PHP edd_get_cart_contents函数代码示例

/**
 * Show cart link and quantity count in header if the cart has contents.
 *
 * The ".edd-cart-quantity" class is needed in order for the quantity to be
 * updated dynamically via AJAX.
 *
 * @todo  Add cart link to mobile navigation bar.
 *
 * @since 1.0.0
 */
function huesos_edd_show_header_cart_link()
{
    if (!edd_get_cart_contents()) {
        return;
    }
    printf('<p class="cart-quantity"><a class="button" href="%1$s">%2$s (<span class="edd-cart-quantity">%3$s</span>)</a></p>', esc_url(edd_get_checkout_uri()), esc_html__('Cart', 'huesos'), esc_html(edd_get_cart_quantity()));
}

 public function validate_fields($valid_data, $post_data)
 {
     global $rcp_gifts;
     if (!$this->cart_has_gift_product()) {
         return;
     }
     $items = edd_get_cart_contents();
     $gifts = $_POST['edd_rcp_gift'];
     foreach ($items as $key => $item) {
         if (!$rcp_gifts->is_gift_product($item['id'])) {
             continue;
         }
         $email = $gifts[$key]['email'] ? sanitize_text_field($gifts[$key]['email']) : false;
         $name = $gifts[$key]['name'] ? sanitize_text_field($gifts[$key]['name']) : false;
         if (empty($email)) {
             edd_set_error('empty_gift_email_' . $key, __('Please enter an email address for the gift recipient', 'rcp-gifts'));
         }
         if (empty($name)) {
             edd_set_error('empty_gift_name_' . $key, __('Please enter the recipient\'s name', 'rcp-gifts'));
         }
         if (!is_email($email)) {
             edd_set_error('invalid_gift_email_' . $key, __('Please enter a valid email address for the gift recipient', 'rcp-gifts'));
         }
     }
 }

/**
 * Get Checkout Form
 *
 * @access      private
 * @since       1.0
 * @return      string
*/
function edd_checkout_form()
{
    global $edd_options, $user_ID, $post;
    ob_start();
    ?>

		<?php 
    if (edd_get_cart_contents()) {
        ?>

			<?php 
        edd_checkout_cart();
        ?>

			<div id="edd_checkout_form_wrap" class="edd_clearfix">

				<?php 
        do_action('edd_checkout_form_top');
        if (edd_show_gateways()) {
            do_action('edd_payment_payment_mode_select');
        } else {
            do_action('edd_purchase_form');
        }
        do_action('edd_checkout_form_bottom');
        ?>
			</div><!--end #edd_checkout_form_wrap-->
		<?php 
    } else {
        do_action('edd_empty_cart');
    }
    return ob_get_clean();
}

/**
 * Shopping Cart
 *
 * @access      public
 * @since       1.0 
 * @return      string
*/
function edd_shopping_cart($echo = false)
{
    global $edd_options;
    ob_start();
    ?>
	
	<?php 
    do_action('edd_before_cart');
    ?>
	<ul class="edd-cart">
	<?php 
    $cart_items = edd_get_cart_contents();
    if ($cart_items) {
        foreach ($cart_items as $key => $item) {
            echo edd_get_cart_item_template($key, $item, false);
        }
        echo '<li class="cart_item edd_checkout"><a href="' . get_permalink($edd_options['purchase_page']) . '">' . __('Checkout', 'edd') . '</a></li>';
    } else {
        echo '<li class="cart_item empty">' . edd_empty_cart_message() . '</li>';
        echo '<li class="cart_item edd_checkout" style="display:none;"><a href="' . get_permalink($edd_options['purchase_page']) . '">' . __('Checkout', 'edd') . '</a></li>';
    }
    ?>
	</ul>
	<?php 
    do_action('edd_after_cart');
    ?>
	<?php 
    if ($echo) {
        echo ob_get_clean();
    } else {
        return ob_get_clean();
    }
}

