create_dropdown()

<?php

function create_dropdown($arr, $id){
    echo '<label for="' . $id . '">';
    echo '<select name="' . $id . '" id="' . $id .'">';

    if(isset($_POST[$id])){
        $sel = 'selected = selected';}
    else{ $sel = ''; }

    foreach($arr as $key => $val){
        echo '<option value="' . $key . '"' . $sel . '>' . $val . '</option>';
    }

    echo '</select>';
}

/**$test = array('supplier' => 's', 'customer' => 'c');

create_dropdown($test, 'yolo');**/