How to Create a Dynamic Drop Down List in PHP populated from MySQL Database

Question

I am trying to create a dynamic drop down list using PHP and mysql database. I have written the following code and its giving me the output, but the problem is that its show

Answer 1

$select_query= "Select name from category";
$select_query_run =     mysql_query($select_query);
$selectTag = "";
while   ($select_query_array=   mysql_fetch_array($select_query_run) ){
    foreach ($select_query_array as $select_query_display){
        $selectTag .="$select_query_display";
    }
}
$selectTag .= "";

   echo $selectTag;