block-editor-settings-mobile.php

<?php
/**
 * Adds settings to the mobile block editor.
 *
 * @package gutenberg
 */

/**
 * Adds settings to the mobile block editor.
 *
 * This is used by the settings REST endpoint and it should land in core
 * as soon as lib/class-wp-rest-block-editor-settings-controller.php does.
 *
 * @param array $settings Existing block editor settings.
 *
 * @return array New block editor settings.
 */
function gutenberg_get_block_editor_settings_mobile( $settings ) {
	if (
		defined( 'REST_REQUEST' ) &&
		REST_REQUEST &&
		isset( $_GET['context'] ) &&
		'mobile' === $_GET['context']
	) {
		if ( wp_theme_has_theme_json() ) {
			$settings['__experimentalStyles'] = gutenberg_get_global_styles();
		}

		// To tell mobile that the site uses quote v2 (inner blocks).
		// See https://github.com/WordPress/gutenberg/pull/25892.
		$settings['__experimentalEnableQuoteBlockV2'] = true;
		// To tell mobile that the site uses list v2 (inner blocks).
		$settings['__experimentalEnableListBlockV2'] = true;
	}

	return $settings;
}

add_filter( 'block_editor_settings_all', 'gutenberg_get_block_editor_settings_mobile', PHP_INT_MAX );