WordPress :: Custom comment admin column

wp-comment-column.php

<?php

// Modify which columns display in the admin views
add_filter('manage_edit-comments_columns', 'harisrozak_comments_add_columns');
function harisrozak_comments_add_columns($columns) {
	$columns['rating'] = "Rating";

	return $columns;
}

// Custom column output when admin is viewing the comment
add_action('manage_comments_custom_column', 'harisrozak_comments_columns', 10, 2);
function harisrozak_comments_columns($column, $comment_ID) {

	if($column == 'rating') {
		$rating = get_field('rating', 'comment_' . $comment_ID);
			
		if($rating != '') {
			for ($i=0; $i < $rating; $i++) { 
				echo "&#9733;";
			}
		}
		else {
			echo "<i>empty</i>";
		}
	}
}

// edit column width
add_action('admin_head', 'harisrozak_comments_columns_width');
function harisrozak_comments_columns_width() {
	$screen = get_current_screen();

	if($screen->id == 'edit-comments') {
	    echo '<style type="text/css">';
	    echo '.manage-column.column-rating#rating { width: 100px }';
	    echo '.rating.column-rating { font-size: 21px }';
	    echo '</style>';
	}
}