ACF: Добавление полей к определенной рубрике

acf-dobavlenie-polej-k-opredelennoj-rubrike.php

<?php

/**
 * Статья https://wp-kama.ru/plugin/acf/dobavlenie-polej-k-opredelennoj-rubrike
 * Видео https://youtu.be/mHJHnyPLf0M
 */

if ( is_admin() && ! wp_doing_ajax() ) {

	add_filter( 'acf/location/rule_types', 'acf_location_rules_types', 999 );
	function acf_location_rules_types( $choices ) {
		$key = __( 'Forms', 'acf' );

		if ( ! isset( $choices[ $key ] ) ) {
			$choices[ $key ] = [];
		}

		$choices[ $key ]['category_id'] = __( 'Category' );

		return $choices;
	}

	add_filter( 'acf/location/rule_values/category_id', 'acf_location_rules_values_category' );
	function acf_location_rules_values_category( $choices ) {
		$terms = get_terms( 'category', [ 'hide_empty' => false ] );

		if ( $terms && is_array( $terms ) ) {
			foreach ( $terms as $term ) {
				$choices[ $term->term_id ] = $term->name;
			}
		}

		return $choices;
	}

	add_filter( 'acf/location/rule_match/category_id', 'acf_location_rules_match_category', 10, 3 );
	function acf_location_rules_match_category( $match, $rule, $options ) {
		$screen = get_current_screen();

		if ( $screen && ( $screen->base !== 'term' || $screen->id !== 'edit-category' ) ) {
			return $match;
		}

		$term_id       = $_GET['tag_ID'];
		$selected_term = $rule['value'];

		if ( $rule['operator'] == '==' ) {
			$match = ( $selected_term == $term_id );
		} elseif ( $rule['operator'] == '!=' ) {
			$match = ( $selected_term != $term_id );
		}

		return $match;
	}

}