function sendToPayFast(&$order)
 {
     global $pmpro_currency;
     //taxes on initial amount
     $initial_payment = $order->InitialPayment;
     $initial_payment_tax = $order->getTaxForPrice($initial_payment);
     $initial_payment = round((double) $initial_payment + (double) $initial_payment_tax, 2);
     //taxes on the amount
     $amount = $order->PaymentAmount;
     $amount_tax = $order->getTaxForPrice($amount);
     $order->subtotal = $amount;
     $amount = round((double) $amount + (double) $amount_tax, 2);
     //build PayFast Redirect
     $environment = pmpro_getOption("gateway_environment");
     if ("sandbox" === $environment || "beta-sandbox" === $environment) {
         $merchant_id = self::SANDBOX_MERCHANT_ID;
         $merchant_key = self::SANDBOX_MERCHANT_KEY;
         $payfast_url = "https://sandbox.payfast.co.za/eng/process";
     } else {
         $merchant_id = pmpro_getOption("payfast_merchant_id");
         $merchant_key = pmpro_getOption("payfast_merchant_key");
         $payfast_url = "https://www.payfast.co.za/eng/process";
     }
     $data = array('merchant_id' => $merchant_id, 'merchant_key' => $merchant_key, 'return_url' => pmpro_url("confirmation", "?level=" . $order->membership_level->id), 'cancel_url' => '', 'notify_url' => admin_url("admin-ajax.php") . "?action=payfast_itn_handler", 'name_first' => $order->FirstName, 'name_last' => $order->LastName, 'email_address' => $order->Email, 'm_payment_id' => $order->code, 'amount' => number_format($initial_payment, 2), 'item_name' => substr($order->membership_level->name . " at " . get_bloginfo("name"), 0, 127));
     $pfOutput = "";
     foreach ($data as $key => $val) {
         $pfOutput .= $key . '=' . urlencode(trim($val)) . '&';
     }
     // Remove last ampersand
     $pfOutput = substr($pfOutput, 0, -1);
     $signature = md5($pfOutput);
     $payfast_url .= '?' . $pfOutput . '&signature=' . $signature;
     wp_redirect($payfast_url);
     exit;
 }

function pmpro_send_html($phpmailer)
{
    // Set the original plain text message
    $phpmailer->AltBody = wp_specialchars_decode($phpmailer->Body, ENT_QUOTES);
    // Clean < and > around text links in WP 3.1
    $phpmailer->Body = preg_replace('#<(http://[^*]+)>#', '$1', $phpmailer->Body);
    // Convert line breaks & make links clickable
    $phpmailer->Body = make_clickable($phpmailer->Body);
    // Add header to message if found
    if (file_exists(get_stylesheet_directory() . "/email_header.html")) {
        $phpmailer->Body = file_get_contents(get_stylesheet_directory() . "/email_header.html") . "\n" . $phpmailer->Body;
    } elseif (file_exists(get_template_directory() . "/email_header.html")) {
        $phpmailer->Body = file_get_contents(get_template_directory() . "/email_header.html") . "\n" . $phpmailer->Body;
    }
    // Add footer to message if found
    if (file_exists(get_stylesheet_directory() . "/email_footer.html")) {
        $phpmailer->Body = $phpmailer->Body . "\n" . file_get_contents(get_stylesheet_directory() . "/email_footer.html");
    } elseif (file_exists(get_template_directory() . "/email_footer.html")) {
        $phpmailer->Body = $phpmailer->Body . "\n" . file_get_contents(get_template_directory() . "/email_footer.html");
    }
    // Replace variables in email
    global $current_user;
    $data = array("name" => $current_user->display_name, "sitename" => get_option("blogname"), "login_link" => pmpro_url("account"), "display_name" => $current_user->display_name, "user_email" => $current_user->user_email, "subject" => $phpmailer->Subject);
    foreach ($data as $key => $value) {
        $phpmailer->Body = str_replace("!!" . $key . "!!", $value, $phpmailer->Body);
    }
    do_action("pmpro_after_phpmailer_init", $phpmailer);
    do_action("pmpro_after_pmpmailer_init", $phpmailer);
    //typo left in for backwards compatibility
}

function pmpron_manage_sites_preheader()
{
    if (!is_admin()) {
        global $post, $current_user;
        if (!empty($post->post_content) && strpos($post->post_content, "[pmpron_manage_sites]") !== false) {
            /*
            	Preheader operations here.
            */
            //make sure they have site credits
            global $current_user;
            $credits = $current_user->pmpron_site_credits;
            if (empty($credits)) {
                //redirect to levels
                wp_redirect(pmpro_url("levels"));
                exit;
            }
        }
    }
}

