Dropdown php

Código Php

/* formDropDown - create an HTML <SELECT>
 * vars: $name - the form variable NAME
 *       $value - the SELECTED option
 *       $labels - assoc. array, list of values=>labels
 * returns: string, HTML (i.e. for use in echo or print statement)
 */
function formDropDown($name,$value,$labels) {
    $html = "<SELECT NAME=\"$name\">\n";
    $key = key($labels);
    while($key != "") {
        if ($key == $value) {
            $selected = "SELECTED";
        } else {
            $selected = "";
        }
        $html .= "<OPTION VALUE=\"$key\" $selected>$labels[$key]\n";
        next($labels);
        $key = key($labels);
    }
    $html .= "</SELECT>\n";
    return $html;
}