MjHead

<?php

add_filter( 'jet-engine/listings/filters-list', 'jet_add_pdf_link_filter' );

/**
 * Add 'get_pdf_link' to allowed filters list
 *
 * @param  array $filters Registered filters
 * @return array
 */

MjHead

<?php

/**
 * Register new query variables for post type and author
 *
 * @param  array $vars Default query variables array
 * @return array
 */
function my_register_filter_query_vars( $vars ) {
	array_unshift( $vars, 'post_type', 'author' );

ihslimn

add_filter( 'jet-engine/listings/macros-list', 'register_format_date_string_macro' );

        function register_format_date_string_macro( $macros_list ) {

                $macros_list['format_date'] = array(
                        'label' => 'Format date string',
                        'cb'    => '_get_format_date_string',
                        'args'  =>  array( 'format' => array(
                                        'label'   => 'Format',
                                        'type'    => 'text',

Crocoblock

<?php

add_filter( 'jet-smart-filters/query/final-query', function( $query ) {

	if ( ! isset( $query['meta_query'] ) ) {
		return $query;
	}

	foreach ( $query['meta_query'] as $index => $meta_query_item ) {