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编辑当前文件:/home/seolotod/critterchoice.com/wp-content/themes/rehub-theme/woocommerce/loop/add-to-cart.php

<?php
/**
 * Loop Add to Cart
 *
 * This template can be overridden by copying it to yourtheme/woocommerce/loop/add-to-cart.php.
 *
 * HOWEVER, on occasion WooCommerce will need to update template files and you (the theme developer).
 * will need to copy the new files to your theme to maintain compatibility. We try to do this.
 * as little as possible, but it does happen. When this occurs the version of the template file will.
 * be bumped and the readme will list any important changes.
 *
 * @see 	    http://docs.woothemes.com/document/template-structure/
 * @author 		WooThemes
 * @package 	WooCommerce/Templates
 * @version     10.0
 */

if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly

global $product;

if ($product->get_type() =='external' && $product->add_to_cart_url() =='') {

return false;
}

else {

echo apply_filters( 'woocommerce_loop_add_to_cart_link',
	sprintf( '<a href="%s" data-quantity="%s" class="woo_loop_btn %s"%s %s>%s</a>',
		esc_url( $product->add_to_cart_url() ),
		esc_attr( isset( $args['quantity'] ) ? $args['quantity'] : 1 ),		
		esc_attr( isset( $args['class'] ) ? $args['class'] : 'button' ),
		$product->get_type() =='external' ? ' target="_blank" rel="nofollow sponsored"' : '',
		isset( $args['attributes'] ) ? wc_implode_html_attributes( $args['attributes'] ) : '',
		esc_html( $product->add_to_cart_text() )
	),
$product, $args );
}