sticky dropdown (Sebastian Sulinski)

dropdown.php

<?php

function getAge($label, $limit=150) {
  $out = "<select name=\"{$label}\" id=\"{$label}\" class=\"sel\">";
  for($i=0; $i <= $limit; $i++) {
    $out .= "<option value=\"{$i}\"";
    $out .= stickyDropdown($label, $i);
    $out .= ">{$i}</option>";
  }
  $out .= "</select>";
  return $out;
}

function stickyDropdown($par, $value) {
  if(isset($_POST[$par]) && $_POST[$par] == $value) {
    return " selected=\"selected\"";
  } elseif (isset($_SESSION[$par]) && $_SESSION[$par] == $value) {
    return " selected=\"selected\"";
  }
}