PHP give_get_currency函数代码示例

/**
 *  Creates a shortcode to displays a "nag" (which can be styled with CSS targeting a class of 'my-custom-nag')
 *
 *  Sample shortcodes:
 *
 *  [givetotal total_goal="10,000" link="http://example.com"] displays "So far, we have raised $0 toward our goal of $10,000! Donate now"
 *  (where "0" will be replaced with total earnings from all forms, and "Donate Now" is linked to http://example.com)
 *
 *  [givetotal form_id="34" total_goal="10,000"] will display earnings for just form with an ID of 34.
 *
 *  [givetotal total_goal="9,000" message_before="Hey! We've raised " message_between=" of the " message_after=" we are trying to raise for this campaign!" link="http://example.com" link_text="Help Us Reach Our Goal." form_id="245"]
 *
 *  [givetotal total_goal= "5,000" multi_id="34,114,141"] will display earnings for the three forms with IDs 34, 114, and 141.
 *
 *  Note that "multi_id" will override "form_id", so don't use both.
 */
function my_give_display_earnings_shortcode($atts)
{
    $total = get_option('give_earnings_total', false);
    $atts = shortcode_atts(array('total_goal' => '10,000', 'link' => false, 'form_id' => false, 'multi_id' => '', 'message_before' => 'So far, we have raised ', 'message_between' => ' toward our goal of ', 'message_after' => '! ', 'link_text' => 'Donate Now'), $atts, 'givetotal');
    $donate_link = '';
    if ($atts['link'] != false) {
        $donate_link = ' <a href="' . $atts['link'] . '">' . $atts['link_text'] . '</a>';
    }
    if ($atts['form_id'] != false && is_numeric($atts['form_id'])) {
        $total = get_post_meta($atts['form_id'], '_give_form_earnings', true);
    }
    if ($atts['multi_id'] != false) {
        $total = 0;
        $new_array = preg_split("/,/", $atts['multi_id']);
        foreach ($new_array as $value) {
            $total += get_post_meta($value, '_give_form_earnings', true);
        }
    }
    $custom_nag = "<div class='my-custom-nag'>" . $atts['message_before'] . "<span class='my-give-currency'>" . give_currency_symbol(give_get_currency()) . "</span><span class='my-give-raised my-give-amount'>" . give_format_amount($total) . "</span>" . $atts['message_between'] . "<span class='my-give-currency'>" . give_currency_symbol(give_get_currency()) . "</span><span class='my-give-total my-give-amount'>" . $atts['total_goal'] . "</span>" . $atts['message_after'] . $donate_link . "</div>";
    return $custom_nag;
}

/**
 * Given a currency determine the symbol to use. If no currency given, site default is used.
 * If no symbol is determine, the currency string is returned.
 *
 * @since  1.0
 *
 * @param  string $currency The currency string
 *
 * @return string           The symbol to use for the currency
 */
function give_currency_symbol($currency = '')
{
    if (empty($currency)) {
        $currency = give_get_currency();
    }
    switch ($currency) {
        case "GBP":
            $symbol = '£';
            break;
        case "BRL":
            $symbol = 'R$';
            break;
        case "EUR":
            $symbol = '€';
            break;
        case "NOK":
            $symbol = 'Kr.';
            break;
        case "USD":
        case "AUD":
        case "CAD":
        case "HKD":
        case "MXN":
        case "SGD":
            $symbol = '$';
            break;
        case "JPY":
            $symbol = '¥';
            break;
        default:
            $symbol = $currency;
            break;
    }
    return apply_filters('give_currency_symbol', $symbol, $currency);
}

