bp_admin_update_activity_favourite()

function bp_admin_update_activity_favourite() {

	$bp_activity_favorites = bp_get_option( 'bp_activity_favorites', false );

	if ( ! $bp_activity_favorites ) {

		$offset = isset( $_POST['offset'] ) ? (int) ( $_POST['offset'] ) : 0;

		$args = array(
			'number' => 50,
			'offset' => $offset,
		);

		$users = get_users( $args );

		if ( ! empty( $users ) ) {

		    foreach ( $users as $user ) {
			    $user_favs = bp_get_user_meta( $user->ID, 'bp_favorite_activities', true );
			    if ( empty( $user_favs ) || ! is_array( $user_favs ) ) {
				    $offset ++;
				    continue;
			    }
			    foreach ( $user_favs as $fav ) {

				    // Update the users who have favorited this activity.
				    $favorite_users = bp_activity_get_meta( $fav, 'bp_favorite_users', true );
				    if ( empty( $favorite_users ) || ! is_array( $favorite_users ) ) {
					    $favorite_users = array();
				    }
				    // Add to activity's favorited users.
				    $favorite_users[] = $user->ID;

				    // Update activity meta
				    bp_activity_update_meta( $fav, 'bp_favorite_users', array_unique( $favorite_users ) );

			    }
			    $offset ++;
		    }

			$records_updated = sprintf( __( '%s members activity favorite updated successfully.', 'buddyboss' ), number_format_i18n( $offset ) );

			return array(
				'status'  => 'running',
				'offset'  => $offset,
				'records' => $records_updated,
			);

		} else {

			bp_update_option( 'bp_activity_favorites', true );

			$statement = __( 'Update members activity favorites… %s', 'buddyboss' );

			return array(
				'status'  => 1,
				'message' => sprintf( $statement, __( 'Complete!', 'buddyboss' ) ),
			);
		}

	} else {
		$statement = __( 'Update members activity favorites… %s', 'buddyboss' );

		return array(
			'status'  => 1,
			'message' => sprintf( $statement, __( 'Complete!', 'buddyboss' ) ),
		);
    }
}