1

How might I eager load category data in a plugin? I can't seem to figure out why I can't access a category in this way:

locationOffers is a matrix block name, category is the handle of a related category field inside of the matrix block

// this adds an empty category array to each related offer
$relatedOffers = $entry->locationOffers->with(['category'])->all(); 
print_R($relatedOffers->category); // is empty

// this regular way works, where I can access category->title, and more, 
// but is not eager loaded
$relatedOffers = $entry->locationOffers->all();
3

Apologies, I misread the question the first time around.

When eager loading via a matrix block, you need to provide a blocktype as well as the field name.

See: https://docs.craftcms.com/v3/dev/eager-loading-elements.html#eager-loading-elements-related-to-matrix-blocks for more details

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1

You need to loop through the array returned by your element query

foreach ($relatedOffers as $offer) {
    print_r($offer->category);
}
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  • The array is empty, so there's nothing to loop through. – jpea Oct 1 '19 at 12:28

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