block_core_image_get_lightbox_settings( array $block ): array

105function block_core_image_get_lightbox_settings( $block ) {106	// Gets the lightbox setting from the block attributes.107	if ( isset( $block['attrs']['lightbox'] ) ) {108		$lightbox_settings = $block['attrs']['lightbox'];109	}110 111	if ( ! isset( $lightbox_settings ) ) {112		$lightbox_settings = wp_get_global_settings( array( 'lightbox' ), array( 'block_name' => 'core/image' ) );113 114		// If not present in global settings, check the top-level global settings.115		//116		// NOTE: If no block-level settings are found, the previous call to117		// `wp_get_global_settings` will return the whole `theme.json` structure in118		// which case we can check if the "lightbox" key is present at the top-level119		// of the global settings and use its value.120		if ( isset( $lightbox_settings['lightbox'] ) ) {121			$lightbox_settings = wp_get_global_settings( array( 'lightbox' ) );122		}123	}124 125	return $lightbox_settings ?? null;126}