add_filter("woocommerce_checkout_fields", "custom_order_fields");
function custom_order_fields($fields) {
$order = array(
"billing_email",
"billing_first_name",
"billing_last_name",
"billing_phone",
"billing_address_1",
"billing_postcode",
"billing_address_2",
"billing_country"
);
foreach($order as $field)
{
$ordered_fields[$field] = $fields["billing"][$field];
}
$fields["billing"] = $ordered_fields;
$fields['billing']['billing_address_1']['placeholder'] = '';
$fields['billing']['billing_address_2']['placeholder'] = '';
$fields['billing']['billing_phone']['placeholder'] = '';
$fields['billing']['billing_address_1']['label'] = __( 'استان', 'blank' );
$fields['billing']['billing_address_2']['label'] = __( 'شهر', 'blank' );
$fields['billing']['billing_phone']['label'] = __( 'تلفن همراه', 'blank' );
return $fields;
