# Add first address with both contacts
$book->createAddress(function(Address $address) use ($contacts){
$address->setHouseNumber('33');
$address->setStreet('Market street')->setCity('London');
$address->setPostCode('EC4 MB5');
$address->setCounty('Greater London');
$address->setCountry('GB');
foreach($contacts as $contact){
$address->addContact($contact);
}
return $address;
});
let initialState = $('#myForm').serializeArray();
let form = $('#myForm');
if (form.attr('name') in initialStates) {
initialStates[form.attr('name')].forEach(item => {
form.find('[name="' + item.name + '"]').val(item.value);
});
}