我需要从购物车总数中排除的GF产品附加组件选项。
我卖的产品是100美元。我需要购物车总额只需100美元+税。我不希望选项总数包含在其中。可以在购物车项目说明中显示它。这些选项的总数是每月重复出现并由客户离线支付，因此我不需要他们预先支付。
插件的源代码：WooCommerce - Gravity Forms Product Add-Ons
以下代码来自插件中的“gravityforms-product-addons-cart.php”。我不知道从哪里开始我需要做的事情。
class WC_GFPA_Cart {
private static $instance;
public static function register() {
if ( self::$instance == null ) {
self::$instance = new WC_GFPA_Cart;
}
}
private function __construct() {
// Filters for cart actions
add_filter( 'woocommerce_add_cart_item_data', array( $this, 'add_cart_item_data' ), 10, 2 );
add_filter( 'woocommerce_get_cart_item_from_session', array( $this, 'get_cart_item_from_session' ), 10, 2 );
add_filter( 'woocommerce_get_item_data', array( $this, 'get_item_data' ), 10, 2 );
add_filter( 'woocommerce_add_cart_item', array( $this, 'add_cart_item' ), 10, 1 );
add_action( 'woocommerce_checkout_create_order_line_item', array( $this, 'order_item_meta' ), 10, 3 );
add_filter( 'woocommerce_add_to_cart_validation', array( $this, 'add_to_cart_validation' ), 99, 3 );
//Order Again
add_filter( 'woocommerce_order_again_cart_item_data', array(
$this,
'on_get_order_again_cart_item_data'
), 10, 3 );
}
//Helper function, used when an item is added to the cart as well as when an item is restored from session.
public function add_cart_item( $cart_item ) {
global $woocommerce;
// Adjust price if required based on the gravity form data
if ( isset( $cart_item['_gravity_form_lead'] ) && isset( $cart_item['_gravity_form_data'] ) ) {
//Gravity forms generates errors and warnings. To prevent these from conflicting with other things, we are going to disable warnings and errors.
$err_level = error_reporting();
error_reporting( 0 );
$gravity_form_data = $cart_item['_gravity_form_data'];
$form_meta = RGFormsModel::get_form_meta( $gravity_form_data['id'] );
if ( empty( $form_meta ) ) {
$_product = $cart_item['data'];
$woocommerce->add_error( $_product->get_title() . __( ' is invalid. Please remove and try readding to the cart', 'wc_gf_addons' ) );
return $cart_item;
}
$lead = $cart_item['_gravity_form_lead'];
$products = array();
$total = 0;
$lead['id'] = uniqid() . time() . rand();
$products = $this->get_product_fields( $form_meta, $lead );
if ( ! empty( $products["products"] ) ) {
foreach ( $products["products"] as $product ) {
$price = GFCommon::to_number( $product["price"] );
if ( is_array( rgar( $product, "options" ) ) ) {
$count = sizeof( $product["options"] );
$index = 1;
foreach ( $product["options"] as $option ) {
$price += GFCommon::to_number( $option["price"] );
$class = $index == $count ? " class='lastitem'" : "";
$index ++;
}
}
$subtotal = floatval( $product["quantity"] ) * $price;
$total += $subtotal;
}
$total += floatval( $products["shipping"]["price"] );
}
$cart_item['data']->adjust_price( $total );
$cart_item['_gform_total'] = $total;
error_reporting( $err_level );
}
return $cart_item;
}
//When the item is being added to the cart.
public function add_cart_item_data( $cart_item_meta, $product_id ) {
if ( ! isset( $_POST['gform_old_submit'] ) ) {
return $cart_item_meta;
}
if ( isset( $cart_item_meta['_gravity_form_data'] ) && isset( $cart_item_meta['_gravity_form_lead'] ) ) {
return $cart_item_meta;
}
$gravity_form_data = wc_gfpa()->get_gravity_form_data( $product_id );
$cart_item_meta['_gravity_form_data'] = $gravity_form_data;
if ( $gravity_form_data && is_array( $gravity_form_data ) && isset( $gravity_form_data['id'] ) && intval( $gravity_form_data['id'] ) > 0 ) {
$form_id = $gravity_form_data['id'];
$form_meta = RGFormsModel::get_form_meta( $form_id );
$form_meta = gf_apply_filters( array( 'gform_pre_render', $form_id ), $form_meta );
//Gravity forms generates errors and warnings. To prevent these from conflicting with other things, we are going to disable warnings and errors.
