than: gt
• Less Than: lt
• Greater Than or Equals To: gteq
• Less Than or Equals To: lteq

Our experts would like to point out that addFieldToFilter is one of the many ways to filter a collection in Magento 2. Some of the other methods include addAttributeToFilter, addCategoryFilter, and so on.

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Conclusion

To sum up, our Support Techs introduced us to addfieldtofilter method in Magento 2.