/**
 * Process PayPal Purchase
 *
 * @since 1.0
 *
 * @param array $purchase_data Purchase Data
 *
 * @return void
 */
function give_process_paypal_purchase($purchase_data)
{
    if (!wp_verify_nonce($purchase_data['gateway_nonce'], 'give-gateway')) {
        wp_die(__('Nonce verification has failed', 'give'), __('Error', 'give'), array('response' => 403));
    }
    // Collect payment data
    $payment_data = array('price' => $purchase_data['price'], 'give_form_title' => $purchase_data['post_data']['give-form-title'], 'give_form_id' => intval($purchase_data['post_data']['give-form-id']), 'date' => $purchase_data['date'], 'user_email' => $purchase_data['user_email'], 'purchase_key' => $purchase_data['purchase_key'], 'currency' => give_get_currency(), 'user_info' => $purchase_data['user_info'], 'status' => 'pending', 'gateway' => 'paypal');
    // Record the pending payment
    $payment = give_insert_payment($payment_data);
    // Check payment
    if (!$payment) {
        // Record the error
        give_record_gateway_error(__('Payment Error', 'give'), sprintf(__('Payment creation failed before sending buyer to PayPal. Payment data: %s', 'give'), json_encode($payment_data)), $payment);
        // Problems? send back
        give_send_back_to_checkout('?payment-mode=' . $purchase_data['post_data']['give-gateway']);
    } else {
        // Only send to PayPal if the pending payment is created successfully
        $listener_url = add_query_arg('give-listener', 'IPN', home_url('index.php'));
        // Get the success url
        $return_url = add_query_arg(array('payment-confirmation' => 'paypal', 'payment-id' => $payment), get_permalink(give_get_option('success_page')));
        // Get the PayPal redirect uri
        $paypal_redirect = trailingslashit(give_get_paypal_redirect()) . '?';
        //Item name - pass level name if variable priced
        $item_name = $purchase_data['post_data']['give-form-title'];
        if (give_has_variable_prices($purchase_data['post_data']['give-form-id']) && isset($purchase_data['post_data']['give-price-id'])) {
            $item_price_level_text = give_get_price_option_name($purchase_data['post_data']['give-form-id'], $purchase_data['post_data']['give-price-id']);
            //Is there any donation level text?
            if (!empty($item_price_level_text)) {
                $item_name .= ' - ' . $item_price_level_text;
            }
        }
        // Setup PayPal arguments
        $paypal_args = array('business' => give_get_option('paypal_email', false), 'email' => $purchase_data['user_email'], 'invoice' => $purchase_data['purchase_key'], 'amount' => $purchase_data['price'], 'item_name' => $item_name, 'no_shipping' => '1', 'shipping' => '0', 'no_note' => '1', 'currency_code' => give_get_currency(), 'charset' => get_bloginfo('charset'), 'custom' => $payment, 'rm' => '2', 'return' => $return_url, 'cancel_return' => give_get_failed_transaction_uri('?payment-id=' . $payment), 'notify_url' => $listener_url, 'page_style' => give_get_paypal_page_style(), 'cbt' => get_bloginfo('name'), 'bn' => 'WordImpress_Donate_Give_US');
        if (!empty($purchase_data['user_info']['address'])) {
            $paypal_args['address1'] = $purchase_data['user_info']['address']['line1'];
            $paypal_args['address2'] = $purchase_data['user_info']['address']['line2'];
            $paypal_args['city'] = $purchase_data['user_info']['address']['city'];
            $paypal_args['country'] = $purchase_data['user_info']['address']['country'];
        }
        if (give_get_option('paypal_button_type') === 'standard') {
            $paypal_extra_args = array('cmd' => '_xclick');
        } else {
            $paypal_extra_args = array('cmd' => '_donations');
        }
        $paypal_args = array_merge($paypal_extra_args, $paypal_args);
        $paypal_args = apply_filters('give_paypal_redirect_args', $paypal_args, $purchase_data);
        // Build query
        $paypal_redirect .= http_build_query($paypal_args);
        // Fix for some sites that encode the entities
        $paypal_redirect = str_replace('&', '&', $paypal_redirect);
        // Redirect to PayPal
        wp_redirect($paypal_redirect);
        exit;
    }
}

/**
 * Process the payment
 *
 * @since  1.0
 * @return void
 */
function give_offline_process_payment($purchase_data)
{
    $purchase_summary = give_get_purchase_summary($purchase_data);
    // setup the payment details
    $payment_data = array('price' => $purchase_data['price'], 'give_form_title' => $purchase_data['post_data']['give-form-title'], 'give_form_id' => intval($purchase_data['post_data']['give-form-id']), 'date' => $purchase_data['date'], 'user_email' => $purchase_data['user_email'], 'purchase_key' => $purchase_data['purchase_key'], 'currency' => give_get_currency(), 'user_info' => $purchase_data['user_info'], 'status' => 'pending', 'gateway' => 'offline');
    // record the pending payment
    $payment = give_insert_payment($payment_data);
    if ($payment) {
        give_offline_send_admin_notice($payment);
        give_offline_send_donor_instructions($payment);
        give_send_to_success_page();
    } else {
        // if errors are present, send the user back to the donation form so they can be corrected
        give_send_back_to_checkout('?payment-mode=' . $purchase_data['post_data']['give-gateway']);
    }
}

/**
 * Processes the purchase data and uses the Manual Payment gateway to record
 * the transaction in the Purchase History
 *
 * @since 1.0
 *
 * @param array $purchase_data Purchase Data
 *
 * @return void
 */
function give_manual_payment($purchase_data)
{
    if (!wp_verify_nonce($purchase_data['gateway_nonce'], 'give-gateway')) {
        wp_die(esc_html__('Nonce verification has failed', 'give'), esc_html__('Error', 'give'), array('response' => 403));
    }
    //Create payment_data array
    $payment_data = array('price' => $purchase_data['price'], 'give_form_title' => $purchase_data['post_data']['give-form-title'], 'give_form_id' => intval($purchase_data['post_data']['give-form-id']), 'give_price_id' => isset($purchase_data['post_data']['give-price-id']) ? $purchase_data['post_data']['give-price-id'] : '', 'date' => $purchase_data['date'], 'user_email' => $purchase_data['user_email'], 'purchase_key' => $purchase_data['purchase_key'], 'currency' => give_get_currency(), 'user_info' => $purchase_data['user_info'], 'status' => 'pending');
    // Record the pending payment
    $payment = give_insert_payment($payment_data);
    if ($payment) {
        give_update_payment_status($payment, 'publish');
        give_send_to_success_page();
    } else {
        give_record_gateway_error(esc_html__('Payment Error', 'give'), sprintf(esc_html__('The payment creation failed while processing a manual (free or test) donation. Payment data: %s', 'give'), json_encode($payment_data)), $payment);
        // If errors are present, send the user back to the purchase page so they can be corrected
        give_send_back_to_checkout('?payment-mode=' . $purchase_data['post_data']['give-gateway']);
    }
}

