VCardImport::tryMapEmailAttribute

protected function tryMapEmailAttribute(VCard\VCardElement $element, array &$fields)
{
	$attrs = $element->getAttributesByName('EMAIL');
	$mappedMultiFields = array();
	$qty = 0;
	foreach($attrs as $attr)
	{
		$email = VCard\VCardEmail::createFromAttribute($attr);
		if($email === null)
		{
			continue;
		}

		$value = $email->getMultiFieldValue();
		if($value === '')
		{
			continue;
		}

		$valueType = $email->getMultiFieldValueType();

		if(!isset($fields['FM']))
		{
			$fields['FM'] = array();
		}

		if(!isset($fields['FM']['EMAIL']))
		{
			$fields['FM']['EMAIL'] = array();
		}

		$qty++;
		$fields['FM']['EMAIL']["n{$qty}"] = array('VALUE' => $value, 'VALUE_TYPE' => $valueType);

		if(!isset($mappedMultiFields[$valueType]))
		{
			$mappedMultiFields[$valueType] = true;
		}
	}

	if(!empty($mappedMultiFields))
	{
		$this->mappedMultiFields['EMAIL'] = array_keys($mappedMultiFields);
	}
	return $qty > 0;
}