Mophilly Technology Inc PHP cart example

<?php
    Copyright of Mophilly Technology Inc.
    Template Name: Shopping Cart
    Version 2.1
*/

get_header(); ?>

<?php if ( have_posts() ) : while ( have_posts() ) : the_post(); ?>
<?php get_template_part('includes/breadcrumbs'); ?>

<?php if (get_option('magnificent_integration_single_top') <> '' && get_option('magnificent_integrate_singletop_enable') == 'on') echo(get_option('magnificent_integration_single_top')); ?>

    <div id="entries">
        <div class="entry post entry-full">
            <div class="border">
                <div class="bottom">
                    <div class="entry-content clearfix">
                        <h1 class="title"><?php the_title(); ?></h1>


                        <?php if (get_option('magnificent_page_thumbnails') == 'on') { ?>

                            <?php $thumb = '';
                            $width = 218;
                            $height = 218;
                            $classtext = '';
                            $titletext = get_the_title();

                            $thumbnail = get_thumbnail($width,$height,$classtext,$titletext,$titletext);
                            $thumb = $thumbnail["thumb"]; ?>

                            <?php if($thumb <> '') { ?>
                                <div class="thumbnail">
                                    <?php print_thumbnail($thumb, $thumbnail["use_timthumb"], $titletext, $width, $height, $classtext); ?>
                                    <span class="overlay"></span>
                                </div>  <!-- end .thumbnail -->
                            <?php }; ?>

                        <?php }; ?>
                        <?php // begin custom code
                        global $current_user;
                        get_currentuserinfo();
                        //08/26 2012 mophilly; check for valid user registration
                        $isregistered = false;

                        $log_text = 'Shopping Cart Page: Current user id is ' . $current_user->ID;
                        $mo_debug->log_msg($logText,true);
                        echo $log_text;

                        if ( isset($current_user->ID) && $current_user->ID == 0 ) { ?>
                            <div id="logon-register">
                                <p>Please sign on or register a new account to purchase classes and online training.</p>
                                <p id="nav">
                                    <a href="#login-form" class="fancybox sav-nav" id="show-logon">Sign On To Your Account</a><br>
                                    <a href="#register-form" class="fancybox sav-nav" id="show-register">Create A New Account</a>
                                </p>
                                <br />
                            </div>
                        <?php } else {
                            $customers = new Customer();
                            $cust = $customers->getCustomerByWPid($current_user->ID);

                            $log_text = 'Shopping Cart Page: Current customer id is ' . $cust['id'];
                            $mo_debug->log_msg($logText,true);
                            echo $log_text;

                            if ( isset($cust['id']) && $cust['id'] > 0) {
                                $registration = $customers->validate($cust, false);
                                $log_text = 'Shopping Cart Page: Current registration is ' . $registration;
                                $mo_debug->log_msg($logText,true);
                                echo $log_text;

                                if ( $registration !== '' ) { ?>
                                    <div id="account-register">
                                        <p>Your registration is incomplete. Please visit the "My Account" page to complete your registration.</p>
                                        <p id="nav">
                                            <a href="<?php echo get_permalink($profile_page_id) ?>" class="sav-nav" id="show-account">View My Account</a>
                                        </p>
                                        <br />
                                    </div>
                                <?php }
                            }
                        }
                        // end custom code ?>
                        <?php the_content(); ?>

                        <div class="fancybox-hidden" style="display:none">
                            <div id="register-form">
                                <div class="title">
                                    <h3>Create A New Account</h3>

                                <div>
                                    <form name="registerform" id="registerform" action="<?php echo wp_login_url() ?>?action=register&redirect_to=<?php echo get_permalink() ?>" method="post">
                                        <input type="hidden" name="redirect_to" value="<?php echo get_permalink() ?>" />
                                        <div class="alignleft" style="width: 100%;">
                                            <label for="user_name">User Name<br />
                                            <input type="text" name="user_login" id="user_login_register" class="input reg_input" placeholder="your account name" value="" /></label>&nbsp;<small>This is the "account" name; keep it short</small>
                                            <br />
                                            <label for="user_email">Email Address<br />
                                            <input type="text" name="user_email" id="user_email" class="input reg_input" placeholder="your email address" value="" /></label>&nbsp;<small>This must be a working address</small>
                                            <br />
                                            <ul class="sav-nav">
                                                <li class="sav-nav" style="font-size: 18px;"><a id="AcceptRegister" href="#" >Register</a></li>
                                                <li class="sav-nav" style="font-size: 18px;" ><a id="CancelRegister" href="#" >Cancel</a>&nbsp;|</li>
                                            </ul>
                                        </div>
                                        <div class="alignleft"  style="width: 100%;">
                                            <hr />
                                            <p class="statement">A password will be e-mailed to you.</p>
                                            <p class="statement">Please check your "junkmail" and "spam" mail box if you don't see it in your inbox.</p>
                                        </div>
                                    </form>
                                </div>
                            </div>

                            <div id="login-form">
                                <div class="title">
                                    <h3>Sign On To Your Account</h3>
                                </div>
                                <div>
                                    <form name="loginform" id="loginform" action="<?php echo wp_login_url(get_permalink()) ?>" method="post">
                                        <div class="alignleft" style="width: 100%;">
                                            <input type="hidden" name="redirect_to" value="<?php echo get_permalink() ?>" />
                                            <input type="hidden" name="testcookie" value="1" />
                                            <label for="user_login">Username<br />
                                            <input type="text" name="log" id="user_login_signon" class="input login_input" placeholder="your user name" value="" />
                                            </label> <br /> <label for="user_pass">Password<br />
                                            <input type="password" name="pwd" id="user_pass" class="input login_input" placeholder="your password" value="" />
                                            </label>
                                            <ul class="sav-nav">
                                                <li class="sav-nav" style="font-size: 14px;"><a id="AcceptLogin" href="#" >Sign-In</a></li>
                                            </ul>
                                        </div>
                                        <div class="alignleft"  style="width: 100%;">
                                            <hr />
                                            <label for="rememberme">
                                            <input name="rememberme" type="checkbox" id="rememberme" value="forever" tabindex="90" />
                                            Remember Me</label>
                                        </div>
                                    </form>
                                </div>
                                <a href="<?php echo wp_lostpassword_url() ?>" title="Password Lost and Found">Lost your password?</a>
                            </div>
                        </div>