/**
 * Process PayPal Purchase.
 *
 * @since 1.0
 *
 * @param array $purchase_data Purchase Data
 *
 * @return void
 */
function give_process_paypal_purchase($purchase_data)
{
    if (!wp_verify_nonce($purchase_data['gateway_nonce'], 'give-gateway')) {
        wp_die(esc_html__('Nonce verification has failed.', 'give'), esc_html__('Error', 'give'), array('response' => 403));
    }
    $form_id = intval($purchase_data['post_data']['give-form-id']);
    $price_id = isset($purchase_data['post_data']['give-price-id']) ? $purchase_data['post_data']['give-price-id'] : '';
    // Collect payment data.
    $payment_data = array('price' => $purchase_data['price'], 'give_form_title' => $purchase_data['post_data']['give-form-title'], 'give_form_id' => $form_id, 'give_price_id' => $price_id, 'date' => $purchase_data['date'], 'user_email' => $purchase_data['user_email'], 'purchase_key' => $purchase_data['purchase_key'], 'currency' => give_get_currency(), 'user_info' => $purchase_data['user_info'], 'status' => 'pending', 'gateway' => 'paypal');
    // Record the pending payment.
    $payment_id = give_insert_payment($payment_data);
    // Check payment.
    if (!$payment_id) {
        // Record the error.
        give_record_gateway_error(esc_html__('Payment Error', 'give'), sprintf(esc_html__('Payment creation failed before sending donor to PayPal. Payment data: %s', 'give'), json_encode($payment_data)), $payment_id);
        // Problems? Send back.
        give_send_back_to_checkout('?payment-mode=' . $purchase_data['post_data']['give-gateway']);
    } else {
        // Only send to PayPal if the pending payment is created successfully.
        $listener_url = add_query_arg('give-listener', 'IPN', home_url('index.php'));
        // Get the success url.
        $return_url = add_query_arg(array('payment-confirmation' => 'paypal', 'payment-id' => $payment_id), get_permalink(give_get_option('success_page')));
        // Get the PayPal redirect uri.
        $paypal_redirect = trailingslashit(give_get_paypal_redirect()) . '?';
        //Item name - pass level name if variable priced.
        $item_name = $purchase_data['post_data']['give-form-title'];
        //Verify has variable prices.
        if (give_has_variable_prices($form_id) && isset($purchase_data['post_data']['give-price-id'])) {
            $item_price_level_text = give_get_price_option_name($form_id, $purchase_data['post_data']['give-price-id']);
            $price_level_amount = give_get_price_option_amount($form_id, $purchase_data['post_data']['give-price-id']);
            //Donation given doesn't match selected level (must be a custom amount).
            if ($price_level_amount != give_sanitize_amount($purchase_data['price'])) {
                $custom_amount_text = get_post_meta($form_id, '_give_custom_amount_text', true);
                //user custom amount text if any, fallback to default if not.
                $item_name .= ' - ' . (!empty($custom_amount_text) ? $custom_amount_text : esc_html__('Custom Amount', 'give'));
            } elseif (!empty($item_price_level_text)) {
                $item_name .= ' - ' . $item_price_level_text;
            }
        } elseif (give_get_form_price($form_id) !== give_sanitize_amount($purchase_data['price'])) {
            $custom_amount_text = get_post_meta($form_id, '_give_custom_amount_text', true);
            //user custom amount text if any, fallback to default if not.
            $item_name .= ' - ' . (!empty($custom_amount_text) ? $custom_amount_text : esc_html__('Custom Amount', 'give'));
        }
        // Setup PayPal API params.
        $paypal_args = array('business' => give_get_option('paypal_email', false), 'first_name' => $purchase_data['user_info']['first_name'], 'last_name' => $purchase_data['user_info']['last_name'], 'email' => $purchase_data['user_email'], 'invoice' => $purchase_data['purchase_key'], 'amount' => $purchase_data['price'], 'item_name' => stripslashes($item_name), 'no_shipping' => '1', 'shipping' => '0', 'no_note' => '1', 'currency_code' => give_get_currency(), 'charset' => get_bloginfo('charset'), 'custom' => $payment_id, 'rm' => '2', 'return' => $return_url, 'cancel_return' => give_get_failed_transaction_uri('?payment-id=' . $payment_id), 'notify_url' => $listener_url, 'page_style' => give_get_paypal_page_style(), 'cbt' => get_bloginfo('name'), 'bn' => 'givewp_SP');
        //Add user address if present.
        if (!empty($purchase_data['user_info']['address'])) {
            $paypal_args['address1'] = isset($purchase_data['user_info']['address']['line1']) ? $purchase_data['user_info']['address']['line1'] : '';
            $paypal_args['address2'] = isset($purchase_data['user_info']['address']['line2']) ? $purchase_data['user_info']['address']['line2'] : '';
            $paypal_args['city'] = isset($purchase_data['user_info']['address']['city']) ? $purchase_data['user_info']['address']['city'] : '';
            $paypal_args['state'] = isset($purchase_data['user_info']['address']['state']) ? $purchase_data['user_info']['address']['state'] : '';
            $paypal_args['country'] = isset($purchase_data['user_info']['address']['country']) ? $purchase_data['user_info']['address']['country'] : '';
        }
        //Donations or regular transactions?
        if (give_get_option('paypal_button_type') === 'standard') {
            $paypal_extra_args = array('cmd' => '_xclick');
        } else {
            $paypal_extra_args = array('cmd' => '_donations');
        }
        $paypal_args = array_merge($paypal_extra_args, $paypal_args);
        $paypal_args = apply_filters('give_paypal_redirect_args', $paypal_args, $purchase_data);
        // Build query.
        $paypal_redirect .= http_build_query($paypal_args);
        // Fix for some sites that encode the entities.
        $paypal_redirect = str_replace('&', '&', $paypal_redirect);
        // Redirect to PayPal.
        wp_redirect($paypal_redirect);
        exit;
    }
}

