WordPress Shortcode for Outputting Current User's Email Address

snippet.php

<?php 
  
  add_shortcode('user_email', function($atts) {
      $the_atts = shortcode_atts([
          "encode" => 'false'
      ], $atts);

      if( is_user_logged_in() ) {
          $current_user = wp_get_current_user();
          if( $the_atts['encode'] == 'true' ) {
              return urlencode($current_user->user_email);
          } else {
              return $current_user->user_email;
          }
      }
      return "";
  });