$err_level = error_reporting();
error_reporting( 0 );
//MUST disable notifications manually.
add_filter( 'gform_disable_user_notification_' . $form_id, array( $this, 'disable_notifications' ), 10, 3 );
add_filter( 'gform_disable_admin_notification_' . $form_id, array(
$this,
'disable_notifications'
), 10, 3 );
add_filter( 'gform_disable_notification_' . $form_id, array( $this, 'disable_notifications' ), 10, 3 );
add_filter( "gform_confirmation_" . $form_id, array( $this, "disable_confirmation" ), 10, 4 );
if ( empty( $form_meta ) ) {
return $cart_item_meta;
}
GFFormDisplay::$submission[ $form_id ] = null;
require_once( GFCommon::get_base_path() . "/form_display.php" );
$_POST['gform_submit'] = $_POST['gform_old_submit'];
GFFormDisplay::process_form( $form_id );
$_POST['gform_old_submit'] = $_POST['gform_submit'];
unset( $_POST['gform_submit'] );
$lead = GFFormDisplay::$submission[ $form_id ]['lead'];
$cart_item_meta['_gravity_form_lead'] = array(
'form_id' => $form_id,
'source_url' => $lead['source_url'],
'ip' => $lead['ip']
);
foreach ( $form_meta['fields'] as $field ) {
if ( isset( $field['displayOnly'] ) && $field['displayOnly'] ) {
continue;
}
$value = $this->get_lead_field_value( $lead, $field );
$inputs = $field instanceof GF_Field ? $field->get_entry_inputs() : rgar( $field, 'inputs' );
if ( is_array( $inputs ) ) {
//making sure values submitted are sent in the value even if
//there isn't an input associated with it
$lead_field_keys = array_keys( $lead );
natsort( $lead_field_keys );
foreach ( $lead_field_keys as $input_id ) {
if ( is_numeric( $input_id ) && absint( $input_id ) == absint( $field->id ) ) {
$cart_item_meta['_gravity_form_lead'][ strval( $input_id ) ] = $value[ strval( $input_id ) ];
}
}
} else {
$cart_item_meta['_gravity_form_lead'][ strval( $field['id'] ) ] = $value;
}
}
if ( apply_filters( 'woocommerce_gravityforms_delete_entries', true ) ) {
$this->delete_entry( $lead );
}
error_reporting( $err_level );
}
return $cart_item_meta;
}
public function get_cart_item_from_session( $cart_item, $values ) {
if ( isset( $values['_gravity_form_data'] ) ) {
$cart_item['_gravity_form_data'] = $values['_gravity_form_data'];
}
if ( isset( $values['_gravity_form_lead'] ) ) {
$cart_item['_gravity_form_lead'] = $values['_gravity_form_lead'];
}
if ( isset( $cart_item['_gravity_form_lead'] ) && isset( $cart_item['_gravity_form_data'] ) ) {
$this->add_cart_item( $cart_item );
}
return $cart_item;
}
public function get_item_data( $other_data, $cart_item ) {
if ( isset( $cart_item['_gravity_form_lead'] ) && isset( $cart_item['_gravity_form_data'] ) ) {
//Gravity forms generates errors and warnings. To prevent these from conflicting with other things, we are going to disable warnings and errors.