/**
 * Get system info
 *
 * @since       1.0
 * @access      public
 * @global      object $wpdb         Used to query the database using the WordPress Database API
 * @global      array  $give_options Array of all Give options
 * @return      string $return A string containing the info to output
 */
function give_tools_sysinfo_get()
{
    global $wpdb, $give_options;
    if (!class_exists('Browser')) {
        require_once GIVE_PLUGIN_DIR . 'includes/libraries/browser.php';
    }
    $browser = new Browser();
    // Get theme info
    if (get_bloginfo('version') < '3.4') {
        $theme_data = get_theme_data(get_stylesheet_directory() . '/style.css');
        $theme = $theme_data['Name'] . ' ' . $theme_data['Version'];
    } else {
        $theme_data = wp_get_theme();
        $theme = $theme_data->Name . ' ' . $theme_data->Version;
    }
    // Try to identify the hosting provider
    $host = give_get_host();
    $return = '### Begin System Info ###' . "\n\n";
    // Start with the basics...
    $return .= '-- Site Info' . "\n\n";
    $return .= 'Site URL:                 ' . site_url() . "\n";
    $return .= 'Home URL:                 ' . home_url() . "\n";
    $return .= 'Multisite:                ' . (is_multisite() ? 'Yes' : 'No') . "\n";
    $return = apply_filters('give_sysinfo_after_site_info', $return);
    // Can we determine the site's host?
    if ($host) {
        $return .= "\n" . '-- Hosting Provider' . "\n\n";
        $return .= 'Host:                     ' . $host . "\n";
        $return = apply_filters('give_sysinfo_after_host_info', $return);
    }
    // The local users' browser information, handled by the Browser class
    $return .= "\n" . '-- User Browser' . "\n\n";
    $return .= $browser;
    $return = apply_filters('give_sysinfo_after_user_browser', $return);
    // WordPress configuration
    $return .= "\n" . '-- WordPress Configuration' . "\n\n";
    $return .= 'Version:                  ' . get_bloginfo('version') . "\n";
    $return .= 'Language:                 ' . (defined('WPLANG') && WPLANG ? WPLANG : 'en_US') . "\n";
    $return .= 'Permalink Structure:      ' . (get_option('permalink_structure') ? get_option('permalink_structure') : 'Default') . "\n";
    $return .= 'Active Theme:             ' . $theme . "\n";
    $return .= 'Show On Front:            ' . get_option('show_on_front') . "\n";
    // Only show page specs if frontpage is set to 'page'
    if (get_option('show_on_front') == 'page') {
        $front_page_id = get_option('page_on_front');
        $blog_page_id = get_option('page_for_posts');
        $return .= 'Page On Front:            ' . ($front_page_id != 0 ? get_the_title($front_page_id) . ' (#' . $front_page_id . ')' : 'Unset') . "\n";
        $return .= 'Page For Posts:           ' . ($blog_page_id != 0 ? get_the_title($blog_page_id) . ' (#' . $blog_page_id . ')' : 'Unset') . "\n";
    }
    // Make sure wp_remote_post() is working
    $request['cmd'] = '_notify-validate';
    $params = array('sslverify' => false, 'timeout' => 60, 'user-agent' => 'Give/' . GIVE_VERSION, 'body' => $request);
    $response = wp_remote_post('https://www.paypal.com/cgi-bin/webscr', $params);
    if (!is_wp_error($response) && $response['response']['code'] >= 200 && $response['response']['code'] < 300) {
        $WP_REMOTE_POST = 'wp_remote_post() works';
    } else {
        $WP_REMOTE_POST = 'wp_remote_post() does not work';
    }
    $return .= 'Remote Post:              ' . $WP_REMOTE_POST . "\n";
    $return .= 'Table Prefix:             ' . 'Length: ' . strlen($wpdb->prefix) . '   Status: ' . (strlen($wpdb->prefix) > 16 ? 'ERROR: Too long' : 'Acceptable') . "\n";
    $return .= 'Admin AJAX:               ' . (give_test_ajax_works() ? 'Accessible' : 'Inaccessible') . "\n";
    $return .= 'WP_DEBUG:                 ' . (defined('WP_DEBUG') ? WP_DEBUG ? 'Enabled' : 'Disabled' : 'Not set') . "\n";
    $return .= 'Memory Limit:             ' . WP_MEMORY_LIMIT . "\n";
    $return .= 'Registered Post Stati:    ' . implode(', ', get_post_stati()) . "\n";
    $return = apply_filters('give_sysinfo_after_wordpress_config', $return);
    // GIVE configuration
    $return .= "\n" . '-- Give Configuration' . "\n\n";
    $return .= 'Version:                  ' . GIVE_VERSION . "\n";
    $return .= 'Upgraded From:            ' . get_option('give_version_upgraded_from', 'None') . "\n";
    $return .= 'Test Mode:                ' . (give_is_test_mode() ? "Enabled\n" : "Disabled\n");
    $return .= 'Currency Code:            ' . give_get_currency() . "\n";
    $return .= 'Currency Position:        ' . give_get_option('currency_position', 'before') . "\n";
    $return .= 'Decimal Separator:        ' . give_get_option('decimal_separator', '.') . "\n";
    $return .= 'Thousands Separator:      ' . give_get_option('thousands_separator', ',') . "\n";
    $return = apply_filters('give_sysinfo_after_give_config', $return);
    // GIVE pages
    $return .= "\n" . '-- Give Page Configuration' . "\n\n";
    $return .= 'Success Page:             ' . (!empty($give_options['success_page']) ? get_permalink($give_options['success_page']) . "\n" : "Unset\n");
    $return .= 'Failure Page:             ' . (!empty($give_options['failure_page']) ? get_permalink($give_options['failure_page']) . "\n" : "Unset\n");
    $return .= 'Give Forms Slug:           ' . (defined('GIVE_SLUG') ? '/' . GIVE_SLUG . "\n" : "/donations\n");
    $return = apply_filters('give_sysinfo_after_give_pages', $return);
    // GIVE gateways
    $return .= "\n" . '-- Give Gateway Configuration' . "\n\n";
    $active_gateways = give_get_enabled_payment_gateways();
    if ($active_gateways) {
        $default_gateway_is_active = give_is_gateway_active(give_get_default_gateway(null));
        if ($default_gateway_is_active) {
            $default_gateway = give_get_default_gateway(null);
            $default_gateway = $active_gateways[$default_gateway]['admin_label'];
        } else {
            $default_gateway = 'Test Payment';
        }
//.........这里部分代码省略.........

