/** WordPress Translation Installation API */

require_once( ABSPATH . 'wp-admin/includes/translation-install.php' );

if ( ! current_user_can( 'create_sites' ) ) {

	wp_die( __( 'Sorry, you are not allowed to add sites to this network.' ) );

}

get_current_screen()->add_help_tab( array(

	'id'      => 'overview',

	'title'   => __('Overview'),

	'content' =>

		'<p>' . __('This screen is for Super Admins to add new sites to the network. This is not affected by the registration settings.') . '</p>' .

		'<p>' . __('If the admin email for the new site does not exist in the database, a new user will also be created.') . '</p>'

	'<p>' . __('<a href="https://codex.wordpress.org/Network_Admin_Sites_Screen">Documentation on Site Management</a>') . '</p>' .

	'<p>' . __('<a href="https://wordpress.org/support/forum/multisite/">Support Forums</a>') . '</p>'

	// If not a subdomain installation, make sure the domain isn't a reserved word

		$subdirectory_reserved_names = get_subdirectory_reserved_names();

		if ( in_array( $domain, $subdirectory_reserved_names ) ) {

			wp_die(

				/* translators: %s: reserved names list */

				sprintf( __( 'The following words are reserved for use by WordPress functions and cannot be used as blog names: %s' ),

					'<code>' . implode( '</code>, <code>', $subdirectory_reserved_names ) . '</code>'

				)

			);

		}

	$meta = array(

		'public' => 1

	);

	// Handle translation installation for the new site.

	if ( isset( $_POST['WPLANG'] ) ) {

		if ( '' === $_POST['WPLANG'] ) {

			$meta['WPLANG'] = ''; // en_US

		} elseif ( in_array( $_POST['WPLANG'], get_available_languages() ) ) {

			$meta['WPLANG'] = $_POST['WPLANG'];

		} elseif ( current_user_can( 'install_languages' ) && wp_can_install_language_pack() ) {

			$language = wp_download_language_pack( wp_unslash( $_POST['WPLANG'] ) );

			if ( $language ) {

				$meta['WPLANG'] = $language;

			}

		}

	}

		$newdomain = $domain . '.' . preg_replace( '|^www\.|', '', get_network()->domain );

		$path      = get_network()->path;

		$newdomain = get_network()->domain;

		$path      = get_network()->path . $domain . '/';

		/**

		 * Fires immediately before a new user is created via the network site-new.php page.

		 *

		 * @since 4.5.0

		 *

		 * @param string $email Email of the non-existent user.

		 */

		do_action( 'pre_network_site_new_created_user', $email );

		$user_id = username_exists( $domain );

		if ( $user_id ) {

			wp_die( __( 'The domain or path entered conflicts with an existing username.' ) );

		}

		if ( false === $user_id ) {

		}

		/**

		  * Fires after a new user has been created via the network site-new.php page.

		  *

		  * @since 4.4.0

		  *

		  * @param int $user_id ID of the newly created user.

		  */

		do_action( 'network_site_new_created_user', $user_id );

	$id = wpmu_create_blog( $newdomain, $path, $title, $user_id, $meta, get_current_network_id() );

		wp_mail(

			get_site_option( 'admin_email' ),

			sprintf(

				/* translators: %s: network name */

				__( '[%s] New Site Created' ),

				get_network()->site_name

			),

			sprintf(

				/* translators: 1: user login, 2: site url, 3: site name/title */

				__( 'New site created by %1$s

				$current_user->user_login,

				get_site_url( $id ),

				wp_unslash( $title )

			),

			sprintf(

				'From: "%1$s" <%2$s>',

				_x( 'Site Admin', 'email "From" field' ),

				get_site_option( 'admin_email' )

			)

<h1 id="add-new-site"><?php _e( 'Add New Site' ); ?></h1>

			<th scope="row"><label for="site-address"><?php _e( 'Site Address (URL)' ) ?></label></th>

				<input name="blog[domain]" type="text" class="regular-text" id="site-address" aria-describedby="site-address-desc" autocapitalize="none" autocorrect="off"/><span class="no-break">.<?php echo preg_replace( '|^www\.|', '', get_network()->domain ); ?></span>

				echo get_network()->domain . get_network()->path ?><input name="blog[domain]" type="text" class="regular-text" id="site-address" aria-describedby="site-address-desc"  autocapitalize="none" autocorrect="off" />

			echo '<p class="description" id="site-address-desc">' . __( 'Only lowercase letters (a-z), numbers, and hyphens are allowed.' ) . '</p>';

		<?php

		$languages    = get_available_languages();

		$translations = wp_get_available_translations();

		if ( ! empty( $languages ) || ! empty( $translations ) ) :

			?>

			<tr class="form-field form-required">

				<th scope="row"><label for="site-language"><?php _e( 'Site Language' ); ?></label></th>

				<td>

					<?php

					// Network default.

					$lang = get_site_option( 'WPLANG' );

					// Use English if the default isn't available.

					if ( ! in_array( $lang, $languages ) ) {

						$lang = '';

					}

					wp_dropdown_languages(

						array(

							'name'                        => 'WPLANG',

							'id'                          => 'site-language',

							'selected'                    => $lang,

							'languages'                   => $languages,

							'translations'                => $translations,

							'show_available_translations' => current_user_can( 'install_languages' ) && wp_can_install_language_pack(),

						)

					);

					?>

				</td>

			</tr>

		<?php endif; // Languages. ?>

			<th scope="row"><label for="admin-email"><?php _e( 'Admin Email' ) ?></label></th>

			<td colspan="2"><?php _e( 'A new user will be created if the above email address is not in the database.' ) ?><br /><?php _e( 'The username and a link to set the password will be mailed to this email address.' ) ?></td>

	<?php

	/**

	 * Fires at the end of the new site form in network admin.

	 *

	 * @since 4.5.0

	 */

	do_action( 'network_site_new_form' );

	submit_button( __( 'Add Site' ), 'primary', 'add-site' );

	?>