__DATA__
KEY1, 07/25/05 09:04:36
KEY2, 07/25/05 09:04:36
KEY2, 07/25/05 09:04:37
KEY2, 07/25/05 09:05:49
KEY2, 07/25/05 09:05:50
KEY3, 07/25/05 09:05:50

$VAR1 = 'KEY2';
$VAR2 = [
          ' 07/25/05 09:04:36',
          ' 07/25/05 09:05:50'
        ];
$VAR3 = 'KEY1';
$VAR4 = [
          ' 07/25/05 09:04:36'
        ];
$VAR5 = 'KEY3';
$VAR6 = [
          ' 07/25/05 09:05:50'
        ];