//.........这里部分代码省略.........
                }
                ?>
								<td class="pmpro_addon_package-title">
									<h3>
									<?php 
                if (!empty($link)) {
                    echo '<a href="' . get_permalink() . '">' . get_the_title() . '</a>';
                } else {
                    echo get_the_title();
                }
                ?>
									</h3>									
								</td>
								<?php 
                if (!empty($current_user->ID) && pmproap_hasAccess($current_user->ID, $post->ID)) {
                    ?>
										<td width="25%" class="pmpro_addon_package-view"><a class="pmpro_btn" href="<?php 
                    echo the_permalink();
                    ?>
"><?php 
                    echo $view_button;
                    ?>
</a></td>
										<?php 
                } else {
                    //which level to use for checkout link?
                    $text_level_id = pmproap_getLevelIDForCheckoutLink($post->ID, $current_user->ID);
                    ?>
										<td width="25%" class="pmpro_addon_package-buy">
										<?php 
                    if (empty($text_level_id)) {
                        ?>
												<a class="pmpro_btn" href="<?php 
                        echo pmpro_url("levels");
                        ?>
">
													<?php 
                        echo $levels_button;
                        ?>
												</a>
											<?php 
                    } else {
                        //what's the price
                        $pmproap_price = get_post_meta($post->ID, "_pmproap_price", true);
                        ?>
												<a class="pmpro_btn" href="<?php 
                        echo pmpro_url("checkout", "?level=" . $text_level_id . "&ap=" . $post->ID);
                        ?>
">
													<?php 
                        echo $checkout_button;
                        ?>
 &mdash; <span class="pmpro_addon_package-price"><?php 
                        echo pmpro_formatPrice($pmproap_price);
                        ?>
</span>
												</a>
											<?php 
                    }
                    ?>
										</td>
										<?php 
                }
                ?>
							</tr> <!-- end pmpro_addon_package-->
							<?php 

function pmpro_getCheckoutButton($level_id, $button_text = NULL, $classes = NULL)
{
    if (empty($button_text)) {
        $button_text = __("Sign Up for !!name!! Now", "pmpro");
    }
    if (empty($classes)) {
        $classes = "pmpro_btn";
    }
    if (empty($level_id)) {
        $r = __("Please specify a level id.", "pmpro");
    } else {
        //get level
        $level = pmpro_getLevel($level_id);
        //replace vars
        $replacements = array("!!id!!" => $level->id, "!!name!!" => $level->name, "!!description!!" => $level->description, "!!confirmation!!" => $level->confirmation, "!!initial_payment!!" => $level->initial_payment, "!!billing_amount!!" => $level->billing_amount, "!!cycle_number!!" => $level->cycle_number, "!!cycle_period!!" => $level->cycle_period, "!!billing_limit!!" => $level->billing_limit, "!!trial_amount!!" => $level->trial_amount, "!!trial_limit!!" => $level->trial_limit, "!!expiration_number!!" => $level->expiration_number, "!!expiration_period!!" => $level->expiration_period);
        $button_text = str_replace(array_keys($replacements), $replacements, $button_text);
        //button text
        $r = "<a href=\"" . pmpro_url("checkout", "?level=" . $level_id) . "\" class=\"" . $classes . "\">" . $button_text . "</a>";
    }
    return $r;
}

