<?
$tableName = 'user';
$fieldName = 'design';
$lines = file('/path/to/txtfile');
$set = '';
for ($i=0;$i<count($lines);$i++) {
$set .= "'".$lines[$i]."'";
if ($i<(count($lines)-1)) { $set .= ', '; }
}
$sql = "ALTER TABLE $tableName MODIFY $fieldName enum($set) DEFAULT '" . $lines[0] . "'";
?>