Stumped - UPDATE query on custom textfield showing square symbol

[Antivirus]

My problem is that when viewing the database using Navicat (mysql administration tool) I expect the field to look like imgB.jpg when it ends up looking like imgA.jpg (the square shape is in between Dog and Monkey). Why is this square shape showng up? I have tried all sorts of trim, n12br, etc... to clean the new name, but it always shows and messes up the \n as well...

Basically, what i am doing is adding a new line item to a text field (which is later used to create a dropdown menu) then sorting it and updating that database entry.

To simplyfy things, here's my code:

PHP Code:

$options = array(
    [0] => 'Cat',
    [1] => 'Monkey',
    [2] => 'Snake'
);

$newname = 'Dog';

$options[] = trim($newname);
asort($options);
$newoptions = implode("\n", $options);

$vbulletin->db->query_write("
    UPDATE " . TABLE_PREFIX . "ppgal_customfields
    SET options = '" . $vbulletin->db->escape_string($newoptions) . "'
    WHERE fieldid = " . $vbulletin->options['erc_gallery_customfieldid_artists'] . "
"); 


If anyone knows what I am forgetting to do, or doing wrong - please please please tell me

Thanks!