<?php

global $besecure;
$besecure = false;
global $current_user, $pmpro_msg, $pmpro_msgt, $pmpro_confirm, $pmpro_error;
//if they don't have a membership, send them back to the subscription page
if (empty($current_user->membership_level->ID)) {
    wp_redirect(pmpro_url("levels"));
}
if (isset($_REQUEST['confirm'])) {
    $pmpro_confirm = $_REQUEST['confirm'];
} else {
    $pmpro_confirm = false;
}
if ($pmpro_confirm) {
    $old_level_id = $current_user->membership_level->id;
    $worked = pmpro_changeMembershipLevel(false, $current_user->ID);
    if ($worked === true && empty($pmpro_error)) {
        $pmpro_msg = __("Your membership has been cancelled.", 'pmpro');
        $pmpro_msgt = "pmpro_success";
        //send an email to the member
        $myemail = new PMProEmail();
        $myemail->sendCancelEmail();
        //send an email to the admin
        $myemail = new PMProEmail();
        $myemail->sendCancelAdminEmail($current_user, $old_level_id);
    } else {
        global $pmpro_error;
        $pmpro_msg = $pmpro_error;
        $pmpro_msgt = "pmpro_error";
    }

function pmprorh_email_passed($level)
{
    global $wpdb, $pmpro_msg, $pmpro_msgt;
    //confirm email
    if (!empty($_GET['bemail']) && !is_user_logged_in()) {
        //make sure the email is available
        $oldemail = $wpdb->get_var("SELECT ID FROM {$wpdb->users} WHERE user_email = '" . esc_sql($_REQUEST['bemail']) . "' LIMIT 1");
        if (!$oldemail || !apply_filters('pmpro_checkout_oldemail', true)) {
            //confirm email
            global $bemail, $bconfirmemail;
            $bemail = str_replace(" ", "+", $_REQUEST['bemail']);
            $bconfirmemail = $bemail;
            $_REQUEST['bconfirmemail'] = $_REQUEST['bemail'];
            //make sure bemail is still set later
            add_action("pmpro_checkout_after_password", "pmproh_pmpro_checkout_after_password");
            //don't show the confirm email
            add_filter("pmpro_checkout_confirm_email", "pmproh_pmpro_checkout_confirm_email");
        } else {
            //email is in use
            wp_redirect(home_url("/login/?redirect_to=" . pmpro_url("checkout", "?level=" . $_REQUEST['level'])));
            exit;
        }
    }
    return $level;
}

function pmprosm_pmpro_email_body($body, $pmpro_email)
{
    global $wpdb, $pmprosm_sponsored_account_levels;
    //only checkout emails, not admins
    if (strpos($pmpro_email->template, "checkout") !== false && strpos($pmpro_email->template, "admin") === false && strpos($pmpro_email->template, "debug") === false) {
        //get the user_id from the email
        $user_id = $wpdb->get_var("SELECT ID FROM {$wpdb->users} WHERE user_email = '" . $pmpro_email->data['user_email'] . "' LIMIT 1");
        $level_id = $pmpro_email->data['membership_id'];
        $code_id = pmprosm_getCodeByUserID($user_id);
        if (!empty($user_id) && !empty($code_id) && pmprosm_isMainLevel($level_id)) {
            //get code
            $code = $wpdb->get_row("SELECT * FROM {$wpdb->pmpro_discount_codes} WHERE id = '" . esc_sql($code_id) . "' LIMIT 1");
            //get sponsored levels
            $pmprosm_values = pmprosm_getValuesByMainLevel($level_id);
            if (!is_array($pmprosm_values['sponsored_level_id'])) {
                $sponsored_level_ids = array($pmprosm_values['sponsored_level_id']);
            } else {
                $sponsored_level_ids = $pmprosm_values['sponsored_level_id'];
            }
            //no sponsored levels to use codes for
            if (empty($sponsored_level_ids) || empty($sponsored_level_ids[0])) {
                return $body;
            }
            //no uses for this code
            if (empty($code->uses)) {
                return $body;
            }
            //check if we should update confirmation email
            if (isset($pmprosm_values['add_code_to_confirmation_email']) && $pmprosm_values['add_code_to_confirmation_email'] === false) {
                return $body;
            }
            //figure out urls for code
            $code_urls = array();
            $pmpro_levels = pmpro_getAllLevels(true, true);
            foreach ($sponsored_level_ids as $sponsored_level_id) {
                $level_name = $pmpro_levels[$sponsored_level_id]->name;
                $code_urls[] = array("name" => $level_name, "url" => pmpro_url("checkout", "?level=" . $sponsored_level_id . "&discount_code=" . $code->code));
            }
            //build message
            $message = "<p>" . sprintf(__("Give this code to your sponsored members to use at checkout: %s", "pmpro_sponsored_members"), $code->code) . "<br />";
            if (count($code_urls) > 1) {
                $message .= __("Or provide one of these direct links to register:", "pmpro_sponsored_members") . "</p>";
            } else {
                $message .= __("Or provide this direct link to register:", "pmpro_sponsored_members") . "</p>";
            }
            $message .= "<ul>";
            foreach ($code_urls as $code_url) {
                $message .= "<li>" . $code_url['name'] . ": <strong>" . $code_url['url'] . "</strong></li>";
            }
            $message .= "</ul>";
            $body = $message . "<hr />" . $body;
        }
    }
    return $body;
}

