empty-woocommerce-cart-before-adding-new-item.code-snippets.xml

<?xml version="1.0" encoding="UTF-8"?>
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<snippets>
  <snippet scope="0">
    <name>Empty Woocommerce Cart before adding new item</name>
    <desc></desc>
    <tags>empty, cart, single, product, woocommerce</tags>
    <code>// before add to cart, only allow 1 item in a cart&#13;
add_filter( 'woocommerce_add_to_cart_validation', 'woo_custom_add_to_cart_before' );&#13;
&#13;
function woo_custom_add_to_cart_before( $cart_item_data ) {&#13;
&#13;
    global $woocommerce;&#13;
    $woocommerce-&gt;cart-&gt;empty_cart();&#13;
&#13;
    // Do nothing with the data and return&#13;
    return true;&#13;
}</code>
  </snippet>
</snippets>