BP_User_Query::do_wp_user_query()

	public function do_wp_user_query() {
		$fields = array( 'ID', 'user_login', 'user_pass', 'user_nicename', 'user_email', 'user_url', 'user_registered', 'user_activation_key', 'user_status', 'display_name' );

		if ( is_multisite() ) {
			$fields[] = 'spam';
			$fields[] = 'deleted';
		}

		/**
		 * Filters the WP User Query arguments before passing into the class.
		 *
		 * @since BuddyPress 1.7.0
		 *
		 * @param array         $value Array of arguments for the user query.
		 * @param BP_User_Query $this  Current BP_User_Query instance.
		 */
		$wp_user_query = new WP_User_Query( apply_filters( 'bp_wp_user_query_args', array(

			// Relevant.
			'fields'      => $fields,
			'include'     => $this->user_ids,

			// Overrides
			'blog_id'     => 0,    // BP does not require blog roles.
			'count_total' => false // We already have a count.

		), $this ) );

		// We calculate total_users using a standalone query, except
		// when a whitelist of user_ids is passed to the constructor.
		// This clause covers the latter situation, and ensures that
		// pagination works when querying by $user_ids.
		if ( empty( $this->total_users ) ) {
			$this->total_users = count( $wp_user_query->results );
		}

		// Reindex for easier matching.
		$r = array();
		foreach ( $wp_user_query->results as $u ) {
			$r[ $u->ID ] = $u;
		}

		// Match up to the user ids from the main query.
		foreach ( $this->user_ids as $key => $uid ) {
			if ( isset( $r[ $uid ] ) ) {
				$r[ $uid ]->ID = (int) $uid;
				$r[ $uid ]->user_status = (int) $r[ $uid ]->user_status;

				$this->results[ $uid ] = $r[ $uid ];

				// The BP template functions expect an 'id'
				// (as opposed to 'ID') property.
				$this->results[ $uid ]->id = (int) $uid;

			// Remove user ID from original user_ids property.
			} else {
				unset( $this->user_ids[ $key ] );
			}
		}
	}