A simple function to convert a CSV file to an array:

csv to array function

function csv_to_array($filename='', $delimiter=',',$header = NULL)
{
  if(!file_exists($filename) || !is_readable($filename))
		return FALSE;

	$data = array();
	if (($handle = fopen($filename, 'r')) !== FALSE)
	{
		while (($row = fgetcsv($handle, 1000, $delimiter)) !== FALSE)
		{
			if(!$header)
				$header = $row;
			else
				$data[] = array_combine($header, $row);
		}
		fclose($handle);
	}
	return $data;
}