Include email address in WooCommerce address output | Part 1

include-email-in-woocommerce-address-output.php

<?php

/**
 * Append email to address format 
 *
 * @link https://github.com/woocommerce/woocommerce/blob/master/includes/class-wc-countries.php#L510
 */
 add_filter( 'woocommerce_localisation_address_formats', function( $formats ) {
     
     // Double quotes in sprintf() or \n will not be parsed as a new line character
     $formats['default'] = sprintf("%s\n{email}", $formats['default']); // Default
     $formats['FI']      = sprintf("%s\n{email}", $formats['FI']); // Country specific
     
     /**
      * In case you want to put in a specific position you could use str_replace(), eg: 
      *
      * $formats['default'] = str_replace( "{name}\n", "{name}\n{email}\n", $formats['default'] );
      */
     
     return $formats;
 });