$err_level = error_reporting();
error_reporting( 0 );
$gravity_form_data = $cart_item['_gravity_form_data'];
$form_meta = RGFormsModel::get_form_meta( $gravity_form_data['id'] );
$form_meta = gf_apply_filters( array( 'gform_pre_render', $gravity_form_data['id'] ), $form_meta );
if ( ! empty( $form_meta ) ) {
$lead = $cart_item['_gravity_form_lead'];
//$lead['id'] = uniqid() . time() . rand();
$products = $this->get_product_fields( $form_meta, $lead );
$valid_products = array();
foreach ( $products['products'] as $id => $product ) {
if ( $product['quantity'] ) {
$valid_products[] = $id;
}
}
foreach ( $form_meta['fields'] as $field ) {
if ( ( isset( $field['inputType'] ) && $field['inputType'] == 'hiddenproduct' ) || ( isset( $field['displayOnly'] ) && $field['displayOnly'] ) || ( isset( $field->cssClass ) && strpos( $field->cssClass, 'wc-gforms-hide-from-email-and-admin' ) !== false ) ) {
continue;
}
if ( $field['type'] == 'product' ) {
if ( ! in_array( $field['id'], $valid_products ) ) {
continue;
}
}
$value = $this->get_lead_field_value( $lead, $field );
$arr_var = ( is_array( $value ) ) ? implode( '', $value ) : '-';
if ( ! empty( $value ) && ! empty( $arr_var ) ) {
$display_value = GFCommon::get_lead_field_display( $field, $value, isset( $lead["currency"] ) ? $lead["currency"] : false, false );
$price_adjustement = false;
$display_value = apply_filters( "gform_entry_field_value", $display_value, $field, $lead, $form_meta );
$display_text = GFCommon::get_lead_field_display( $field, $value, isset( $lead["currency"] ) ? $lead["currency"] : false, apply_filters( 'woocommerce_gforms_use_label_as_value', true, $value, $field, $lead, $form_meta ) );
$display_text = apply_filters( "woocommerce_gforms_field_display_text", $display_text, $display_value, $field, $lead, $form_meta );
if ( $field['type'] == 'product' ) {
$prefix = '';
$display_title = GFCommon::get_label( $field );
$display_text = str_replace( $display_title . ',', '', $display_text );;
$hidden = false;
} else {
$display_title = GFCommon::get_label( $field );
$prefix = '';
$hidden = $field['type'] == 'hidden';
$display_hidden = apply_filters( "woocommerce_gforms_field_is_hidden", $hidden, $display_value, $display_title, $field, $lead, $form_meta );
if ( $display_hidden ) {
$prefix = $hidden ? '_' : '';
}
if ( ! $display_hidden && ( isset( $field->cssClass ) && strpos( $field->cssClass, 'wc-gforms-hide-from-email' ) !== false ) ) {
$prefix = '_gf_email_hidden_';
$display_title = str_replace( '_gf_email_hidden_', '', $display_title );
$hidden = true;
}
}
$other_data[] = array(
'name' => $prefix . $display_title,
'display' => $display_text,
'value' => $display_value,
'hidden' => $hidden
);
}
}
}
error_reporting( $err_level );
}
return $other_data;
}
public function add_to_cart_validation( $valid, $product_id, $quantity ) {
global $woocommerce;
if ( ! $valid ) {
return false;
}
// Check if we need a gravity form!
$gravity_form_data = wc_gfpa()->get_gravity_form_data( $product_id );
if ( is_array( $gravity_form_data ) && $gravity_form_data['id'] && empty( $_POST['gform_form_id'] ) ) {
return false;
}
if ( isset( $_POST['gform_form_id'] ) && is_numeric( $_POST['gform_form_id'] ) ) {
$form_id = $_POST['gform_form_id'];
//Gravity forms generates errors and warnings. To prevent these from conflicting with other things, we are going to disable warnings and errors.
$err_level = error_reporting();
error_reporting( 0 );
//MUST disable notifications manually.
add_filter( 'gform_disable_user_notification_' . $form_id, array( $this, 'disable_notifications' ), 10, 3 );
add_filter( 'gform_disable_admin_notification_' . $form_id, array(
$this,
'disable_notifications'
), 10, 3 );
add_filter( 'gform_disable_notification_' . $form_id, array( $this, 'disable_notifications' ), 10, 3 );
add_filter( "gform_confirmation_" . $form_id, array( $this, "disable_confirmation" ), 10, 4 );
require_once( GFCommon::get_base_path() . "/form_display.php" );
$_POST['gform_submit'] = $_POST['gform_old_submit'];
GFFormDisplay::process_form( $form_id );
$_POST['gform_old_submit'] = $_POST['gform_submit'];
unset( $_POST['gform_submit'] );
if ( ! GFFormDisplay::$submission[ $form_id ]['is_valid'] ) {
return false;
}
if ( GFFormDisplay::$submission[ $form_id ]['page_number'] != 0 ) {
return false;
}
$this->delete_entry( GFFormDisplay::$submission[ $form_id ]['lead'] );
error_reporting( $err_level );
}
return $valid;
}
public function order_item_meta( $item, $cart_item_key, $cart_item ) {
if ( function_exists( 'woocommerce_add_order_item_meta' ) ) {
if ( isset( $cart_item['_gravity_form_lead'] ) && isset( $cart_item['_gravity_form_data'] ) ) {
$item_id = $item->get_id();
$item->add_meta_data( '_gravity_forms_history', array(
'_gravity_form_lead' => $cart_item['_gravity_form_lead'],
'_gravity_form_data' => $cart_item['_gravity_form_data']
)
);
//Gravity forms generates errors and warnings. To prevent these from conflicting with other things, we are going to disable warnings and errors.
