View file File name : LoadBlock.php Content :<?php namespace CreativeMail\Blocks; class LoadBlock { private static $instance; public function __construct() { } /** * Add the blocks hooks. * * @return void */ public function add_hooks() { add_action( 'init', array( $this, 'create_blocks' ) ); } /** * Registers the block using the metadata loaded from the `block.json` file. * Behind the scenes, it registers also all assets, so they can be enqueued * through the block editor in the corresponding context */ public function create_blocks() { register_block_type_from_metadata(__DIR__ . '/subscribe' ); } /** * Returns the instance of the LoadBlock class. * * @return LoadBlock */ public static function get_instance() { if ( null === self::$instance ) { self::$instance = new LoadBlock(); } return self::$instance; } }