/**
 * Insert Payment
 *
 * @since  1.0
 *
 * @param  array $payment_data Arguments passed
 *
 * @return int|bool Payment ID if payment is inserted, false otherwise
 */
function give_insert_payment($payment_data = array())
{
    if (empty($payment_data)) {
        return false;
    }
    $payment = new Give_Payment();
    $gateway = !empty($payment_data['gateway']) ? $payment_data['gateway'] : '';
    $gateway = empty($gateway) && isset($_POST['give-gateway']) ? $_POST['give-gateway'] : $gateway;
    $form_id = isset($payment_data['give_form_id']) ? $payment_data['give_form_id'] : 0;
    $price_id = isset($payment_data['give_price_id']) ? $payment_data['give_price_id'] : give_get_price_id($payment_data['give_form_id'], $payment_data['price']);
    $form_title = isset($payment_data['give_form_title']) ? $payment_data['give_form_title'] : get_the_title($form_id);
    //Set properties
    $payment->total = $payment_data['price'];
    $payment->status = !empty($payment_data['status']) ? $payment_data['status'] : 'pending';
    $payment->currency = !empty($payment_data['currency']) ? $payment_data['currency'] : give_get_currency();
    $payment->user_info = $payment_data['user_info'];
    $payment->gateway = $gateway;
    $payment->form_title = $form_title;
    $payment->form_id = $form_id;
    $payment->price_id = $price_id;
    $payment->user_id = $payment_data['user_info']['id'];
    $payment->email = $payment_data['user_email'];
    $payment->first_name = $payment_data['user_info']['first_name'];
    $payment->last_name = $payment_data['user_info']['last_name'];
    $payment->email = $payment_data['user_info']['email'];
    $payment->ip = give_get_ip();
    $payment->key = $payment_data['purchase_key'];
    $payment->mode = give_is_test_mode() ? 'test' : 'live';
    $payment->parent_payment = !empty($payment_data['parent']) ? absint($payment_data['parent']) : '';
    //Add the donation
    $args = array('price' => $payment->total, 'price_id' => $payment->price_id, 'fees' => isset($payment_data['fees']) ? $payment_data['fees'] : array());
    $payment->add_donation($payment->form_id, $args);
    //Set date if present
    if (isset($payment_data['post_date'])) {
        $payment->date = $payment_data['post_date'];
    }
    //Handle sequential payments
    if (give_get_option('enable_sequential')) {
        $number = give_get_next_payment_number();
        $payment->number = give_format_payment_number($number);
        update_option('give_last_payment_number', $number);
    }
    // Clear the user's purchased cache
    delete_transient('give_user_' . $payment_data['user_info']['id'] . '_purchases');
    //Save payment
    $payment->save();
    //Hook it
    do_action('give_insert_payment', $payment->ID, $payment_data);
    //Return payment ID upon success
    if (!empty($payment->ID)) {
        return $payment->ID;
    }
    // Return false if no payment was inserted
    return false;
}