$err_level = error_reporting();
error_reporting( 0 );
$gravity_form_data = $cart_item['_gravity_form_data'];
$form_meta = RGFormsModel::get_form_meta( $gravity_form_data['id'] );
$form_meta = gf_apply_filters( array(
'gform_pre_render',
$gravity_form_data['id']
), $form_meta );
if ( ! empty( $form_meta ) ) {
$lead = $cart_item['_gravity_form_lead'];
//We reset the lead id to disable caching of the gravity form value by gravity forms.
//This cache causes issues with multipule cart line items each with their own form.
$lead['id'] = uniqid() . time() . rand();
$products = $this->get_product_fields( $form_meta, $lead );
$valid_products = array();
foreach ( $products['products'] as $id => $product ) {
if ( ! isset( $product['quantity'] ) ) {
} elseif ( $product['quantity'] ) {
$valid_products[] = $id;
}
}
foreach ( $form_meta['fields'] as $field ) {
if ( ( isset( $field['inputType'] ) && $field['inputType'] == 'hiddenproduct' ) || ( isset( $field['displayOnly'] ) && $field['displayOnly'] )
|| ( isset( $field->cssClass ) && strpos( $field->cssClass, 'wc-gforms-hide-from-email-and-admin' ) ) !== false
) {
continue;
}
if ( $field['type'] == 'product' ) {
if ( ! in_array( $field['id'], $valid_products ) ) {
continue;
}
}
$value = $this->get_lead_field_value( $lead, $field );
$arr_var = ( is_array( $value ) ) ? implode( '', $value ) : '-';
if ( ! empty( $value ) && ! empty( $arr_var ) ) {
try {
$strip_html = true;
if ( $field['type'] == 'fileupload' && isset( $lead[ $field['id'] ] ) ) {
$strip_html = false;
$dv = $lead[ $field['id'] ];
$files = json_decode( $dv );
if ( empty( $files ) ) {
$files = array( $dv );
}
$display_value = '';
$sep = '';
foreach ( $files as $file ) {
$display_value .= $sep . '<a href="' . $file . '">' . $file . '</a>';
$sep = ', ';
}
} else {
if ( $field['type'] == 'address' ) {
$display_value = implode( ', ', array_filter( $value ) );
} else {
$display_value = GFCommon::get_lead_field_display( $field, $value, isset( $lead["currency"] ) ? $lead["currency"] : false, apply_filters( 'woocommerce_gforms_use_label_as_value', true, $value, $field, $lead, $form_meta ) );
}
$price_adjustement = false;
$display_value = apply_filters( "gform_entry_field_value", $display_value, $field, $lead, $form_meta );
}
$display_title = GFCommon::get_label( $field );
$display_title = apply_filters( "woocommerce_gforms_order_meta_title", $display_title, $field, $lead, $form_meta, $item_id, $cart_item );
$display_value = apply_filters( "woocommerce_gforms_order_meta_value", $display_value, $field, $lead, $form_meta, $item_id, $cart_item );
if ( apply_filters( 'woocommerce_gforms_strip_meta_html', $strip_html, $display_value, $field, $lead, $form_meta, $item_id, $cart_item ) ) {
if ( strstr( $display_value, '<li>' ) ) {
$display_value = str_replace( '<li>', '', $display_value );
$display_value = explode( '</li>', $display_value );
$display_value = trim( strip_tags( implode( ', ', $display_value ) ) );
$display_value = trim( $display_value, ',' );
}
$display_value = strip_tags( wp_kses( $display_value, '' ) );
}
$display_text = GFCommon::get_lead_field_display( $field, $value, isset( $lead["currency"] ) ? $lead["currency"] : false, false );
$display_value = apply_filters( "woocommerce_gforms_field_display_text", $display_value, $display_text, $field, $lead, $form_meta );
$prefix = '';
$hidden = $field['type'] == 'hidden';
$display_hidden = apply_filters( "woocommerce_gforms_field_is_hidden", $hidden, $display_value, $display_title, $field, $lead, $form_meta );
if ( $display_hidden ) {
$prefix = $hidden ? '_' : '';
}
