BP_GOPP_Image_Editor_GS::set_page( int $page = null )

	public function set_page( $page = null ) {
		if ( null === $page ) {
			/**
			 * Filters the default PDF preview page setting.
			 *
			 * Applies only during initial editor instantiation, or when set_page() is run
			 * manually without the `$page` argument.
			 *
			 * set_page() has priority over the filter.
			 *
			 * @since BuddyBoss 1.4.0
			 *
			 * @param int    $page     The page to render.
			 * @param string $filename The PDF file name.
			 */
			$page = apply_filters( 'gopp_editor_set_page', $this->default_page, $this->file );
			if ( ( $page = intval( $page ) ) <= 0 ) {
				$page = $this->default_page;
			}
		} else {
			$page = intval( $page );
		}
		if ( $page > 0 ) {
			$this->page = $page;
			return true;
		}
		return new WP_Error( 'invalid_image_page', __( 'Attempted to set PDF preview page to an invalid value.', 'buddyboss' ) );
	}