Source Reference:

• Component: BuddyPress :: bp-core

  File: /bp-core/bp-core-functions.php :: Trac Source Line: 1183

   *
   * @package BuddyPress
   * @since 1.5
   *
   * @uses apply_filters() Filter bp_get_user_meta_key to modify keys individually
   * @param str $key
   * @return str $key
   */
  function bp_get_user_meta_key( $key = false ) {
  	return apply_filters( 'bp_get_user_meta_key', $key );
  }
  
  /**
   * Get a piece of usermeta
   *
   * This is a wrapper for get_user_meta() that allows for easy use of bp_get_user_meta_key(), thereby
   * increasing compatibility with non-standard BP setups.
   *
   * @package BuddyPress
   * @since 1.5