File: //wordpress/plugins/jetpack/latest/extensions/blocks/contact-form/contact-form.php
<?php
/**
* Contact Form Block.
*
* @package automattic/jetpack
*/
namespace Automattic\Jetpack\Extensions\Contact_Form;
if ( ! defined( 'ABSPATH' ) ) {
exit( 0 );
}
/*
* Register the block as a fallback when loaded via the Blocks module.
*
* The Forms package registers this block when the Forms (contact-form) module is active.
* When only the Blocks module is active, this ensures the block is still registered so
* admins see a nudge to activate the Forms module.
*
* Contact_Form_Block::register_block() calls can_manage_block() internally,
* and Blocks::jetpack_register_block() is a no-op if the block is already registered,
* so double-registration is not possible.
*/
add_action( 'init', array( Contact_Form_Block::class, 'register_block' ), 9 );