实用的25个WooCommerce片段2

WooCommerce是非常强大的电商工具，并且易于扩展。它有许多钩子可以用于修改几乎所有的东西，这就是使WooCommerce如此受欢迎。以下一些实用的Woocommerce片段列表所有这些片段必须粘贴在您的主题文件夹中的functions.php文件中才能起作用：

1 – 替换WooCommerce默认PayPal logo

```
/*
```

 * Replace WooCommerce default PayPal icon

```
 */
```
```
function paypal_checkout_icon() {
```

 return 'https://www.paypalobjects.com/webstatic/mktg/logo-center/logo_betalen_met_paypal_nl.jpg'; // write your own image URL here

```
}
```

add_filter( 'woocommerce_paypal_icon', 'paypal_checkout_icon' );

2 – 替换默认产品占位符图片

```
/*
```

* goes in theme functions.php or a custom plugin. Replace the image filename/path with your own ?

```
*
```
```
**/
```

add_action( 'init', 'custom_fix_thumbnail' );

```
 
```
```
function custom_fix_thumbnail() {
```

  add_filter('woocommerce_placeholder_img_src', 'custom_woocommerce_placeholder_img_src');

```
 
```

	function custom_woocommerce_placeholder_img_src( $src ) {

```
	$upload_dir = wp_upload_dir();
```

	$uploads = untrailingslashit( $upload_dir['baseurl'] );

	$src = $uploads . '/2012/07/thumb1.jpg';

```
 
```
```
	return $src;
```
```
	}
```
```
}
```

3 – 从面包屑中移除“Products”

```
/*
```

 * Hide "Products" in WooCommerce breadcrumb

```
 */
```

function woo_custom_filter_breadcrumbs_trail ( $trail ) {

```
  foreach ( $trail as $k => $v ) {
```

    if ( strtolower( strip_tags( $v ) ) == 'products' ) {

```
      unset( $trail[$k] );
```
```
      break;
```
```
    }
```
```
  }
```
```
 
```
```
  return $trail;
```
```
}
```
```
 
```

add_filter( 'woo_breadcrumbs_trail', 'woo_custom_filter_breadcrumbs_trail', 10 );

4 – 清空购物车

```
/*
```
```
 * Empty WooCommerce cart
```
```
 */
```
```
function my_empty_cart(){
```
```
	global $woocommerce;
```
```
	$woocommerce->cart->empty_cart(); 
```
```
}
```
```
add_action('init', 'my_empty_cart');
```

5 – 访问时自动添加产品到购物车

```
/*
```
```
 * Add item to cart on visit
```
```
 */
```
```
function add_product_to_cart() {
```
```
	if ( ! is_admin() ) {
```
```
		global $woocommerce;
```
```
		$product_id = 64;
```
```
		$found = false;
```
```
		//check if product already in cart
```

		if ( sizeof( $woocommerce->cart->get_cart() ) > 0 ) {

			foreach ( $woocommerce->cart->get_cart() as $cart_item_key => $values ) {

```
				$_product = $values['data'];
```
```
				if ( $_product->id == $product_id )
```
```
					$found = true;
```
```
			}
```
```
			// if product not found, add it
```
```
			if ( ! $found )
```

				$woocommerce->cart->add_to_cart( $product_id );

```
		} else {
```
```
			// if no products in cart, add it
```

			$woocommerce->cart->add_to_cart( $product_id );

```
		}
```
```
	}
```
```
}
```

add_action( 'init', 'add_product_to_cart' );

6 – 添加自定义货币/符号

add_filter( 'woocommerce_currencies', 'add_my_currency' );

```
 
```

function add_my_currency( $currencies ) {

     $currencies['ABC'] = __( 'Currency name', 'woocommerce' );

```
     return $currencies;
```
```
}
```
```
 
```

add_filter('woocommerce_currency_symbol', 'add_my_currency_symbol', 10, 2);

```
 
```

function add_my_currency_symbol( $currency_symbol, $currency ) {

```
     switch( $currency ) {
```

          case 'ABC': $currency_symbol = '$'; break;

```
     }
```
```
     return $currency_symbol;
```
```
}
```