/**
 * Process Purchase Form
 *
 * Handles the purchase form process.
 *
 * @access      private
 * @since       1.0
 * @return      void
 */
function edd_process_purchase_form()
{
    do_action('edd_pre_process_purchase');
    // Make sure the cart isn't empty
    if (!edd_get_cart_contents() && !edd_cart_has_fees()) {
        $valid_data = false;
        edd_set_error('empty_cart', __('Your cart is empty', 'easy-digital-downloads'));
    } else {
        // Validate the form $_POST data
        $valid_data = edd_purchase_form_validate_fields();
        // Allow themes and plugins to hook to errors
        do_action('edd_checkout_error_checks', $valid_data, $_POST);
    }
    $is_ajax = isset($_POST['edd_ajax']);
    // Process the login form
    if (isset($_POST['edd_login_submit'])) {
        edd_process_purchase_login();
    }
    // Validate the user
    $user = edd_get_purchase_form_user($valid_data);
    if (false === $valid_data || edd_get_errors() || !$user) {
        if ($is_ajax) {
            do_action('edd_ajax_checkout_errors');
            edd_die();
        } else {
            return false;
        }
    }
    if ($is_ajax) {
        echo 'success';
        edd_die();
    }
    // Setup user information
    $user_info = array('id' => $user['user_id'], 'email' => $user['user_email'], 'first_name' => $user['user_first'], 'last_name' => $user['user_last'], 'discount' => $valid_data['discount'], 'address' => $user['address']);
    $auth_key = defined('AUTH_KEY') ? AUTH_KEY : '';
    // Setup purchase information
    $purchase_data = array('downloads' => edd_get_cart_contents(), 'fees' => edd_get_cart_fees(), 'subtotal' => edd_get_cart_subtotal(), 'discount' => edd_get_cart_discounted_amount(), 'tax' => edd_get_cart_tax(), 'price' => edd_get_cart_total(), 'purchase_key' => strtolower(md5($user['user_email'] . date('Y-m-d H:i:s') . $auth_key . uniqid('edd', true))), 'user_email' => $user['user_email'], 'date' => date('Y-m-d H:i:s', current_time('timestamp')), 'user_info' => stripslashes_deep($user_info), 'post_data' => $_POST, 'cart_details' => edd_get_cart_content_details(), 'gateway' => $valid_data['gateway'], 'card_info' => $valid_data['cc_info']);
    // Add the user data for hooks
    $valid_data['user'] = $user;
    // Allow themes and plugins to hook before the gateway
    do_action('edd_checkout_before_gateway', $_POST, $user_info, $valid_data);
    // If the total amount in the cart is 0, send to the manual gateway. This emulates a free download purchase
    if (!$purchase_data['price']) {
        // Revert to manual
        $purchase_data['gateway'] = 'manual';
        $_POST['edd-gateway'] = 'manual';
    }
    // Allow the purchase data to be modified before it is sent to the gateway
    $purchase_data = apply_filters('edd_purchase_data_before_gateway', $purchase_data, $valid_data);
    // Setup the data we're storing in the purchase session
    $session_data = $purchase_data;
    // Make sure credit card numbers are never stored in sessions
    unset($session_data['card_info']['card_number']);
    // Used for showing download links to non logged-in users after purchase, and for other plugins needing purchase data.
    edd_set_purchase_session($session_data);
    // Send info to the gateway for payment processing
    edd_send_to_gateway($purchase_data['gateway'], $purchase_data);
    edd_die();
}

function download_checkout_count_function($atts, $content)
{
    $cart_items = edd_get_cart_contents();
    if (empty($cart_items)) {
        return 0;
    } else {
        return count($cart_items);
    }
}

/**
 * Prevents logged-in customers from purchasing an item twice
 *
 */
function pw_edd_prevent_duplicate_purchase($valid_data, $posted)
{
    $cart_contents = edd_get_cart_contents();
    foreach ($cart_contents as $item) {
        if (edd_has_user_purchased(get_current_user_id(), $item['id'])) {
            edd_set_error('duplicate_item', 'You have already purchased this item so may not purchase it again');
        }
    }
}

 public function empty_cart($wp_admin_bar)
 {
     $title = __('Empty Cart', 'edd-dev-tools');
     $count = count(edd_get_cart_contents());
     if (!empty($count)) {
         $title .= '(' . $count . ')';
     }
     $args = array('id' => 'edd_empty_cart', 'title' => $title, 'href' => add_query_arg('empty_cart', true));
     $wp_admin_bar->add_node($args);
 }

