Learnpress按自定义字段值(价格)显示课程

function custom_learnpress_courses_shortcode( $atts ) {
    $atts = shortcode_atts( array(
        'price_min' => '',
        'price_max' => '',
    ), $atts, 'learnpress_courses' );

    $args = array(
        'post_type' => 'lp_course',
        'posts_per_page' => -1,
        'meta_query' => array(
            'relation' => 'AND',
            array(
                'key' => 'price',
                'value' => $atts['price_min'],
                'compare' => '>=',
                'type' => 'NUMERIC',
            ),
            array(
                'key' => 'price',
                'value' => $atts['price_max'],
                'compare' => '<=',
                'type' => 'NUMERIC',
            ),
        ),
    );

    $query = new WP_Query( $args );

    ob_start();
    learn_press_courses_shortcode( array( 'posts' => $query->posts ) );
    return ob_get_clean();
}
add_shortcode( 'custom_learnpress_courses', 'custom_learnpress_courses_shortcode' );

[custom_learnpress_courses price_min="10" price_max="100"]