Customize registration emails sent to new users

When a visitor signs up on your WordPress website they will receive an email with their username, password and the login link. This function overwrites the default registration for new users email function and can be customized to fit your site’s requirements.

/**
 * Snippet Name: Customize registration emails sent to new users
 * Snippet URL: https://wpcustoms.net/snippets/customize-registration-emails-sent-to-new-users/
 */
  function wp_new_user_notification($user_id, $plaintext_pass = '') {
	$user = get_userdata( $user_id );

	// The blogname option is escaped with esc_html on the way into the database in sanitize_option
	// we want to reverse this for the plain text arena of emails.
	$blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES);

	$message  = sprintf(__('New user registration on your site %s:'), $blogname) . "\r\n\r\n";
	$message .= sprintf(__('Username: %s'), $user->user_login) . "\r\n\r\n";
	$message .= sprintf(__('E-mail: %s'), $user->user_email) . "\r\n";

	@wp_mail(get_option('admin_email'), sprintf(__('[%s] New User Registration'), $blogname), $message);

	if ( empty($plaintext_pass) )
		return;

	$message  = sprintf(__('Username: %s'), $user->user_login) . "\r\n";
	$message .= sprintf(__('Password: %s'), $plaintext_pass) . "\r\n";
	$message .= 'To log into the admin area please us the following address ' . wp_login_url() . "\r\n";

	wp_mail($user->user_email, sprintf(__('[%s] Your username and password'), $blogname), $message);

}