/**
 * Get Checkout Form
 *
 * @since 1.0
 * @return string
 */
function edd_checkout_form()
{
    $payment_mode = edd_get_chosen_gateway();
    $form_action = esc_url(edd_get_checkout_uri('payment-mode=' . $payment_mode));
    ob_start();
    echo '<div id="edd_checkout_wrap">';
    if (edd_get_cart_contents() || edd_cart_has_fees()) {
        edd_checkout_cart();
        ?>
			<div id="edd_checkout_form_wrap" class="edd_clearfix">
				<?php 
        do_action('edd_before_purchase_form');
        ?>
				<form id="edd_purchase_form" class="edd_form" action="<?php 
        echo $form_action;
        ?>
" method="POST">
					<?php 
        /**
         * Hooks in at the top of the checkout form
         *
         * @since 1.0
         */
        do_action('edd_checkout_form_top');
        if (edd_show_gateways()) {
            do_action('edd_payment_mode_select');
        } else {
            do_action('edd_purchase_form');
        }
        /**
         * Hooks in at the bottom of the checkout form
         *
         * @since 1.0
         */
        do_action('edd_checkout_form_bottom');
        ?>
				</form>
				<?php 
        do_action('edd_after_purchase_form');
        ?>
			</div><!--end #edd_checkout_form_wrap-->
		<?php 
    } else {
        /**
         * Fires off when there is nothing in the cart
         *
         * @since 1.0
         */
        do_action('edd_cart_empty');
    }
    echo '</div><!--end #edd_checkout_wrap-->';
    return ob_get_clean();
}

/**
 * Process Purchase Form
 *
 * Handles the purchase form process.
 *
 * @access      private
 * @since       1.0
 * @version     1.0.8.1
 * @return      void
*/
function edd_process_purchase_form()
{
    // no need to run on admin
    if (is_admin()) {
        return;
    }
    // verify the nonce for this action
    if (!isset($_POST['edd-nonce']) || !wp_verify_nonce($_POST['edd-nonce'], 'edd-purchase-nonce')) {
        return;
    }
    // make sure the cart isn't empty
    $cart = edd_get_cart_contents();
    if (empty($cart)) {
        wp_die(sprintf(__('Your cart is empty, please return to the %ssite%s and try again.', 'edd'), '<a href="' . esc_url(home_url()) . '" title="' . get_bloginfo('name') . '">', '</a>'), __('Error', 'edd'));
    }
    // validate the form $_POST data
    $valid_data = edd_purchase_form_validate_fields();
    // allow themes and plugins to hoook to errors
    do_action('edd_checkout_error_checks', $_POST);
    // check errors
    if (false !== ($errors = edd_get_errors())) {
        // we have errors, send back to checkout
        edd_send_back_to_checkout('?payment-mode=' . $valid_data['gateway']);
        exit;
    }
    // check user
    if (false === ($user = edd_get_purchase_form_user($valid_data))) {
        // something went wrong when collecting data, send back to checkout
        edd_send_back_to_checkout('?payment-mode=' . $valid_data['gateway']);
        exit;
    }
    // setup user information
    $user_info = array('id' => $user['user_id'], 'email' => $user['user_email'], 'first_name' => $user['user_first'], 'last_name' => $user['user_last'], 'discount' => $valid_data['discount']);
    // setup purchase information
    $purchase_data = array('downloads' => edd_get_cart_contents(), 'subtotal' => edd_get_cart_amount(false), 'tax' => edd_get_cart_tax(), 'price' => edd_get_cart_amount(), 'purchase_key' => strtolower(md5(uniqid())), 'user_email' => $user['user_email'], 'date' => date('Y-m-d H:i:s'), 'user_info' => $user_info, 'post_data' => $_POST, 'cart_details' => edd_get_cart_content_details(), 'gateway' => $valid_data['gateway'], 'card_info' => $valid_data['cc_info']);
    // add the user data for hooks
    $valid_data['user'] = $user;
    // allow themes and plugins to hook before the gateway
    do_action('edd_checkout_before_gateway', $_POST, $user_info, $valid_data);
    // allow the purchase data to be modified before it is sent to the gateway
    $purchase_data = apply_filters('edd_purchase_data_before_gateway', $purchase_data, $valid_data);
    // if the total amount in the cart is 0, send to the manaul gateway. This emulates a free download purchase
    if ($purchase_data['price'] <= 0) {
        // revert to manual
        $valid_data['gateway'] = 'manual';
    }
    // used for showing download links to non logged-in users after purchase, and for other plugins needing purchase data.
    edd_set_purchase_session($purchase_data);
    // send info to the gateway for payment processing
    edd_send_to_gateway($valid_data['gateway'], $purchase_data);
    exit;
}

