register_block_type( 'my_namespace/my_block', [
	'render_callback' => 'render_callback',
	'attributes'      => [
		'some_string' => [
			'default' => 'default string',
			'type'    => 'string'
		],
		'some_array'  => [
			'type'  => 'array',
			'items' => [
				'type' => 'string',
			],
		]
	]
] );

// Set the default screen layout columns
add_screen_option( 'layout_columns', array(
    'max'     => 2,
    'default' => 2,
) );

// Set screen per page option
add_screen_option( 'per_page', array(
    'default' => 10,
    'label'   => __( 'Items Per Page', 'uexplorer' ),
    
    /** 
     * Note:
     *
     * The 'option' argument specify what [name] to use to save the 'per_page' option
     * For example, if 'option' => 'my_per_page_option', then to retrieve the option value do: 
     *    $screen->get_option( 'per_page', 'option' )
     *
     * But when the 'option' argument is set to false or omitted, the current screen ID will be 
     * used and suffixed with '_per_page' as the current screen 'per_page' option name:
     *
     * This is how the 'per_page' option name is set when omitted or set to false:
     * $option = str_replace( '-', '_', "{$screen->id}_per_page" );
     *
     * Then to retrieve it, do: 
     * $per_page = $screen->get_option( 'per_page', str_replace( '-', '_', "{$screen->id}_per_page" ) );
     */
    'option'  => false, // use the current screen ID and append '_per_page' to it. Also replace '-' with '_'
) );

add_action( 'restrict_manage_posts', 'add_admin_filters', 10, 1 );

public function add_admin_filters( $post_type ){
	if( 'my_post_type' !== $post_type ){
		return;
	}
	$taxonomies_slugs = array(
		'my_taxonomy',
		'my_other_taxonomy'
	);
	// loop through the taxonomy filters array
	foreach( $taxonomies_slugs as $slug ){
		$taxonomy = get_taxonomy( $slug );
		$selected = '';
		// if the current page is already filtered, get the selected term slug
		$selected = isset( $_REQUEST[ $slug ] ) ? $_REQUEST[ $slug ] : '';
		// render a dropdown for this taxonomy's terms
		wp_dropdown_categories( array(
			'show_option_all' =>  $taxonomy->labels->all_items,
			'taxonomy'        =>  $slug,
			'name'            =>  $slug,
			'orderby'         =>  'name',
			'value_field'     =>  'slug',
			'selected'        =>  $selected,
			'hierarchical'    =>  true,
		) );
	}
}

add_action( 'init', 'remove_editor_init' );

function remove_editor_init() {
    // If not in the admin, return.
    if ( ! is_admin() ) {
       return;
    }

    // Get the post ID on edit post with filter_input super global inspection.
    $current_post_id = filter_input( INPUT_GET, 'post', FILTER_SANITIZE_NUMBER_INT );
    // Get the post ID on update post with filter_input super global inspection.
    $update_post_id = filter_input( INPUT_POST, 'post_ID', FILTER_SANITIZE_NUMBER_INT );

    // Check to see if the post ID is set, else return.
    if ( isset( $current_post_id ) ) {
       $post_id = absint( $current_post_id );
    } else if ( isset( $update_post_id ) ) {
       $post_id = absint( $update_post_id );
    } else {
       return;
    }

    // Don't do anything unless there is a post_id.
    if ( isset( $post_id ) ) {
       // Get the template of the current post.
       $template_file = get_post_meta( $post_id, '_wp_page_template', true );

       // Example of removing page editor for page-your-template.php template.
       if (  'page-your-template.php' === $template_file ) {
           remove_post_type_support( 'page', 'editor' );
           // Other features can also be removed in addition to the editor. See: https://codex.wordpress.org/Function_Reference/remove_post_type_support.
       }
    }
}

/**
 * ... enqueue plugin scripts.
 */
function load_plugin_scripts() {
    wp_enqueue_script(
		'script-name',
		plugin_dir_url( __FILE__ ) . '/js/example.js',
		array('not-existant'),
		'1.0.0',
		true
	);
}
add_action( 'wp_enqueue_scripts', 'load_plugin_scripts' );