Post view count

<?php 


//this code is functions.php 
function getPostViews($postID){
    $count_key = 'post_views_count';
    $count =  get_post_meta($postID, $count_key, true);
    if($count==''){
        delete_post_meta($postID, $count_key);
        add_post_meta($postID, $count_key, '0');
        return "0 View";
    }
    return $count.' Views';
}
function setPostViews($postID) {
    $count_key = 'post_views_count';
    $count = get_post_meta($postID, $count_key, true);
    if($count==''){
        $count = 0;
        delete_post_meta($postID, $count_key);
        add_post_meta($postID, $count_key, '0');
    }else{
        $count++;
        update_post_meta($postID, $count_key, $count);
    }
}
// Remove issues with prefetching adding extra views


?>



<?php

	///this code is single.php 
    setPostViews(get_the_ID());
          
?>
<!-- mfunc setPostViews(get_the_ID()); --><!-- /mfunc -->

<?php
	//where show view 
    echo getPostViews(get_the_ID());
?>