function pmpro_shortcode_account($atts, $content = null, $code = "")
{
    global $wpdb, $pmpro_msg, $pmpro_msgt, $pmpro_levels, $current_user, $levels;
    // $atts    ::= array of attributes
    // $content ::= text within enclosing form of shortcode element
    // $code    ::= the shortcode found, when == callback name
    // examples: [pmpro_account] [pmpro_account sections="membership,profile"/]
    extract(shortcode_atts(array('section' => '', 'sections' => 'membership,profile,invoices,links'), $atts));
    //did they use 'section' instead of 'sections'?
    if (!empty($section)) {
        $sections = $section;
    }
    //turn into an array
    $sections = explode(',', $sections);
    ob_start();
    //if a member is logged in, show them some info here (1. past invoices. 2. billing information with button to update.)
    if (pmpro_hasMembershipLevel()) {
        $ssorder = new MemberOrder();
        $ssorder->getLastMemberOrder();
        $invoices = $wpdb->get_results("SELECT *, UNIX_TIMESTAMP(timestamp) as timestamp FROM {$wpdb->pmpro_membership_orders} WHERE user_id = '{$current_user->ID}' ORDER BY timestamp DESC LIMIT 6");
        ?>
	
	<div id="pmpro_account">		
		
		<?php 
        if (in_array('membership', $sections) || in_array('memberships', $sections)) {
            ?>
			<div id="pmpro_account-membership" class="pmpro_box">
				
				<h3><?php 
            _e("My Memberships", "pmpro");
            ?>
</h3>
				<table width="100%" cellpadding="0" cellspacing="0" border="0">
					<thead>
						<tr>
							<th><?php 
            _e("Level", "pmpro");
            ?>
</th>
							<th><?php 
            _e("Billing", "pmpro");
            ?>
</th>
							<th><?php 
            _e("Expiration", "pmpro");
            ?>
</th>
						</tr>
					</thead>
					<tbody>
						<?php 
            //TODO: v2.0 will loop through levels here
            $level = $current_user->membership_level;
            ?>
						<tr>
							<td class="pmpro_account-membership-levelname">
								<?php 
            echo $current_user->membership_level->name;
            ?>
								<div class="pmpro_actionlinks">
									<?php 
            do_action("pmpro_member_action_links_before");
            ?>
									
									<?php 
            if (pmpro_isLevelExpiringSoon($current_user->membership_level)) {
                ?>
										<a href="<?php 
                echo pmpro_url("checkout", "?level=" . $current_user->membership_level->id, "https");
                ?>
"><?php 
                _e("Renew", "pmpro");
                ?>
</a>
									<?php 
            }
            ?>

									<?php 
            if (isset($ssorder->status) && $ssorder->status == "success" && (isset($ssorder->gateway) && in_array($ssorder->gateway, array("authorizenet", "paypal", "stripe", "braintree", "payflow", "cybersource")))) {
                ?>
										<a href="<?php 
                echo pmpro_url("billing", "", "https");
                ?>
"><?php 
                _e("Update Billing Info", "pmpro");
                ?>
</a>
									<?php 
            }
            ?>
									
									<?php 
            //To do: Only show CHANGE link if this level is in a group that has upgrade/downgrade rules
            if (count($pmpro_levels) > 1 && !defined("PMPRO_DEFAULT_LEVEL")) {
                ?>
										<a href="<?php 
                echo pmpro_url("levels");
                ?>
//.........这里部分代码省略.........