if ( ! $display_hidden && ( isset( $field->cssClass ) && strpos( $field->cssClass, 'wc-gforms-hide-from-email' ) !== false ) ) {
$prefix = '_gf_email_hidden_';
$display_title = str_replace( '_gf_email_hidden_', '', $display_title );
}
if ( $field['type'] == 'product' ) {
$prefix = '';
$display_title = GFCommon::get_label( $field );
$display_value = str_replace( $display_title . ',', '', $display_text );;
}
$item->add_meta_data( $prefix . $display_title, $display_value );
} catch ( Exception $e ) {
}
}
}
}
error_reporting( $err_level );
}
}
}
public function on_get_order_again_cart_item_data( $data, $item, $order ) {
//disable validation
remove_filter( 'woocommerce_add_to_cart_validation', array( $this, 'add_to_cart_validation' ), 99, 3 );
$history = isset( $item['gravity_forms_history'] ) ? maybe_unserialize( $item['gravity_forms_history'] ) : false;
if ( ! $history ) {
//Not sure why exactly WC strips out the leading _, let's check for it anyways
isset( $item['_gravity_forms_history'] ) ? maybe_unserialize( $item['_gravity_forms_history'] ) : false;
}
if ( $history ) {
$glead = isset( $history['_gravity_form_lead'] ) ? $history['_gravity_form_lead'] : false;
$gdata = isset( $history['_gravity_form_data'] ) ? $history['_gravity_form_data'] : false;
if ( $glead && $gdata ) {
$data['_gravity_form_lead'] = $glead;
$data['_gravity_form_data'] = $gdata;
}
}
return $data;
}
//Helper Functions
protected function get_product_fields( $form, $lead, $use_choice_text = false, $use_admin_label = false ) {
$products = array();
foreach ( $form["fields"] as $field ) {
$id = $field["id"];
$lead_value = $this->get_lead_field_value( $lead, $field );
$quantity_field = GFCommon::get_product_fields_by_type( $form, array( "quantity" ), $id );
$quantity = sizeof( $quantity_field ) > 0 ? $this->get_lead_field_value( $lead, $quantity_field[0] ) : 1;
switch ( $field["type"] ) {
case "product" :
//ignore products that have been hidden by conditional logic
$is_hidden = RGFormsModel::is_field_hidden( $form, $field, array(), $lead );
if ( $is_hidden ) {
continue;
}
//if single product, get values from the multiple inputs
if ( is_array( $lead_value ) ) {
$product_quantity = sizeof( $quantity_field ) == 0 && ! rgar( $field, "disableQuantity" ) ? rgget( $id . ".3", $lead_value ) : $quantity;
if ( empty( $product_quantity ) ) {
continue;
}
if ( ! rgget( $id, $products ) ) {
$products[ $id ] = array();
}
$products[ $id ]["name"] = $use_admin_label && ! rgempty( "adminLabel", $field ) ? $field["adminLabel"] : $lead_value[ $id . ".1" ];
$products[ $id ]["price"] = rgar( $lead_value, $id . ".2" );
$products[ $id ]["quantity"] = $product_quantity;
} else if ( ! empty( $lead_value ) ) {
if ( empty( $quantity ) ) {
continue;
}
if ( ! rgar( $products, $id ) ) {
$products[ $id ] = array();
}
if ( $field["inputType"] == "price" ) {
$name = $field["label"];
$price = $lead_value;
} else {
list( $name, $price ) = explode( "|", $lead_value );
}
$products[ $id ]["name"] = ! $use_choice_text ? $name : RGFormsModel::get_choice_text( $field, $name );
$products[ $id ]["price"] = $price;
$products[ $id ]["quantity"] = $quantity;
$products[ $id ]["options"] = array();
}
if ( isset( $products[ $id ] ) ) {
$options = GFCommon::get_product_fields_by_type( $form, array( "option" ), $id );
foreach ( $options as $option ) {
$option_value = $this->get_lead_field_value( $lead, $option );
$option_label = empty( $option["adminLabel"] ) ? $option["label"] : $option["adminLabel"];
if ( is_array( $option_value ) ) {
foreach ( $option_value as $value ) {
$option_info = GFCommon::get_option_info( $value, $option, $use_choice_text );
