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IronGhost63/query.php

Last active September 30, 2020 12:18
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WP_Query only parent categories
Raw
query.php
<?php
namespace App;
use \WP_Query;
$categories = get_categories( ['parent' => 0] );
$ids = array_map( function( $category ) {
return $category->term_id;
}, $categories);
// Or with arrow function as in PHP 7.4
// $ids = array_map( fn($category) => $category->term_id, $categories );
$posts = new WP_Query( [
'category__in' => $ids,
] );
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