    pmpro_twocheckoutExit(pmpro_url("confirmation", "?level=" . $morder->membership_level->id));
}
// First Payment (checkout) (Will probably want to update order, but not send another email/etc)
if ($message_type == 'ORDER_CREATED') {
    //initial payment, get the order
    $morder = new MemberOrder($order_id);
    $morder->getMembershipLevel();
    $morder->getUser();
    inslog("ORDER_CREATED: ORDER: " . var_export($morder, true) . "\n---\n");
    //update membership
    if (pmpro_insChangeMembershipLevel($txn_id, $morder)) {
        inslog("Checkout processed (" . $morder->code . ") success!");
    } else {
        inslog("ERROR: Couldn't change level for order (" . $morder->code . ").");
    }
    pmpro_twocheckoutExit(pmpro_url("confirmation", "?level=" . $morder->membership_level->id));
}
// Recurring Payment Success (recurring installment success and recurring is true)
if ($message_type == 'RECURRING_INSTALLMENT_SUCCESS') {
    //is this a first payment?
    $last_subscr_order = new MemberOrder();
    if ($last_subscr_order->getLastMemberOrderBySubscriptionTransactionID($txn_id) == false) {
        //first payment, get order
        $morder = new MemberOrder($order_id);
        $morder->getMembershipLevel();
        $morder->getUser();
        //update membership
        if (pmpro_insChangeMembershipLevel($txn_id, $morder)) {
            inslog("Checkout processed (" . $morder->code . ") success!");
        } else {
            inslog("ERROR: Couldn't change level for order (" . $morder->code . ").");

            //setup some values for the emails
            if (!empty($morder)) {
                $invoice = new MemberOrder($morder->id);
            } else {
                $invoice = NULL;
            }
            $current_user->membership_level = $pmpro_level;
            //make sure they have the right level info
            //send email to member
            $pmproemail = new PMProEmail();
            $pmproemail->sendCheckoutEmail($current_user, $invoice);
            //send email to admin
            $pmproemail = new PMProEmail();
            $pmproemail->sendCheckoutAdminEmail($current_user, $invoice);
            //redirect to confirmation
            $rurl = pmpro_url("confirmation", "?level=" . $pmpro_level->id);
            $rurl = apply_filters("pmpro_confirmation_url", $rurl, $user_id, $pmpro_level);
            wp_redirect($rurl);
            exit;
        } else {
            //uh oh. we charged them then the membership creation failed
            if (isset($morder) && $morder->cancel()) {
                $pmpro_msg = __("IMPORTANT: Something went wrong during membership creation. Your credit card authorized, but we cancelled the order immediately. You should not try to submit this form again. Please contact the site owner to fix this issue.", "pmpro");
                $morder = NULL;
            } else {
                $pmpro_msg = __("IMPORTANT: Something went wrong during membership creation. Your credit card was charged, but we couldn't assign your membership. You should not submit this form again. Please contact the site owner to fix this issue.", "pmpro");
            }
        }
    }
}
//default values

		function sendMembershipExpiredEmail($user = NULL)
		{
			global $current_user, $wpdb;
			if(!$user)
				$user = $current_user;
			
			if(!$user)
				return false;						
						
			$this->email = $user->user_email;
			$this->subject = "Your membership at " . get_option("blogname") . " has ended";
			$this->template = "membership_expired";
			$this->data = array("subject" => $this->subject, "name" => $user->display_name, "user_login" => $user->user_login, "sitename" => get_option("blogname"), "siteemail" => get_bloginfo("admin_email"), "login_link" => wp_login_url(), "display_name" => $user->display_name, "user_email" => $user->user_email, "levels_link" => pmpro_url("levels"));			
			
			return $this->sendEmail();
		}

	}
	else
	{
		$pmpro_msg = false;
	}
	
	//if no user, redirect to levels page
	if(empty($current_user->ID))
	{		
		$redirect = apply_filters("pmpro_account_preheader_no_user_redirect", pmpro_url("levels"));
		if($redirect)
		{						
			wp_redirect($redirect);
			exit;
		}
	}
	