7 – 更改添加到购物车按钮文字

```
/**
```

 * Change the add to cart text on single product pages

```
 */
```

function woo_custom_cart_button_text() {

	return __('My Button Text', 'woocommerce');

```
}
```

add_filter('single_add_to_cart_text', 'woo_custom_cart_button_text');

```
 
```
```
 
```
```
 
```
```
/**
```

 * Change the add to cart text on product archives

```
 */
```

function woo_archive_custom_cart_button_text() {

	return __( 'My Button Text', 'woocommerce' );

```
}
```

add_filter( 'add_to_cart_text', 'woo_archive_custom_cart_button_text' );

8 – 重定向订阅添加到购物车到结帐页面

```
/**
```

 * Redirect subscription add to cart to checkout page

```
 *
```
```
 * @param string $url
```
```
 */
```

function custom_add_to_cart_redirect( $url ) {

```
 
```

  $product_id	= (int) $_REQUEST['add-to-cart'];

	if ( class_exists( 'WC_Subscriptions_Product' ) ) {

		if ( WC_Subscriptions_Product::is_subscription( $product_id ) ) {

			return get_permalink(get_option( 'woocommerce_checkout_page_id' ) );

```
		} else return $url;
```
```
	} else return $url;
```
```
 
```
```
}
```

add_filter('add_to_cart_redirect', 'custom_add_to_cart_redirect');

此片段需要订阅插件。

9 – 加入购物车后，重定向到结帐页面

```
/**
```

 * Redirect subscription add to cart to checkout page

```
 *
```
```
 * @param none
```
```
 */
```

function add_to_cart_checkout_redirect() {

	wp_safe_redirect( get_permalink( get_option( 'woocommerce_checkout_page_id' ) ) );

```
	die();
```
```
}
```

add_action( 'woocommerce_add_to_cart',  'add_to_cart_checkout_redirect', 11 );

10 – CC所有电子邮件

```
 /**
```
```
 * WooCommerce Extra Feature
```
```
 * --------------------------
```
```
 *
```

 * Add another email recipient to all WooCommerce emails

```
 *
```
```
 */
```
```
function woo_cc_all_emails() {
```

  return 'Bcc: youremail@yourdomain.com' . "\r\n";

```
}
```

add_filter('woocommerce_email_headers', 'woo_cc_all_emails' );

11 – 当使用优惠券完成新订单时，发送电子邮件

```
/**
```
```
 * WooCommerce Extra Feature
```
```
 * --------------------------
```
```
 *
```

 * Send an email each time an order with coupon(s) is completed

 * The email contains coupon(s) used during checkout process

```
 *
```
```
 */ 
```

function woo_email_order_coupons( $order_id ) {

        $order = new WC_Order( $order_id );

```
 
```

        if( $order->get_used_coupons() ) {

```
 
```

          $to = 'youremail@yourcompany.com';

	        $subject = 'New Order Completed';

	        $headers = 'From: My Name ' . "\r\n";

```
 
```

	        $message = 'A new order has been completed.\n';

	        $message .= 'Order ID: '.$order_id.'\n';

```
	        $message .= 'Coupons used:\n';
```
```
 
```

	        foreach( $order->get_used_coupons() as $coupon) {

```
		        $message .= $coupon.'\n';
```
```
	        }
```

	        @wp_mail( $to, $subject, $message, $headers );

```
        }
```
```
}
```

add_action( 'woocommerce_thankyou', 'woo_email_order_coupons' );

12 – 更改相关产品数量

```
/**
```
```
 * WooCommerce Extra Feature
```
```
 * --------------------------
```
```
 *
```

 * Change number of related products on product page

 * Set your own value for 'posts_per_page'

```
 *
```
```
 */ 
```
```
function woo_related_products_limit() {
```
```
  global $product;
```
```
 
