-- Other code --

if (value where id = id == null) {

}
else {
Twitter: @Twitter
}

$result = mysql_query("SELECT * FROM somewhere");

while($row = mysql_fetch_assoc($result))
{
 if($row['someValue'] != '')
 {
  echo $row['someValue'];
 }
}

SELECT id, label value
FROM my_very_special_Table
WHERE id = ?
  AND label IS NOT NULL
  AND value IS NOT NULL

if ([value where id = id] !== null) {
    Twitter: @Twitter;