Calling the gallery shortcode

wp-printable-gallery.php

@@ -0,0 +1,40 @@
+<?php
+/**
+ * Plugin Name:       Printable Gallery
+ * Description:       Filtered photo galleries
+ * Version:           0.1.0
+ * Requires at least: 6.7
+ * Requires PHP:      7.4
+ * Author:            The WordPress Contributors
+ * License:           GPL-2.0-or-later
+ * License URI:       https://www.gnu.org/licenses/gpl-2.0.html
+ * Text Domain:       wp-printable-gallery
+ *
+ * @package Wpprg
+ */
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit; // Exit if accessed directly.
+}
+
+/**
+ * Registers the block using the metadata loaded from the `block.json` file.
+ * Behind the scenes, it registers also all assets so they can be enqueued
+ * through the block editor in the corresponding context.
+ *
+ * @see https://developer.wordpress.org/reference/functions/register_block_type/
+ */
+function wpprg_wp_printable_gallery_block_init() {
+	if ( function_exists( 'wp_register_block_types_from_metadata_collection' ) ) { // Function introduced in WordPress 6.8.
+		wp_register_block_types_from_metadata_collection( __DIR__ . '/build', __DIR__ . '/build/blocks-manifest.php' );
+	} else {
+		if ( function_exists( 'wp_register_block_metadata_collection' ) ) { // Function introduced in WordPress 6.7.
+			wp_register_block_metadata_collection( __DIR__ . '/build', __DIR__ . '/build/blocks-manifest.php' );
+		}
+		$manifest_data = require __DIR__ . '/build/blocks-manifest.php';
+		foreach ( array_keys( $manifest_data ) as $block_type ) {
+			register_block_type( __DIR__ . "/build/{$block_type}" );
+		}
+	}
+}
+add_action( 'init', 'wpprg_wp_printable_gallery_block_init' );