Support » Plugin: WooCommerce » Variable Product

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  • I solved this way:

    add_action( 'woocommerce_add_cart_item', 'remove_duplicated_item' );
    function remove_duplicated_item($var) {
    	global $woocommerce;
    
    	foreach( $woocommerce->cart->cart_contents as $key => $value ) {
    		if( $value['product_id'] == $var['product_id'] ) {
    			unset($woocommerce->cart->cart_contents[$key]);
    			return $var;
    			break;
    		}
    	}
    	return $var;
    }
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