BaseFieldAssembler::getFlatColumnValues

static function getFlatColumnValues(mixed $rawValues, $fieldName = 'VALUE')
{
	if (!is_array($rawValues))
	{
		return null;
	}
	if (array_key_exists($fieldName, $rawValues))
	{
		return $rawValues[$fieldName];
	}
	else
	{
		$result = [];
		foreach ($rawValues as $row)
		{
			if (is_array($row) && array_key_exists($fieldName, $row))
			{
				$result[] = $row[$fieldName];
			}
		}

		return $result;
	}
}