if ( ! empty( $option_info ) ) {
$products[ $id ]["options"][] = array(
"field_label" => rgar( $option, "label" ),
"option_name" => rgar( $option_info, "name" ),
"option_label" => $option_label . ": " . rgar( $option_info, "name" ),
"price" => rgar( $option_info, "price" )
);
}
}
} else if ( ! empty( $option_value ) ) {
$option_info = GFCommon::get_option_info( $option_value, $option, $use_choice_text );
$products[ $id ]["options"][] = array(
"field_label" => rgar( $option, "label" ),
"option_name" => rgar( $option_info, "name" ),
"option_label" => $option_label . ": " . rgar( $option_info, "name" ),
"price" => rgar( $option_info, "price" )
);
}
}
}
break;
}
}
$shipping_field = GFCommon::get_fields_by_type( $form, array( "shipping" ) );
$shipping_price = $shipping_name = "";
if ( ! empty( $shipping_field ) && ! RGFormsModel::is_field_hidden( $form, $shipping_field[0], array(), $lead ) ) {
$shipping_price = $this->get_lead_field_value( $lead, $shipping_field[0] );
$shipping_name = $shipping_field[0]["label"];
if ( $shipping_field[0]["inputType"] != "singleshipping" ) {
list( $shipping_method, $shipping_price ) = explode( "|", $shipping_price );
$shipping_name = $shipping_field[0]["label"] . " ($shipping_method)";
}
}
$shipping_price = GFCommon::to_number( $shipping_price );
$product_info = array(
"products" => $products,
"shipping" => array( "name" => $shipping_name, "price" => $shipping_price )
);
$product_info = apply_filters( "gform_product_info_{$form["id"]}", apply_filters( "gform_product_info", $product_info, $form, $lead ), $form, $lead );
return $product_info;
}
/**
* @param $lead
* @param $field GF_Field
*
* @return array|bool|mixed|string|void
*/
private function get_lead_field_value( $lead, $field ) {
return RGFormsModel::get_lead_field_value( $lead, $field );
}
//Use a custom delete function so we don't delete files that are uploaded.
private function delete_entry( $entry ) {
global $wpdb;
$lead_id = $entry['id'];
GFCommon::log_debug( __METHOD__ . "(): Deleting entry #{$lead_id}." );
/**
* Fires before a lead is deleted
*
* @param $lead_id
*
* @deprecated
* @see gform_delete_entry
*/
do_action( 'gform_delete_lead', $lead_id );
$lead_table = GFFormsModel::get_lead_table_name();
$lead_notes_table = GFFormsModel::get_lead_notes_table_name();
$lead_detail_table = GFFormsModel::get_lead_details_table_name();
//Delete from lead details
$sql = $wpdb->prepare( "DELETE FROM $lead_detail_table WHERE lead_id=%d", $lead_id );
$wpdb->query( $sql );
//Delete from lead notes
$sql = $wpdb->prepare( "DELETE FROM $lead_notes_table WHERE lead_id=%d", $lead_id );
$wpdb->query( $sql );
//Delete from lead meta
gform_delete_meta( $lead_id );
//Delete from lead
$sql = $wpdb->prepare( "DELETE FROM $lead_table WHERE id=%d", $lead_id );
$wpdb->query( $sql );
}
/**
* Disable gravity forms notifications for the form.
*
* @param type $disabled
* @param type $form
* @param type $lead
*
* @return boolean
*/
public function disable_notifications( $disabled, $form, $lead ) {
return true;
}
/**
* Disable any type of confirmations for the form.
*
* @param type $confirmation
* @param type $form
* @param type $lead
* @param type $ajax
*
* @return boolean
*/
public function disable_confirmation( $confirmation, $form, $lead, $ajax ) {
if ( is_array( $confirmation ) && isset( $confirmation['redirect'] ) ) {
return $confirmation;
} else {
return false;
}
}
}
答案 0 :(得分：0)
add_action('woocommerce_calculate_totals', array($this, 'calculate_totals'), 10, 1);
function calculate_totals($totals){
//your code
}
尝试使用此代码段