function pw_edd_recurring_limit_one_subscription($valid_data, $post_data)
{
    if (!class_exists('EDD_Recurring_Customer')) {
        return;
    }
    if (!is_user_logged_in()) {
        return;
    }
    $purchase_data = array('downloads' => edd_get_cart_contents());
    if (EDD_Recurring_Customer::is_customer_active() && EDD_Recurring()->is_purchase_recurring($purchase_data)) {
        edd_set_error('edd-one-subscription', __('You already have an active subscription so may not purchase a second one.', 'edd'));
    }
}

/**
 * Process Purchase Form
 *
 * Handles the purchase form process.
 *
 * @access      private
 * @since       1.0
 * @version     1.0.8.1
 * @return      void
*/
function edd_process_purchase_form()
{
    global $edd_options;
    // no need to run on admin
    if (is_admin()) {
        return;
    }
    // verify the nonce for this action
    if (!isset($_POST['edd-nonce']) || !wp_verify_nonce($_POST['edd-nonce'], 'edd-purchase-nonce')) {
        return;
    }
    // validate the form $_POST data
    $valid_data = edd_purchase_form_validate_fields();
    // allow themes and plugins to hoook to errors
    do_action('edd_checkout_error_checks', $_POST);
    // check errors
    if (false !== ($errors = edd_get_errors())) {
        // we have errors, send back to checkout
        edd_send_back_to_checkout('?payment-mode=' . $valid_data['gateway']);
        exit;
    }
    // check user
    if (false === ($user = edd_get_purchase_form_user($valid_data))) {
        // something went wrong when collecting data, send back to checkout
        edd_send_back_to_checkout('?payment-mode=' . $valid_data['gateway']);
        exit;
    }
    // setup user information
    $user_info = array('id' => $user['user_id'], 'email' => $user['user_email'], 'first_name' => $user['user_first'], 'last_name' => $user['user_last'], 'discount' => $valid_data['discount']);
    // setup purchase information
    $purchase_data = array('downloads' => edd_get_cart_contents(), 'price' => edd_get_cart_amount(), 'purchase_key' => strtolower(md5(uniqid())), 'user_email' => $user['user_email'], 'date' => date('Y-m-d H:i:s'), 'user_info' => $user_info, 'post_data' => $_POST, 'cart_details' => edd_get_cart_content_details(), 'gateway' => $valid_data['gateway'], 'card_info' => $valid_data['cc_info']);
    // add the user data for hooks
    $valid_data['user'] = $user;
    // allow themes and plugins to hook before the gateway
    do_action('edd_checkout_before_gateway', $_POST, $user_info, $valid_data);
    // allow the purchase data to be modified before it is sent to the gateway
    $purchase_data = apply_filters('edd_purchase_data_before_gateway', $purchase_data, $valid_data);
    // if the total amount in the cart is 0, send to the manaul gateway. This emulates a free download purchase
    if ($purchase_data['price'] <= 0) {
        // revert to manual
        $valid_data['gateway'] = 'manual';
    }
    if (isset($edd_options['show_links_on_success'])) {
        // used for showing download links to non logged-in users after purchase
        edd_set_purchase_session($purchase_data);
    }
    // send info to the gateway for payment processing
    edd_send_to_gateway($valid_data['gateway'], $purchase_data);
    exit;
}

/**
 * Do any items in the cart require shipping?
 *
 * @since Astoundify Crowdfunding 0.9
 *
 * @return void
 */
function atcf_shipping_cart_shipping()
{
    $cart_items = edd_get_cart_contents();
    $needs = false;
    if (!empty($cart_items)) {
        foreach ($cart_items as $key => $item) {
            $campaign = atcf_get_campaign($item['id']);
            if ($campaign->needs_shipping()) {
                $needs = true;
            }
        }
    }
    return apply_filters('atcf_shipping_cart_shipping', $needs);
}

