WooCommerce - Set Default City

<?php
/*
Plugin Name: WooCommerce - Set City
Plugin URI: http://www.damiencarbery.com
Description: Set the value of the billing and shipping city.
Author: Damien Carbery
Version: 0.1
*/


// Set the value of the City input field.
add_filter('woocommerce_checkout_get_value', 'wsc_set_get_value', 10, 2);
function wsc_set_get_value($empty, $input) {
    if (('billing_city' == $input) || ('shipping_city' == $input)) {
      return 'The City';
    }
}


// Make City input field read only.
add_filter('woocommerce_form_field_text', 'wsc_read_only_city_input', 10, 4);
function wsc_read_only_city_input($field, $key, $args, $value) {
    if (('billing_city' == $key) || ('shipping_city' == $key)) {
        $field = str_replace('type="text"', 'type="text" disabled="disabled"', $field);
        $field .= '<input type="hidden" name="'.$key.'" value="'.$value.'" />';
    }
    return $field;
}