It's been commonly accepted you should never use \Magento\Framework\App\ObjectManager::getInstance() I can link sources explaining why if needed. Given this how would I go about getting the names of my categories if I should never use \Magento\Framework\App\ObjectManager::getInstance()? Thanks.

EDIT: I don't just want category names I'd like IDs and various other bits of information for each but names is a good start

  • 1
    check this answer , it follows the best practice
    – Piyush
    Feb 1, 2018 at 11:21
  • Thank you this was exactly what I was looking for @Piyush how do i close my own question?
    – John
    Feb 1, 2018 at 11:24
  • You can answer it and mark the answer accepted or delete it
    – Piyush
    Feb 1, 2018 at 11:25

1 Answer 1


Read the comments to the original question if you need a solution to my problem

    public function __construct(
    \Magento\Catalog\Model\ResourceModel\Category\CollectionFactory $collecionFactory
) {
    $this->_collectionFactory = $collecionFactory;

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