 /**
  * Process purchase.
  *
  * @since 1.0.0
  *
  * @param array $purchase_data Purchase Data
  *
  * @return void
  */
 function process_purchase($purchase_data)
 {
     if (!wp_verify_nonce($purchase_data['gateway_nonce'], 'give-gateway')) {
         wp_die(__('Nonce verification has failed', 'pronamic_ideal'), __('Error', 'pronamic_ideal'), array('response' => 403));
     }
     $form_id = intval($purchase_data['post_data']['give-form-id']);
     // Collect payment data
     $payment_data = array('price' => $purchase_data['price'], 'give_form_title' => $purchase_data['post_data']['give-form-title'], 'give_form_id' => $form_id, 'date' => $purchase_data['date'], 'user_email' => $purchase_data['user_email'], 'purchase_key' => $purchase_data['purchase_key'], 'currency' => give_get_currency(), 'user_info' => $purchase_data['user_info'], 'status' => 'pending', 'gateway' => $this->id);
     // Record the pending payment
     $donation_id = give_insert_payment($payment_data);
     if (!$donation_id) {
         // Record the error
         // /wp-admin/edit.php?post_type=give_forms&page=give-reports&tab=logs&view=gateway_errors
         // @see https://github.com/WordImpress/Give/blob/1.3.6/includes/gateways/functions.php#L267-L285
         give_record_gateway_error(__('Payment Error', 'pronamic_ideal'), sprintf(__('Payment creation failed before sending buyer to payment provider. Payment data: %s', 'pronamic_ideal'), json_encode($payment_data)), $donation_id);
         // Problems? send back
         // @see https://github.com/WordImpress/Give/blob/1.3.6/includes/forms/functions.php#L150-L184
         give_send_back_to_checkout(array('payment-error' => true, 'payment-mode' => $purchase_data['post_data']['give-gateway']));
     } else {
         $config_id = give_get_option(sprintf('give_%s_configuration', $this->id));
         $gateway = Pronamic_WP_Pay_Plugin::get_gateway($config_id);
         if ($gateway) {
             // Data
             $data = new Pronamic_WP_Pay_Extensions_Give_PaymentData($donation_id, $this);
             $gateway->set_payment_method($this->payment_method);
             $payment = Pronamic_WP_Pay_Plugin::start($config_id, $gateway, $data, $this->payment_method);
             $error = $gateway->get_error();
             if (is_wp_error($error)) {
                 // Record the error
                 // /wp-admin/edit.php?post_type=give_forms&page=give-reports&tab=logs&view=gateway_errors
                 // @see https://github.com/WordImpress/Give/blob/1.3.6/includes/gateways/functions.php#L267-L285
                 give_record_gateway_error(__('Payment Error', 'pronamic_ideal'), implode('<br />', $error->get_error_messages()), $donation_id);
                 // Problems? send back
                 // @see https://github.com/WordImpress/Give/blob/1.3.6/includes/forms/functions.php#L150-L184
                 give_send_back_to_checkout(array('payment-error' => true, 'payment-mode' => $purchase_data['post_data']['give-gateway']));
             } else {
                 // Redirect
                 $gateway->redirect($payment);
             }
         }
     }
 }

/**
 * Get the currency code a payment was made in
 *
 * @since 1.0
 *
 * @param int $payment_id Payment ID
 *
 * @return string $currency The currency code
 */
function give_get_payment_currency_code($payment_id = 0)
{
    $meta = give_get_payment_meta($payment_id);
    $currency = isset($meta['currency']) ? $meta['currency'] : give_get_currency();
    return apply_filters('give_payment_currency_code', $currency, $payment_id);
}

/**
 * Set the number of decimal places per currency
 *
 * @since 1.0
 *
 * @param int $decimals Number of decimal places
 *
 * @return int $decimals
 */
function give_currency_decimal_filter($decimals = 2)
{
    $currency = give_get_currency();
    switch ($currency) {
        case 'RIAL':
        case 'JPY':
        case 'TWD':
        case 'HUF':
            $decimals = 0;
            break;
    }
    return apply_filters('give_currency_decimal_count', $decimals, $currency);
}