/**
 * Process Purchase Form
 *
 * Handles the purchase form process.
 *
 * @access      private
 * @since       1.0
 * @version     1.0.8.1
 * @return      void
 */
function edd_process_purchase_form()
{
    // Make sure the cart isn't empty
    if (!edd_get_cart_contents()) {
        edd_set_error('empty_cart', __('Your cart is empty', 'edd'));
    } else {
        // Validate the form $_POST data
        $valid_data = edd_purchase_form_validate_fields();
        // Allow themes and plugins to hoook to errors
        do_action('edd_checkout_error_checks', $valid_data, $_POST);
    }
    $is_ajax = isset($_POST['edd_ajax']);
    $user = edd_get_purchase_form_user($valid_data);
    if (edd_get_errors() || !$user) {
        if ($is_ajax) {
            do_action('edd_ajax_checkout_errors');
            edd_die();
        } else {
            return false;
        }
    }
    if ($is_ajax) {
        echo 'success';
        edd_die();
    }
    // Setup user information
    $user_info = array('id' => $user['user_id'], 'email' => $user['user_email'], 'first_name' => $user['user_first'], 'last_name' => $user['user_last'], 'discount' => $valid_data['discount']);
    // Setup purchase information
    $purchase_data = array('downloads' => edd_get_cart_contents(), 'fees' => edd_get_cart_fees(), 'subtotal' => edd_get_cart_subtotal(), 'discount' => edd_get_cart_discounted_amount(), 'tax' => edd_get_cart_tax(), 'price' => edd_get_cart_total(), 'purchase_key' => strtolower(md5(uniqid())), 'user_email' => $user['user_email'], 'date' => date('Y-m-d H:i:s'), 'user_info' => $user_info, 'post_data' => $_POST, 'cart_details' => edd_get_cart_content_details(), 'gateway' => $valid_data['gateway'], 'card_info' => $valid_data['cc_info']);
    // Add the user data for hooks
    $valid_data['user'] = $user;
    // Allow themes and plugins to hook before the gateway
    do_action('edd_checkout_before_gateway', $_POST, $user_info, $valid_data);
    // Allow the purchase data to be modified before it is sent to the gateway
    $purchase_data = apply_filters('edd_purchase_data_before_gateway', $purchase_data, $valid_data);
    // If the total amount in the cart is 0, send to the manaul gateway. This emulates a free download purchase
    if (!$purchase_data['price']) {
        // Revert to manual
        $valid_data['gateway'] = 'manual';
    }
    // Used for showing download links to non logged-in users after purchase, and for other plugins needing purchase data.
    edd_set_purchase_session($purchase_data);
    // Send info to the gateway for payment processing
    edd_send_to_gateway($valid_data['gateway'], $purchase_data);
    edd_die();
}

/**
 * Add our own output of recommended products, as the plugin
 * uses the standard grid by default, and we need our own.
 *
 * @since Marketify 1.0
 *
 * @return void
 */
function marketify_recommended_products()
{
    global $edd_options;
    if (!function_exists('edd_rp_get_suggestions')) {
        return;
    }
    if (is_singular('download')) {
        global $post;
        $suggestion_data = edd_rp_get_suggestions($post->ID);
    } else {
        $cart_items = edd_get_cart_contents();
        if (empty($cart_items)) {
            return;
        }
        $post_ids = wp_list_pluck($cart_items, 'id');
        $user_id = is_user_logged_in() ? get_current_user_id() : false;
        $suggestion_data = edd_rp_get_multi_suggestions($post_ids, $user_id);
    }
    if (!is_array($suggestion_data) || empty($suggestion_data)) {
        return;
    }
    $suggestions = array_keys($suggestion_data);
    $suggested_downloads = new WP_Query(array('post__in' => $suggestions, 'post_type' => 'download', 'posts_per_page' => edd_get_option('edd_rp_suggestion_count')));
    ?>

	<h1 class="section-title recommended-products"><span><?php 
    _e('Recommended Products', 'marketify');
    ?>
</span></h1>

	<div class="row edd-recommended-products">
		<?php 
    while ($suggested_downloads->have_posts()) {
        $suggested_downloads->the_post();
        ?>
		<div class="col-lg-3 col-md-4 col-sm-6">
			<?php 
        get_template_part('content-grid', 'download');
        ?>
		</div>
		<?php 
    }
    ?>
	</div>
<?php 
}