February 11, 2011 
Definition:
function comment_class( $class = '', $comment_id = null, $post_id = null, $echo = true ) {}
Generates semantic classes for each comment element
Parameters
- string|array $class: One or more classes to add to the class list
- int $comment_id: An optional comment ID
- int $post_id: An optional post ID
- bool $echo: Whether comment_class should echo or return
Source code
function comment_class( $class = '', $comment_id = null, $post_id = null, $echo = true ) {
// Separates classes with a single space, collates classes for comment DIV
$class = 'class="' . join( ' ', get_comment_class( $class, $comment_id, $post_id ) ) . '"';
if ( $echo)
echo $class;
else
return $class;
}
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