/**
 * Donation Amount Field
 *
 * Outputs the donation amount field that appears at the top of the donation forms. If the user has custom amount enabled the field will output as a customizable input
 *
 * @since  1.0
 *
 * @param  int   $form_id Give Form ID
 * @param  array $args
 *
 * @return void
 */
function give_output_donation_amount_top($form_id = 0, $args = array())
{
    global $give_options;
    $variable_pricing = give_has_variable_prices($form_id);
    $allow_custom_amount = get_post_meta($form_id, '_give_custom_amount', true);
    $currency_position = isset($give_options['currency_position']) ? $give_options['currency_position'] : 'before';
    $symbol = give_currency_symbol(give_get_currency());
    $currency_output = '<span class="give-currency-symbol give-currency-position-' . $currency_position . '">' . $symbol . '</span>';
    $default_amount = give_format_amount(give_get_default_form_amount($form_id));
    $custom_amount_text = get_post_meta($form_id, '_give_custom_amount_text', true);
    do_action('give_before_donation_levels', $form_id, $args);
    //Set Price, No Custom Amount Allowed means hidden price field
    if ($allow_custom_amount == 'no') {
        ?>

		<label class="give-hidden" for="give-amount-hidden"><?php 
        echo esc_html__('Donation Amount:', 'give');
        ?>
</label>
		<input id="give-amount" class="give-amount-hidden" type="hidden" name="give-amount"
		       value="<?php 
        echo $default_amount;
        ?>
" required>
		<div class="set-price give-donation-amount form-row-wide">
			<?php 
        if ($currency_position == 'before') {
            echo $currency_output;
        }
        ?>
			<span id="give-amount-text" class="give-text-input give-amount-top"><?php 
        echo $default_amount;
        ?>
</span>
			<?php 
        if ($currency_position == 'after') {
            echo $currency_output;
        }
        ?>
		</div>
		<?php 
    } else {
        //Custom Amount Allowed
        ?>
		<div class="give-total-wrap">
			<div class="give-donation-amount form-row-wide">
				<?php 
        if ($currency_position == 'before') {
            echo $currency_output;
        }
        ?>
				<label class="give-hidden" for="give-amount"><?php 
        echo esc_html__('Donation Amount:', 'give');
        ?>
</label>
				<input class="give-text-input give-amount-top" id="give-amount" name="give-amount" type="tel" placeholder="" value="<?php 
        echo $default_amount;
        ?>
" autocomplete="off">
				<?php 
        if ($currency_position == 'after') {
            echo $currency_output;
        }
        ?>
			</div>
		</div>
	<?php 
    }
    do_action('give_after_donation_amount', $form_id, $args);
    //Custom Amount Text
    if (!$variable_pricing && $allow_custom_amount == 'yes' && !empty($custom_amount_text)) {
        ?>
		<p class="give-custom-amount-text"><?php 
        echo $custom_amount_text;
        ?>
</p>
	<?php 
    }
    //Output Variable Pricing Levels
    if ($variable_pricing) {
        give_output_levels($form_id);
    }
    do_action('give_after_donation_levels', $form_id, $args);
}