	//if no membership level, redirect to levels page
	if(empty($current_user->membership_level->ID))
	{
		$redirect = apply_filters("pmpro_account_preheader_redirect", pmpro_url("levels"));
		if($redirect)
		{			
			wp_redirect($redirect);
			exit;
		}
	}	
	
	global $pmpro_levels;
	$pmpro_levels = pmpro_getAllLevels();		
?>

function pmprorh_signup_shortcode($atts, $content = null, $code = "")
{
    // $atts    ::= array of attributes
    // $content ::= text within enclosing form of shortcode element
    // $code    ::= the shortcode found, when == callback name
    // examples: [pmpro_signup level="3" short="1" intro="0" button="Signup Now"]
    //make sure PMPro is activated
    if (!function_exists('pmpro_getLevel')) {
        return "Paid Memberships Pro must be installed to use the pmpro_signup shortcode.";
    }
    //default title
    if (!empty($level)) {
        $default_title = 'Register For ' . pmpro_getLevel($level)->name;
    } else {
        $default_title = 'Register For ' . get_option('blogname');
    }
    //set defaults
    extract(shortcode_atts(array('button' => "Sign Up Now", 'intro' => "0", 'level' => NULL, 'login' => true, 'short' => NULL, 'title' => $default_title), $atts));
    //turn 0's into falses
    if ($login === "0" || $login === "false" || $login === "no") {
        $login = false;
    } else {
        $login = true;
    }
    if ($short === "0" || $short === "false" || $short === "no") {
        $short = false;
    } else {
        $short = true;
    }
    if ($intro === "0" || $intro === "false" || $intro === "no") {
        $intro = false;
    }
    global $current_user, $membership_levels;
    ob_start();
    ?>
		<?php 
    if (!empty($current_user->ID) && pmpro_hasMembershipLevel($level, $current_user->ID)) {
        ?>
			<p>You are logged in as <?php 
        echo $current_user->user_login;
        ?>
.</p>
		<?php 
    } else {
        ?>
		<form class="pmpro_form pmpro_signup_form" action="<?php 
        echo pmpro_url("checkout");
        ?>
" method="post">
			<h2><?php 
        echo $title;
        ?>
</h2>
			<?php 
        if (!empty($intro)) {
            echo wpautop($intro);
        }
        ?>
			<input type="hidden" id="level" name="level" value="<?php 
        echo $level;
        ?>
" />
			<?php 
        if (!empty($current_user->ID)) {
            ?>
					<p id="pmpro_account_loggedin">
						<?php 
            printf(__('You are logged in as <strong>%s</strong>. If you would like to use a different account for this membership, <a href="%s">log out now</a>.', 'pmpro'), $current_user->user_login, wp_logout_url($_SERVER['REQUEST_URI']));
            ?>
					</p>
					<?php 
        } else {
            ?>
					<div>
						<label for="username">Username</label>
						<input id="username" name="username" type="text" class="input" size="30" value="" />
					</div>
					<?php 
            do_action("pmpro_checkout_after_username");
            ?>
					<div>
						<label for="password">Password</label>
						<input id="password" name="password" type="password" class="input" size="30" value="" />
					</div>
					<?php 
            if ($short) {
                ?>
						<input type="hidden" name="password2_copy" value="1" />
					<?php 
            } else {
                ?>
						<div>
							<label for="password2">Confirm Password</label>
							<input id="password2" name="password2" type="password" class="input" size="30" value="" />
						</div>
					<?php 
            }
            ?>
					<?php 
            do_action("pmpro_checkout_after_password");
//.........这里部分代码省略.........

 /**
  * Send billable invoice email.
  *
  * @since 1.8.6
  *
  * @param WP_User $user
  * @param MemberOrder $order
  *
  * @return bool Whether the email was sent successfully.
  */
 function sendBillableInvoiceEmail($user = NULL, $order = NULL)
 {
     global $current_user;
     if (!$user) {
         $user = $current_user;
     }
     if (!$user || !$order) {
         return false;
     }
     $level = pmpro_getLevel($order->membership_id);
     $this->email = $user->user_email;
     $this->subject = __('Invoice for Order #: ', 'pmpro') . $order->code;
     $this->template = "billable_invoice";
     // Load invoice template
     if (file_exists(get_stylesheet_directory() . '/paid-memberships-pro/pages/orders-email.php')) {
         $template = get_stylesheet_directory() . '/paid-memberships-pro/pages/orders-email.php';
     } elseif (file_exists(get_template_directory() . '/paid-memberships-pro/pages/orders-email.php')) {
         $template = get_template_directory() . '/paid-memberships-pro/pages/orders-email.php';
     } else {
         $template = PMPRO_DIR . '/adminpages/templates/orders-email.php';
     }
     ob_start();
     require_once $template;
     $invoice = ob_get_contents();
     ob_end_clean();
     $this->data = array('order_code' => $order->code, 'login_link' => wp_login_url(pmpro_url("account")), 'invoice_link' => wp_login_url(pmpro_url("invoice", "?invoice=" . $order->code)), 'invoice' => $invoice);
     return $this->sendEmail();
 }

