public function transform($value = null)
{
if ($value === null) {
return null;
}
if (!$value instanceof Identifiable) {
throw new TransformationFailedException('Value was not instance of Identifiable, type was: "' . \NGS\Utils::getType($value) . '"');
}
return $value->URI;
}
public function transform($value)
{
if ($value instanceof Timestamp) {
return $value->format($this->format);
}
if (is_string($value)) {
return $value;
}
// By convention, transform() should return an empty string if NULL is passed.
if ($value === null) {
return '';
}
throw new TransformationFailedException('Could not transform value to string, was expecting NGS\\Timestamp, but given value was type :"' . \NGS\Utils::getType($value) . '"');
}
public function transform($value)
{
if ($value instanceof LocalDate) {
$date = $value->toDateTime();
return $date->format($this->format);
} else {
if (is_string($value)) {
return $value;
} else {
if ($value === null) {
return "";
} else {
throw new TransformationFailedException('Could not convert LocalDate value to string from type:"' . \NGS\Utils::getType($value) . '"');
}
}
}
}
