transactionchoice

$inquire_button_alternative_text = get_post_meta($post->ID, "inquire_button_alternative_text", true);

if (empty($inquire_button_alternative_text)) {
//make a 'get a quote link'

    $nonce = wp_create_nonce($post->ID);
    // Store the current product information into temporarly for later use
    if (!isset($_SESSION['current_product']))
        {
            $_SESSION['current_product'] = array();
        }
        $_SESSION['current_product'][$nonce] = array(
            'link' => get_permalink($post->ID),
            'title' => get_the_title()
            );
 ?>
<div class="left"><a href="<?php echo home_url().'?nonce='.$nonce; ?>">Get a quote</a></div>

<?php } elseif(strpos($inquire_button_alternative_text, "shop.whiterabbitjapan")) {
    // make a buy now link

        define('REGEX_URL','/http\:\/\/[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,3}(\/\S*)?/');
        define('REGEX_URLS','/https\:\/\/[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,3}(\/\S*)?/');
        if(preg_match(REGEX_URL, $inquire_button_alternative_text, $url) || preg_match(REGEX_URLS, $inquire_button_alternative_text, $url)) {
            ?>
            <div class="left">
            <?php if (isset($_SESSION['partner']) && !empty($_SESSION['partner'])) {
            $url[0] = add_query_arg( 'a_aid', $_SESSION['partner'],$url[0]);
            }?>
            <a href="<?php echo $url[0]; ?>" target="_blank">Buy from our shop</a>
            </div>
        <?php }
        }
?>