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<?php
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/**
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* @file
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* Add a new Price formatter that allow more options on how
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* to display prices.
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*/
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/**
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* Implements hook_theme().
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*/
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function commerce_price_flexyformatter_theme() {
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return array(
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'commerce_price_flexyformatter_selected_amount' => array(
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'variables' => array(),
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),
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);
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}
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/**
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* Implements hook_field_formatter_info().
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*/
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function commerce_price_flexyformatter_field_formatter_info() {
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return array(
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'commerce_price_flexyformatter_selected_amount' => array(
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'label' => t('Formatted amount with selected components'),
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'field types' => array('commerce_price'),
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'settings' => array(
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'selection' => array('base_price' => 'base_price'),
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'reference' => array(),
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// need this to load all price components, hoping will not be changed
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'calculation' => 'calculated_sell_price',
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),
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),
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);
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}
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/**
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* Implements hook_field_formatter_settings_form().
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*/
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function commerce_price_flexyformatter_field_formatter_settings_form($field, $instance, $view_mode, $form, &$form_state) {
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$settings = $instance['display'][$view_mode]['settings'];
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$element = array();
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$defaults = array();
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$reference_defaults = array();
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// Get all the price component types
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$options = commerce_price_component_titles();
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foreach ($settings['selection'] as $key => $value) {
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if ($value != '0') { $defaults[] = $key; }
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}
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foreach ($settings['reference']['selection'] as $key => $value) {
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if ($value != '0') { $reference_defaults[] = $key; }
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}
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$element['selection'] = array(
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'#type' => 'checkboxes',
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'#options' => $options,
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'#default_value' => $defaults,
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);
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$element['reference'] = array (
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'#type' => 'fieldset',
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'#title' => t('Reference amount'),
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'#collapsible' => TRUE,
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'#collapsed' => ($settings['reference']['enabled']? FALSE : TRUE),
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);
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$element['reference']['enabled'] = array(
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'#title' => t('Enable'),
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'#type' => 'checkbox',
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'#default_value' => $settings['reference']['enabled'],
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);
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$element['reference']['selection'] = array(
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'#type' => 'checkboxes',
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'#options' => $options,
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'#default_value' => $reference_defaults,
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);
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return $element;
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}
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/**
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* Implements hook_field_formatter_settings_summary().
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*/
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function commerce_price_flexyformatter_field_formatter_settings_summary($field, $instance, $view_mode) {
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$display = $instance['display'][$view_mode];
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$settings = $display['settings'];
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$summary = array();
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$types = commerce_price_component_titles();
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$components['list'] = '';
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$components['count'] = 0;
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foreach($settings['selection'] as $key => $value) {
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if ($value != '0') {
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$components['count']++;
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if ($components['count'] > 1) {$components['list'] .= ', ';}
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$components['list'] .= $types[$key];
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}
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}
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if ($components['count'] == 0) {
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$summary[] = t('No components selected');
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}
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else {
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$summary[] = format_plural($components['count'], 'Selected component is !list.', 'Selected components are !list.', array('!list' => $components['list']));
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if ($settings['reference']['enabled']) {
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$reference['list'] = '';
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$reference['count'] = 0;
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foreach($settings['reference']['selection'] as $key => $value) {
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if ($value != '0') {
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$reference['count']++;
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if ($reference['count'] > 1) {$reference['list'] .= ', ';}
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$reference['list'] .= $types[$key];
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}
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}
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$summary[] = t('Reference amount enabled with !list.', array('!list' => $reference['list']));
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}
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else {
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$summary[] = t('Reference amount not enabled.');
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}
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}
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return implode('<br />', $summary);
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}
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/**
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* Implements hook_field_formatter_prepare_view().
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*/
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function commerce_price_flexyformatter_field_formatter_prepare_view($entity_type, $entities, $field, $instances, $langcode, &$items, $displays) {
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// why I need to repeat all that ???
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// Allow other modules to prepare the item values prior to formatting.
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foreach(module_implements('commerce_price_field_formatter_prepare_view') as $module) {
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$function = $module . '_commerce_price_field_formatter_prepare_view';
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$function($entity_type, $entities, $field, $instances, $langcode, $items, $displays);
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}
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}
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/**
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* Implements hook_field_formatter_view().
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*/
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function commerce_price_flexyformatter_field_formatter_view($entity_type, $entity, $field, $instance, $langcode, $items, $display) {
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$element = array();
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// Loop through each price value in this field.
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foreach ($items as $delta => $item) {
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// Do not render a price if the amount is NULL (i.e. non-zero empty value).
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if (is_null($item['amount'])) {
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// TODO: Consider if we should render as N/A or something indicating a
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// price was not available as opposed to just leaving a blank.
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continue;
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}
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// Theme the display of the price based on the display type.
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switch ($display['type']) {
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case 'commerce_price_flexyformatter_selected_amount':
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// Build an array of component display titles and their prices.
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$components = array();
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$amount = $reference_amount = 0;
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$difference = $reference_difference = 0;
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foreach ($item['data']['components'] as $key => $component) {
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if ($display['settings']['selection'][$component['name']] != '0') {
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$amount += $component['price']['amount'];
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if (isset($component['price']['data']['tax_rate'])) {
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$amount -= $component['price']['data']['tax_rate']['rate'] * $difference;
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}
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}
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else {
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$difference += $component['price']['amount'];
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}
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}
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// Check if reference amount is ebabled
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if ($display['settings']['reference']['enabled']) {
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$components = array();
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// reset($item['data']['components']);
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foreach ($item['data']['components'] as $key => $component) {
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if ($display['settings']['reference']['selection'][$component['name']] != '0') {
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$reference_amount += $component['price']['amount'];
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if (isset($component['price']['data']['tax_rate'])) {
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$reference_amount -= $component['price']['data']['tax_rate']['rate'] * $reference_difference;
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}
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}
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else {
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$reference_difference += $component['price']['amount'];
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}
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}
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}
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$element[$delta] = array(
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'#markup' => theme('commerce_price_flexyformatter_selected_amount',
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array('amount' => $amount,
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'reference_enabled' => $display['settings']['reference']['enabled'],
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'reference_amount' => $reference_amount,
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'currency_code' => $item['currency_code'],
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)
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),
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);
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break;
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}
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}
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return $element;
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}
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/**
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* Themes flexyformatted price.
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*
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* @param $variables
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*/
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function theme_commerce_price_flexyformatter_selected_amount($variables) {
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if ($variables['reference_enabled'] && ($variables['amount'] != $variables['reference_amount'])) {
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// Add the CSS styling.
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drupal_add_css(drupal_get_path('module', 'commerce_price_flexyformatter') . '/commerce_price_flexyformatter.css');
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$output = '<span class="flexy-reference">' . commerce_currency_format($variables['reference_amount'], $variables['currency_code']) . '</span> ';
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$output .= '<span class="flexy-amount has-reference">' . commerce_currency_format($variables['amount'], $variables['currency_code']) . '</span>';
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}
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else {
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$output = '<span class="flexy-amount has-no-reference">' . commerce_currency_format($variables['amount'], $variables['currency_code']) . '</span>';
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}
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return $output;
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}
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