	<?php 
if (!$skip_account_fields && !$pmpro_review) {
    ?>
	<table id="pmpro_user_fields" class="pmpro_checkout" width="100%" cellpadding="0" cellspacing="0" border="0">
	<thead>
		<tr>
			<th>
				<span class="pmpro_thead-name"><?php 
    _e('Account Information', 'pmpro');
    ?>
</span>
				<span class="pmpro_thead-msg"><?php 
    _e('Already have an account?', 'pmpro');
    ?>
 <a href="<?php 
    echo wp_login_url(pmpro_url("checkout", "?level=" . $pmpro_level->id));
    ?>
"><?php 
    _e('Log in here', 'pmpro');
    ?>
</a></span>
			</th>
		</tr>
	</thead>
	<tbody>
		<tr>
			<td>
				<div>
					<label for="username"><?php 
    _e('Username', 'pmpro');
    ?>

		function setExpressCheckout(&$order)
		{			
			global $pmpro_currency;
			
			if(empty($order->code))
				$order->code = $order->getRandomCode();			
			
			//clean up a couple values
			$order->payment_type = "PayPal Express";
			$order->CardType = "";
			$order->cardtype = "";
			
			//taxes on initial amount
			$initial_payment = $order->InitialPayment;
			$initial_payment_tax = $order->getTaxForPrice($initial_payment);
			$initial_payment = round((float)$initial_payment + (float)$initial_payment_tax, 2);
			
			//taxes on the amount
			$amount = $order->PaymentAmount;
			$amount_tax = $order->getTaxForPrice($amount);						
			$order->subtotal = $amount;
			$amount = round((float)$amount + (float)$amount_tax, 2);
						
			//paypal profile stuff
			$nvpStr = "";
			$nvpStr .="&AMT=" . $initial_payment . "&CURRENCYCODE=" . $pmpro_currency . "&PROFILESTARTDATE=" . $order->ProfileStartDate;			
			$nvpStr .= "&BILLINGPERIOD=" . $order->BillingPeriod . "&BILLINGFREQUENCY=" . $order->BillingFrequency . "&AUTOBILLAMT=AddToNextBilling";
			$nvpStr .= "&DESC=" . urlencode(substr($order->membership_level->name . " at " . get_bloginfo("name"), 0, 127));
			$nvpStr .= "&NOTIFYURL=" . urlencode(admin_url('admin-ajax.php') . "?action=ipnhandler");
			$nvpStr .= "&NOSHIPPING=1&L_BILLINGTYPE0=RecurringPayments&L_BILLINGAGREEMENTDESCRIPTION0=" . urlencode(substr($order->membership_level->name . " at " . get_bloginfo("name"), 0, 127)) . "&L_PAYMENTTYPE0=Any";
					
			//if billing cycles are defined						
			if(!empty($order->TotalBillingCycles))
				$nvpStr .= "&TOTALBILLINGCYCLES=" . $order->TotalBillingCycles;
			
			//if a trial period is defined
			if(!empty($order->TrialBillingPeriod))
			{
				$trial_amount = $order->TrialAmount;
				$trial_tax = $order->getTaxForPrice($trial_amount);
				$trial_amount = round((float)$trial_amount + (float)$trial_tax, 2);
				
