How to Display Popular Posts by Views in WordPress

function da_get_views_post($post_id){
    $key = 'post_views_count';

    $count = get_post_meta($post_id,$key, true);

    if($count == ''){
        $count = 0;

        delete_post_meta($post_id,$key);

        add_post_meta($post_id,$key,$count);

    }else{
        $count++;
        update_post_meta($post_id,$key, $count);
    }
}

function da_get_post_views($post_id){
    $key = 'post_views_count';
    $count = get_post_meta($post_id,$key, true);

    if($count == ''){
        $count = 0;

        delete_post_meta($post_id,$key);

        add_post_meta($post_id,$key,$count);

        return "0 View";

    }

    return $count. ' Views';
}

da_get_views_post(get_the_ID());

echo da_get_post_views(get_the_ID());

<?php

        $args = [
                'post_type'=> 'post',
            'posts_per_per' => 3,
            'meta_key' => 'post_views_count',
            'orderby' => 'meta_value_num',
            'order'=> 'desc'

        ];

        $popular = new WP_Query($args);

        while ($popular->have_posts()): $popular->the_post();
            the_post_thumbnail();
            the_title('<h2>','</h2>');
            the_excerpt();
        endwhile; wp_reset_postdata();

        ?>