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newuser_notify_siteadmin( int $user_id )

Notifies the network admin that a new user has been activated.

Description

Filter ‘newuser_notify_siteadmin’ to change the content of the notification email.

Parameters

$user_id

(int) (Required) The new user's ID.

Return

(bool)

Source

File: wp-includes/ms-functions.php 

function newuser_notify_siteadmin( $user_id ) {
	if ( 'yes' !== get_site_option( 'registrationnotification' ) ) {
		return false;
	}

	$email = get_site_option( 'admin_email' );

	if ( is_email( $email ) == false ) {
		return false;
	}

	$user = get_userdata( $user_id );

	$options_site_url = esc_url( network_admin_url( 'settings.php' ) );

	$msg = sprintf(
		/* translators: New user notification email. 1: User login, 2: User IP address, 3: URL to Network Settings screen. */
		__(
			'New User: %1$s
Remote IP address: %2$s

Disable these notifications: %3$s'
		),
		$user->user_login,
		wp_unslash( $_SERVER['REMOTE_ADDR'] ),
		$options_site_url
	);

	/**
	 * Filters the message body of the new user activation email sent
	 * to the network administrator.
	 *
	 * @since MU (3.0.0)
	 *
	 * @param string  $msg  Email body.
	 * @param WP_User $user WP_User instance of the new user.
	 */
	$msg = apply_filters( 'newuser_notify_siteadmin', $msg, $user );

	/* translators: New user notification email subject. %s: User login. */
	wp_mail( $email, sprintf( __( 'New User Registration: %s' ), $user->user_login ), $msg );

	return true;
}

Uses

Uses Description
wp-includes/l10n.php: __()

Retrieve the translation of $text.
wp-includes/formatting.php: wp_unslash()

Remove slashes from a string or array of strings.
wp-includes/formatting.php: esc_url()

Checks and cleans a URL.
wp-includes/formatting.php: is_email()

Verifies that an email is valid.
wp-includes/pluggable.php: get_userdata()

Retrieve user info by user ID.
wp-includes/pluggable.php: wp_mail()

Sends an email, similar to PHP’s mail function.
wp-includes/link-template.php: network_admin_url()

Retrieves the URL to the admin area for the network.
wp-includes/plugin.php: apply_filters()

Calls the callback functions that have been added to a filter hook.
wp-includes/option.php: get_site_option()

Retrieve an option value for the current network based on name of option.
wp-includes/ms-functions.php: newuser_notify_siteadmin

Filters the message body of the new user activation email sent to the network administrator.

Changelog

Version Description
MU (3.0.0) Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/newuser_notify_siteadmin