```
```
	$args = array(
```
```
		'post_type'        		=> 'product',
```
```
		'no_found_rows'    		=> 1,
```
```
		'posts_per_page'   		=> 6,
```
```
		'ignore_sticky_posts' 	=> 1,
```
```
		'orderby'             	=> $orderby,
```
```
		'post__in'            	=> $related,
```

		'post__not_in'        	=> array($product->id)

```
	);
```
```
	return $args;
```
```
}
```

add_filter( 'woocommerce_related_products_args', 'woo_related_products_limit' );

13 – 从商店页面中的特定类别中排除产品

```
 /**
```

 * Remove products from shop page by category

```
 *
```
```
 */
```

function woo_custom_pre_get_posts_query( $q ) {

```
 
```
```
	if ( ! $q->is_main_query() ) return;
```

	if ( ! $q->is_post_type_archive() ) return;

```
 
```
```
	if ( ! is_admin() && is_shop() ) {
```
```
 
```
```
		$q->set( 'tax_query', array(array(
```
```
			'taxonomy' => 'product_cat',
```
```
			'field' => 'slug',
```

			'terms' => array( 'shoes' ), // Don't display products in the shoes category on the shop page

```
			'operator' => 'NOT IN'
```
```
		)));
```
```
 
```
```
	}
```
```
 
```

	remove_action( 'pre_get_posts', 'custom_pre_get_posts_query' );

```
 
```
```
}
```

add_action( 'pre_get_posts', 'woo_custom_pre_get_posts_query' );

14 – 更改商城列数

```
/**
```
```
 * WooCommerce Extra Feature
```
```
 * --------------------------
```
```
 *
```

 * Change product columns number on shop pages

```
 *
```
```
 */
```

function woo_product_columns_frontend() {

```
    global $woocommerce;
```
```
 
```

    // Default Value also used for categories and sub_categories

```
    $columns = 4;
```
```
 
```
```
    // Product List
```
```
    if ( is_product_category() ) :
```
```
        $columns = 4;
```
```
    endif;
```
```
 
```
```
    //Related Products
```
```
    if ( is_product() ) :
```
```
        $columns = 2;
```
```
    endif;
```
```
 
```
```
    //Cross Sells
```
```
    if ( is_checkout() ) :
```
```
        $columns = 4;
```
```
    endif;
```
```
 
```
```
	return $columns;
```
```
}
```

add_filter('loop_shop_columns', 'woo_product_columns_frontend');

15 – 禁用WooCommerce选项卡

```
/**
```
```
 * Remove product tabs
```
```
 *
```
```
 */
```

function woo_remove_product_tab($tabs) {

```
 
```

    unset( $tabs['description'] );      		// Remove the description tab

    unset( $tabs['reviews'] ); 					// Remove the reviews tab

    unset( $tabs['additional_information'] );  	// Remove the additional information tab

```
 
```
```
 	return $tabs;
```
```
 
```
```
}
```

add_filter( 'woocommerce_product_tabs', 'woo_remove_product_tab', 98);

16 – 移除面包屑

```
 /**
```
```
 * Remove WooCommerce BreadCrumb
```
```
 *
```
```
 */
```

remove_action( 'woocommerce_before_main_content', 'woocommerce_breadcrumb', 20);

17 – 限制运输的国家列表

```
/**
```
```
 * WooCommerce Extra Feature
```
```
 * --------------------------
```
```
 *
```
```
 * Restrict shipping countries list
```
```
 *
```
```
 */
```

function woo_override_checkout_fields( $fields ) {

```
 
```

	$fields['shipping']['shipping_country'] = array(

```
		'type'      => 'select',
```

		'label'     => __('My New Country List', 'woocommerce'),

		'options' 	=> array('AU' => 'Australia')

```
	);
```
```
 
```
```
	return $fields; 
```
```
} 
```

add_filter( 'woocommerce_checkout_fields' , 'woo_override_checkout_fields' );

18 – 替换“Free!”产品字符串

```
/**
```
```
 * WooCommerce Extra Feature
```
```
 * --------------------------
```
```
 *
```
```
 * Replace "Free!" by a custom string
```
```
 *
```
```
 */
```
```
function woo_my_custom_free_message() {
```
```
	return "This product is FREE!";
```
```
}
```
```
 
