Source Reference:

• Component: bbPress :: bbp-core

  File: /bbp-includes/bbp-common-functions.php :: Trac Source Line: 178

  	 *
  	 * @param $time Unix timestamp from which the difference begins.
           * @uses current_time() To get the current time in mysql format
           * @uses human_time_diff() To get the time differene in since format
           * @uses apply_filters() Calls 'bbp_get_time_since' with the time
           *                        difference and time
           * @return string Formatted time
  	 */
  	function bbp_get_time_since( $time ) {
  		return apply_filters( 'bbp_get_time_since', human_time_diff( $time, current_time( 'timestamp' ) ), $time );
  	}
  
  /**
   * Formats the reason for editing the topic/reply.
   *
   * Does these things:
   *  - Trimming
   *  - Removing periods from the end of the string
   *  - Trimming again
   *