This article was written for Magento 1.x and is kept for reference. Running Magento 1 in 2026 is a security risk — ask me about migrating to Magento 2 / Adobe Commerce.
Filter product collections: eq, neq, gt, lt, gteq, lteq, like, in, notnull and more.
The full article is being restored as part of the site rebuild. Need this fix right now? Contact me and I'll send you the complete steps — or solve it on your store directly.