```

add_filter('woocommerce_free_price_html', 'woo_my_custom_free_message');

19 – 当免费送货可用时隐藏所有其他运送方式

// Hide ALL shipping options when free shipping is available

add_filter( 'woocommerce_available_shipping_methods', 'hide_all_shipping_when_free_is_available' , 10, 1 );

```
 
```
```
/**
```

* Hide ALL Shipping option when free shipping is available

```
*
```
```
* @param array $available_methods
```
```
*/
```

function hide_all_shipping_when_free_is_available( $available_methods ) {

```
 
```

  	if( isset( $available_methods['free_shipping'] ) ) :

```
 
```

		// Get Free Shipping array into a new array

```
		$freeshipping = array();
```

		$freeshipping = $available_methods['free_shipping'];

```
 
```
```
		// Empty the $available_methods array
```
```
		unset( $available_methods );
```
```
 
```

		// Add Free Shipping back into $avaialble_methods

```
		$available_methods = array();
```
```
		$available_methods[] = $freeshipping;
```
```
 
```
```
	endif;
```
```
 
```
```
	return $available_methods;
```
```
}
```

20 – 设置结账时“state”字段非必填

```
/**
```
```
 * WooCommerce Extra Feature
```
```
 * --------------------------
```
```
 *
```

 * Make "state" field not required on checkout

```
 *
```
```
 */
```
```
 
```

add_filter( 'woocommerce_billing_fields', 'woo_filter_state_billing', 10, 1 );

add_filter( 'woocommerce_shipping_fields', 'woo_filter_state_shipping', 10, 1 );

```
 
```

function woo_filter_state_billing( $address_fields ) {

	$address_fields['billing_state']['required'] = false;

```
	return $address_fields;
```
```
}
```
```
 
```

function woo_filter_state_shipping( $address_fields ) {

	$address_fields['shipping_state']['required'] = false;

```
	return $address_fields;
```
```
}
```

21 – 创建优惠券程序

```
$coupon_code = 'UNIQUECODE'; // Code
```
```
$amount = '10'; // Amount
```

$discount_type = 'fixed_cart'; // Type: fixed_cart, percent, fixed_product, percent_product

```
 
```
```
$coupon = array(
```
```
	'post_title' => $coupon_code,
```
```
	'post_content' => '',
```
```
	'post_status' => 'publish',
```
```
	'post_author' => 1,
```
```
	'post_type'		=> 'shop_coupon'
```
```
);
```
```
 
```

$new_coupon_id = wp_insert_post( $coupon );

```
 
```
```
// Add meta
```

update_post_meta( $new_coupon_id, 'discount_type', $discount_type );

update_post_meta( $new_coupon_id, 'coupon_amount', $amount );

update_post_meta( $new_coupon_id, 'individual_use', 'no' );

update_post_meta( $new_coupon_id, 'product_ids', '' );

update_post_meta( $new_coupon_id, 'exclude_product_ids', '' );

update_post_meta( $new_coupon_id, 'usage_limit', '' );

update_post_meta( $new_coupon_id, 'expiry_date', '' );

update_post_meta( $new_coupon_id, 'apply_before_tax', 'yes' );

update_post_meta( $new_coupon_id, 'free_shipping', 'no' );

22 – 更改电子邮件主题行

```
/*
```
```
 * Subject filters: 
```

 *   woocommerce_email_subject_new_order

 *   woocommerce_email_subject_customer_procesing_order

 *   woocommerce_email_subject_customer_completed_order

 *   woocommerce_email_subject_customer_invoice

 *   woocommerce_email_subject_customer_note

 *   woocommerce_email_subject_low_stock

 *   woocommerce_email_subject_no_stock

 *   woocommerce_email_subject_backorder

 *   woocommerce_email_subject_customer_new_account

 *   woocommerce_email_subject_customer_invoice_paid

```
 **/
```

add_filter('woocommerce_email_subject_new_order', 'change_admin_email_subject', 1, 2);

```
 
