Stars review based on custom field value

<?php
 $stars_count = get_post_meta($post->ID),'total_score', true);
//check if value is int or float
function is_decimal($val){

        return is_numeric( $val ) && floor( $val ) != $val;
    }
<?php if ($stars_count){ ?>
                <ul class="ctr-stars-list">
                    <?php
                    if ( is_decimal($stars_count) ){
                        for ($i = 1; $i <= ($stars_count); $i++){

                                echo '<li class="ctr-star"><i class="fas fa-star" aria-hidden="true"></i></li>';

                        }

                            echo '<li class="ctr-star"><i class="fas fa-star-half" aria-hidden="true"></i></li>';

                    } else {
                        for ($i = 1; $i <= $stars_count; $i++){

                                echo '<li class="ctr-star"><i class="fas fa-star" aria-hidden="true"></i></li>';

                        }
                    }
                    ?>
                </ul>