select

<?php
    $select = $oldData['select'];
    ${'selected' . $select} = ' selected="selected"';

    /*
    if ($select == 1) {
        $s1="selected" ;
    } else if ($select == 2) {
        $s2="selected" ;
    } else if ($select == 3) {   
        $s3="selected" ;
    } else {
        $s4="selected" ;
    }
    */
?>
<select name="select" id="select">
    <option value="">Please select an option below:</option>   
    <option value="1"<?php echo @$selected1 ?>>Option#1</option>