```

function change_admin_email_subject( $subject, $order ) {

```
	global $woocommerce;
```
```
 
```

	$blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES);

```
 
```

	$subject = sprintf( '[%s] New Customer Order (# %s) from Name %s %s', $blogname, $order->id, $order->billing_first_name, $order->billing_last_name );

```
 
```
```
	return $subject;
```
```
}
```

23 – 添加自定义费用到购物车

```
/**
```
```
 * WooCommerce Extra Feature
```
```
 * --------------------------
```
```
 *
```

 * Add custom fee to cart automatically

```
 *
```
```
 */
```
```
function woo_add_cart_fee() {
```
```
 
```
```
	global $woocommerce;
```
```
 
```
```
	if ( is_cart() ) {
```

		$woocommerce->cart->add_fee( __('Custom', 'woocommerce'), 5 );

```
	}
```
```
 
```
```
}
```

add_action( 'woocommerce_before_cart_table', 'woo_add_cart_fee' );

24 – 自定义添加到购物车消息

```
/**
```
```
 * Custom Add To Cart Messages
```

 * Add this to your theme functions.php file

```
 **/
```

add_filter( 'woocommerce_add_to_cart_message', 'custom_add_to_cart_message' );

```
function custom_add_to_cart_message() {
```
```
	global $woocommerce;
```
```
 
```
```
	// Output success messages
```

	if (get_option('woocommerce_cart_redirect_after_add')=='yes') :

```
 
```

		$return_to 	= get_permalink(woocommerce_get_page_id('shop'));

```
 
```

		$message 	= sprintf('<a href="%s" class="button">%s</a> %s', $return_to, __('Continue Shopping →', 'woocommerce'), __('Product successfully added to your cart.', 'woocommerce') );

```
 
```
```
	else :
```
```
 
```

		$message 	= sprintf('<a href="%s" class="button">%s</a> %s', get_permalink(woocommerce_get_page_id('cart')), __('View Cart →', 'woocommerce'), __('Product successfully added to your cart.', 'woocommerce') );

```
 
```
```
	endif;
```
```
 
```
```
		return $message;
```
```
}
```

25 – 向管理员电子邮件添加付款方式

```
/**
```
```
 * WooCommerce Extra Feature
```
```
 * --------------------------
```
```
 *
```

 * Add payment method to admin new order email

```
 *
```
```
 */
```

add_action( 'woocommerce_email_after_order_table', 'woo_add_payment_method_to_admin_new_order', 15, 2 );

```
 
```

function woo_add_payment_method_to_admin_new_order( $order, $is_admin_email ) {

```
	if ( $is_admin_email ) { 
```

	echo '<p><strong>Payment Method:</strong> ' . $order->payment_method_title . '</p>';

```
	} 
```
```
}
```

原文链接：My 25 Best WooCommerce Snippets For WordPress Part 2

实用的25个WooCommerce片段2

1 – 替换WooCommerce默认PayPal logo

2 – 替换默认产品占位符图片

3 – 从面包屑中移除“Products”

4 – 清空购物车

5 – 访问时自动添加产品到购物车

6 – 添加自定义货币/符号

7 – 更改添加到购物车按钮文字

8 – 重定向订阅添加到购物车到结帐页面

9 – 加入购物车后，重定向到结帐页面

10 – CC所有电子邮件

11 – 当使用优惠券完成新订单时，发送电子邮件

12 – 更改相关产品数量

13 – 从商店页面中的特定类别中排除产品

14 – 更改商城列数

15 – 禁用WooCommerce选项卡

16 – 移除面包屑

17 – 限制运输的国家列表

18 – 替换“Free!”产品字符串

19 – 当免费送货可用时隐藏所有其他运送方式

20 – 设置结账时“state”字段非必填

21 – 创建优惠券程序

22 – 更改电子邮件主题行

23 – 添加自定义费用到购物车

24 – 自定义添加到购物车消息

25 – 向管理员电子邮件添加付款方式

作者： 蓝月网络

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作者：蓝月网络