function wpse80148_filter_post_class( $classes ) {
if( is_home() || is_front_page() )
$classes[] = 'span4';
return $classes;
}
add_filter( 'post_class', 'wpse80148_filter_post_class' );
function wpse80148_filter_post_class( $classes ) {
if( is_home() || is_front_page() )
$classes[] = 'span4';
return $classes;
}
add_filter( 'post_class', 'wpse80148_filter_post_class' );