Source Reference:

• Component: bbPress :: bbp-core

  File: /bbp-includes/bbp-common-template.php :: Trac Source Line: 1625

  		// Pad the separator
  		if ( !empty( $pad_sep ) )
  			$sep = str_pad( $sep, strlen( $sep ) + ( (int) $pad_sep * 2 ), ' ', STR_PAD_BOTH );
  
  		// Allow the separator of the breadcrumb to be easily changed
  		$sep = apply_filters( 'bbp_breadcrumb_separator', $sep );
  
  		// Right to left support
  		if ( is_rtl() )
  			$breadcrumbs = apply_filters( 'bbp_breadcrumbs', array_reverse( $breadcrumbs ) );
  
  		// Build the trail
  		$trail = !empty( $breadcrumbs ) ? $before . implode( $sep, $breadcrumbs ) . $after: '';
  
  		return apply_filters( 'bbp_get_breadcrumb', $trail, $breadcrumbs, $r );
  	}
  
  /** Topic Tags ***************************************************************/
  
  /**