private function initPropertyChain($value)
{
$chain = explode('.', $value);
// Get the last which represents the final output
// Foo.Bar.Foobar.Baz
$last = array_pop($chain);
$this->lastPropertyChainValue = PropertyValue::makeUserProperty($last);
if (!$this->lastPropertyChainValue->isValid()) {
return $this->addError($this->lastPropertyChainValue->getErrors());
}
$this->lastPropertyChainValue->setOptions($this->getOptions());
// Generate a forward list from the remaining property labels
// Foo.Bar.Foobar
foreach ($chain as $value) {
$propertyValue = PropertyValue::makeUserProperty($value);
if (!$propertyValue->isValid()) {
continue;
}
$propertyValue->setOptions($this->getOptions());
$this->propertyValues[] = $propertyValue;
}
}