get_default_block_categories() WordPress Function

function get_default_block_categories() {
	return array(
		array(
			'slug'  => 'text',
			'title' => _x( 'Text', 'block category' ),
			'icon'  => null,
		),
		array(
			'slug'  => 'media',
			'title' => _x( 'Media', 'block category' ),
			'icon'  => null,
		),
		array(
			'slug'  => 'design',
			'title' => _x( 'Design', 'block category' ),
			'icon'  => null,
		),
		array(
			'slug'  => 'widgets',
			'title' => _x( 'Widgets', 'block category' ),
			'icon'  => null,
		),
		array(
			'slug'  => 'theme',
			'title' => _x( 'Theme', 'block category' ),
			'icon'  => null,
		),
		array(
			'slug'  => 'embed',
			'title' => _x( 'Embeds', 'block category' ),
			'icon'  => null,
		),
		array(
			'slug'  => 'reusable',
			'title' => _x( 'Reusable Blocks', 'block category' ),
			'icon'  => null,
		),
	);
}