 /**
  * Authorize.net Payments
  *
  * @param $purchase_data
  */
 public function give_process_authorize_net_payment($purchase_data)
 {
     if (!isset($_POST['card_number']) || $_POST['card_number'] == '') {
         give_set_error('empty_card', __('You must enter a card number', 'give'));
     }
     if (!isset($_POST['card_name']) || $_POST['card_name'] == '') {
         give_set_error('empty_card_name', __('You must enter the name on your card', 'give'));
     }
     if (!isset($_POST['card_exp_month']) || $_POST['card_exp_month'] == '') {
         give_set_error('empty_month', __('You must enter an expiration month', 'give'));
     }
     if (!isset($_POST['card_exp_year']) || $_POST['card_exp_year'] == '') {
         give_set_error('empty_year', __('You must enter an expiration year', 'give'));
     }
     if (!isset($_POST['card_cvc']) || $_POST['card_cvc'] == '' || strlen($_POST['card_cvc']) < 3) {
         give_set_error('empty_cvc', __('You must enter a valid CVC', 'give'));
     }
     $errors = give_get_errors();
     //No errors: Continue with payment processing
     if (!$errors) {
         //Include Authorize SDK
         require_once GIVE_AUTHORIZE_PLUGIN_DIR . '/includes/anet_php_sdk/AuthorizeNet.php';
         if (!give_is_test_mode()) {
             //LIVE:
             $authorize_api_login = give_get_option('give_api_login');
             $authorize_trans_key = give_get_option('give_transaction_key');
         } else {
             //SANDBOX
             $authorize_api_login = give_get_option('give_authorize_sandbox_api_login');
             $authorize_trans_key = give_get_option('give_authorize_sandbox_transaction_key');
         }
         //Check for credentials entered
         if (empty($authorize_api_login) || empty($authorize_trans_key)) {
             give_set_error('error_id_here', __('Error: Missing API Login or Transaction key. Please enter them in the plugin settings.', 'give-authorize'));
             return;
         }
         //Proceed with Authorize AIM
         $transaction = new AuthorizeNetAIM($authorize_api_login, $authorize_trans_key);
         $transaction->VERIFY_PEER = false;
         //Sandbox or not?
         if (give_is_test_mode()) {
             $transaction->setSandbox(true);
         } else {
             $transaction->setSandbox(false);
         }
         $card_info = $purchase_data['card_info'];
         $card_names = explode(' ', $card_info['card_name']);
         $first_name = isset($card_names[0]) ? $card_names[0] : $purchase_data['user_info']['first_name'];
         if (!empty($card_names[1])) {
             unset($card_names[0]);
             $last_name = implode(' ', $card_names);
         } else {
             $last_name = $purchase_data['user_info']['last_name'];
         }
         $transaction->amount = $purchase_data['price'];
         $transaction->card_num = strip_tags(trim($card_info['card_number']));
         $transaction->card_code = strip_tags(trim($card_info['card_cvc']));
         $transaction->exp_date = strip_tags(trim($card_info['card_exp_month'])) . '/' . strip_tags(trim($card_info['card_exp_year']));
         $transaction->description = give_get_purchase_summary($purchase_data);
         $transaction->first_name = $first_name;
         $transaction->last_name = $last_name;
         $transaction->address = $card_info['card_address'] . ' ' . $card_info['card_address_2'];
         $transaction->city = $card_info['card_city'];
         $transaction->country = $card_info['card_country'];
         $transaction->state = $card_info['card_state'];
         $transaction->zip = $card_info['card_zip'];
         $transaction->customer_ip = give_get_ip();
         $transaction->email = $purchase_data['user_email'];
         $transaction->invoice_num = $purchase_data['purchase_key'];
         try {
             $response = $transaction->authorizeAndCapture();
             if ($response->approved) {
                 $payment_data = array('price' => $purchase_data['price'], 'give_form_title' => $purchase_data['post_data']['give-form-title'], 'give_form_id' => intval($purchase_data['post_data']['give-form-id']), 'price_id' => isset($purchase_data['post_data']['give-price-id']) ? intval($purchase_data['post_data']['give-price-id']) : '', 'date' => $purchase_data['date'], 'user_email' => $purchase_data['user_email'], 'purchase_key' => $purchase_data['purchase_key'], 'currency' => give_get_currency(), 'user_info' => $purchase_data['user_info'], 'status' => 'pending', 'gateway' => 'authorizenet');
                 $payment = give_insert_payment($payment_data);
                 if ($payment) {
                     give_update_payment_status($payment, 'publish');
                     give_send_to_success_page();
                 } else {
                     give_set_error('authorize_error', __('Error: your payment could not be recorded. Please try again', 'give'));
                     give_send_back_to_checkout('?payment-mode=' . $purchase_data['post_data']['give-gateway']);
                 }
             } else {
                 if (isset($response->response_reason_text)) {
                     $error = $response->response_reason_text;
                 } elseif (isset($response->error_message)) {
                     $error = $response->error_message;
                 } else {
                     $error = '';
                 }
                 if (strpos(strtolower($error), 'the credit card number is invalid') !== false) {
                     give_set_error('invalid_card', __('Your card number is invalid', 'give'));
                 } elseif (strpos(strtolower($error), 'this transaction has been declined') !== false) {
                     give_set_error('invalid_card', __('Your card has been declined', 'give'));
                 } elseif (isset($response->response_reason_text)) {
                     give_set_error('api_error', $response->response_reason_text);
//.........这里部分代码省略.........

 /**
  * Setup the currency code
  *
  * @since  1.5
  * @access private
  *
  * @return string The currency for the payment
  */
 private function setup_currency()
 {
     $currency = isset($this->payment_meta['currency']) ? $this->payment_meta['currency'] : apply_filters('give_payment_currency_default', give_get_currency(), $this);
     return $currency;
 }

/**
 * Give Currency Symbol
 *
 * @description: Given a currency determine the symbol to use. If no currency given, site default is used. If no symbol is determine, the currency string is returned.
 *
 * @since      1.0
 *
 * @param  string $currency The currency string
 *
 * @return string           The symbol to use for the currency
 */
function give_currency_symbol($currency = '')
{
    if (empty($currency)) {
        $currency = give_get_currency();
    }
    switch ($currency) {
        case 'GBP':
            $symbol = '£';
            break;
        case 'BRL':
            $symbol = 'R$';
            break;
        case 'EUR':
            $symbol = '€';
            break;
        case 'NOK':
            $symbol = 'Kr.';
            break;
        case 'INR':
            $symbol = '₹';
            break;
        case 'USD':
        case 'AUD':
        case 'CAD':
        case 'HKD':
        case 'MXN':
        case 'SGD':
            $symbol = '$';
            break;
        case 'JPY':
            $symbol = '¥';
            break;
        case 'THB':
            $symbol = '฿';
            break;
        case 'TRY':
            $symbol = '₺';
            break;
        case 'TWD':
            $symbol = 'NT$';
            break;
        case 'ILS':
            $symbol = '₪';
            break;
        case 'RIAL':
            $symbol = '﷼';
            break;
        case 'RUB':
            $symbol = 'руб';
            break;
        case 'DKK':
        case 'SEK':
            $symbol = 'kr';
            break;
        case 'PLN':
            $symbol = 'zł';
            break;
        case 'PHP':
            $symbol = '₱';
            break;
        case 'MYR':
            $symbol = 'RM';
            break;
        case 'HUF':
            $symbol = 'Ft';
            break;
        case 'CZK':
            $symbol = 'Kč';
            break;
        default:
            $symbol = $currency;
            break;
    }
    return apply_filters('give_currency_symbol', $symbol, $currency);
}