				$nvpStr .= "&TRIALBILLINGPERIOD=" . $order->TrialBillingPeriod . "&TRIALBILLINGFREQUENCY=" . $order->TrialBillingFrequency . "&TRIALAMT=" . $trial_amount;
			}
			if(!empty($order->TrialBillingCycles))
				$nvpStr .= "&TRIALTOTALBILLINGCYCLES=" . $order->TrialBillingCycles;
			
			if(!empty($order->discount_code))
			{
				$nvpStr .= "&ReturnUrl=" . urlencode(pmpro_url("checkout", "?level=" . $order->membership_level->id . "&discount_code=" . $order->discount_code . "&review=" . $order->code));				
			}
			else
			{
				$nvpStr .= "&ReturnUrl=" . urlencode(pmpro_url("checkout", "?level=" . $order->membership_level->id . "&review=" . $order->code));				
			}
			
			$additional_parameters = apply_filters("pmpro_paypal_express_return_url_parameters", array());									
			if(!empty($additional_parameters))
			{
				foreach($additional_parameters as $key => $value)				
					$nvpStr .= urlencode("&" . $key . "=" . $value);
			}						
			
			$nvpStr .= "&CANCELURL=" . urlencode(pmpro_url("levels"));									
						
			$this->httpParsedResponseAr = $this->PPHttpPost('SetExpressCheckout', $nvpStr);					
						
			if("SUCCESS" == strtoupper($this->httpParsedResponseAr["ACK"]) || "SUCCESSWITHWARNING" == strtoupper($this->httpParsedResponseAr["ACK"])) {
				$order->status = "token";				
				$order->paypal_token = urldecode($this->httpParsedResponseAr['TOKEN']);
				$order->subscription_transaction_id = urldecode($this->httpParsedResponseAr['PROFILEID']);
												
				//update order
				$order->saveOrder();							
							
				//redirect to paypal
				$paypal_url = "https://www.paypal.com/webscr&cmd=_express-checkout&useraction=commit&token=" . $this->httpParsedResponseAr['TOKEN'];
				$environment = pmpro_getOption("gateway_environment");				
				if("sandbox" === $environment || "beta-sandbox" === $environment) 
				{
					$paypal_url = "https://www.sandbox.paypal.com/webscr&useraction=commit&cmd=_express-checkout&token="  . $this->httpParsedResponseAr['TOKEN'];
				}		
								
				wp_redirect($paypal_url);				
				exit;
				
				//exit('SetExpressCheckout Completed Successfully: '.print_r($this->httpParsedResponseAr, true));
			} else  {				
				$order->status = "error";
				$order->errorcode = $this->httpParsedResponseAr['L_ERRORCODE0'];
				$order->error = urldecode($this->httpParsedResponseAr['L_LONGMESSAGE0']);
				$order->shorterror = urldecode($this->httpParsedResponseAr['L_SHORTMESSAGE0']);
				return false;
				//exit('SetExpressCheckout failed: ' . print_r($httpParsedResponseAr, true));
			}
			
			//write session?
			
			//redirect to PayPal
		}

<?php

global $current_user;
if ($current_user->ID) {
    $current_user->membership_level = pmpro_getMembershipLevelForUser($current_user->ID);
}
//is there a default level to redirect to?
if (defined("PMPRO_DEFAULT_LEVEL")) {
    $default_level = intval(PMPRO_DEFAULT_LEVEL);
} else {
    $default_level = false;
}
if ($default_level) {
    wp_redirect(pmpro_url("checkout", "?level=" . $default_level));
    exit;
}
global $wpdb, $pmpro_msg, $pmpro_msgt;
if (isset($_REQUEST['msg'])) {
    if ($_REQUEST['msg'] == 1) {
        $pmpro_msg = __('Your membership status has been updated - Thank you!', 'pmpro');
    } else {
        $pmpro_msg = __('Sorry, your request could not be completed - please try again in a few moments.', 'pmpro');
        $pmpro_msgt = "pmpro_error";
    }
} else {
    $pmpro_msg = false;
}
global $pmpro_levels;
$pmpro_levels = pmpro_getAllLevels(false, true);
$pmpro_levels = apply_filters("pmpro_levels_array", $pmpro_levels);

function pmpro_login_head()
{
    $login_redirect = apply_filters("pmpro_login_redirect", true);
    if ((pmpro_is_login_page() || is_page("login") || class_exists("Theme_My_Login") && defined('Theme_My_Login::version') && version_compare(Theme_My_Login::version, "6.3") >= 0 && (Theme_My