$name = $_POST['name'];
$gender = $_POST['gender'];
$howlong = $_POST['howlong'];

****************

function sticky($field) {
if(isset($field))
  return $field;
}
function stickyradio($name,$value) {
if ($name == $value) {
    return ' checked="checked" ';
}
}

function stickymenu($name,$value) {
if ($name == $value) {
    return ' selected="selected" ';
}
}

***************

<input type="text" name="name" value="'.sticky($name).'" />
<input type="radio" name="gender"'.stickyradio($gender,'male').'value="male" />
<option value="1y"'.stickymenu($howlong,'1y').'>3 years</option>