That's a serialized array, so ideally you should use
unserialize to get the data back out again.
For example....
PHP Code:
<?
print_r(unserialize('a:11:{i:1;s:4:"Test";i:2;s:4:"Test";i:3;s:4:"Test";i:4;s:4:"Test";i:5;s:4:"Test";i:6;s:4:"Test";i:12;s:2:"No";i:8;s:4:"Test";i:9;s:4:"Test";i:10;s:3:"Red";i:11;s:4:"Test";}'));
?>
will output...
PHP Code:
Array
(
[1] => Test
[2] => Test
[3] => Test
[4] => Test
[5] => Test
[6] => Test
[12] => No
[8] => Test
[9] => Test
[10] => Red
[11] => Test
)