<?php

/**

 * Add New User network administration panel.

 *

 * @package WordPress

 * @subpackage Multisite

 * @since 3.1.0

 */

/** Load WordPress Administration Bootstrap */

require_once __DIR__ . '/admin.php';

if ( ! current_user_can( 'create_users' ) ) {

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

}

get_current_screen()->add_help_tab(

	array(

		'id'      => 'overview',

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

		'content' =>

			'<p>' . __( 'Add User will set up a new user account on the network and send that person an email with username and password.' ) . '</p>' .

			'<p>' . __( 'Users who are signed up to the network without a site are added as subscribers to the main or primary dashboard site, giving them profile pages to manage their accounts. These users will only see Dashboard and My Sites in the main navigation until a site is created for them.' ) . '</p>',

	)

);

get_current_screen()->set_help_sidebar(

	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .

	'<p>' . __( '<a href="https://codex.wordpress.org/Network_Admin_Users_Screen">Documentation on Network Users</a>' ) . '</p>' .

);

if ( isset( $_REQUEST['action'] ) && 'add-user' === $_REQUEST['action'] ) {

	check_admin_referer( 'add-user', '_wpnonce_add-user' );

	if ( ! current_user_can( 'manage_network_users' ) ) {

		wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );

	}

	if ( ! is_array( $_POST['user'] ) ) {

		wp_die( __( 'Cannot create an empty user.' ) );

	}

	$user = wp_unslash( $_POST['user'] );

	$user_details = wpmu_validate_user_signup( $user['username'], $user['email'] );

	if ( is_wp_error( $user_details['errors'] ) && $user_details['errors']->has_errors() ) {

		$add_user_errors = $user_details['errors'];

	} else {

		$password = wp_generate_password( 12, false );

		$user_id  = wpmu_create_user( esc_html( strtolower( $user['username'] ) ), $password, sanitize_email( $user['email'] ) );

		if ( ! $user_id ) {

			$add_user_errors = new WP_Error( 'add_user_fail', __( 'Cannot add user.' ) );

		} else {

			/**

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

			 *

			 * @since 4.4.0

			 *

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

			 */

			do_action( 'network_user_new_created_user', $user_id );

			wp_redirect(

				add_query_arg(

					array(

						'update'  => 'added',

						'user_id' => $user_id,

					),

					'user-new.php'

				)

			);

			exit;

		}

	}

}

if ( isset( $_GET['update'] ) ) {

	if ( 'added' === $_GET['update'] ) {

		$edit_link = '';

		if ( isset( $_GET['user_id'] ) ) {

			$user_id_new = absint( $_GET['user_id'] );

			if ( $user_id_new ) {

				$edit_link = esc_url( add_query_arg( 'wp_http_referer', urlencode( wp_unslash( $_SERVER['REQUEST_URI'] ) ), get_edit_user_link( $user_id_new ) ) );

			}

		}

		$message = __( 'User added.' );

		if ( $edit_link ) {

			$message .= sprintf( ' <a href="%s">%s</a>', $edit_link, __( 'Edit user' ) );

		}

	}

}

// Used in the HTML title tag.

$title       = __( 'Add New User' );

$parent_file = 'users.php';

<div class="wrap">

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

<?php

}

if ( isset( $add_user_errors ) && is_wp_error( $add_user_errors ) ) {

	<form action="<?php echo esc_url( network_admin_url( 'user-new.php?action=add-user' ) ); ?>" id="adduser" method="post" novalidate="novalidate">

	<?php

	/**

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

	 *

	 * @since 4.5.0

	 */

	do_action( 'network_user_new_form' );

	wp_nonce_field( 'add-user', '_wpnonce_add-user' );

	submit_button( __( 'Add User' ), 'primary', 'add-user' );

	?>

	</form>

</div>

<?php

require_once ABSPATH . 'wp-admin/admin-footer.php';