Online PHP editor | output for 5psNk

<?php $categories = ' [ { "id":5, "parent_id":0, "image_url":"https://files.cdn.printful.com/o/upload/catalog_category/77/7776d01e716d80e3ffbdebbf3db6b198_t?v=1652883254", "title":"Home & living" }, { "id":6, "parent_id":1, "image_url":"https://files.cdn.printful.com/o/upload/catalog_category/4b/4b37924aaa8e264d1d3cd2a54beb6436_t?v=1652883254", "title":"All shirts" } ] '; $data = json_decode($categories, true); $relevant = array_filter($data, function($entry) { return $entry['parent_id'] !== 0; }); var_dump($relevant);