woocommerce add to card text change with multi language

woocommerce add to card text change with multi lang.php

/**
 * custom_woocommerce_template_loop_add_to_cart
*/
add_filter( 'woocommerce_product_add_to_cart_text' , 'custom_woocommerce_product_add_to_cart_text' );

function custom_woocommerce_product_add_to_cart_text() {
	global $product;
	$url = 'http://' . $_SERVER['SERVER_NAME'] . $_SERVER['REQUEST_URI'];

	$text = "View Product";
	if (preg_match('/en/', $url)) {
	$text = "View details";
} elseif (preg_match('/it/', $url)) {
	$text = "Vedi i dettagli";
}	
	$product_type = $product->product_type;
	
	switch ( $product_type ) {
		case 'external':
			return __( $text, 'woocommerce' );
		break;
		case 'grouped':
			return __( $text, 'woocommerce' );
		break;
		case 'simple':
			return __( $text, 'woocommerce' );
		break;
		case 'variable':
			return __( $text, 'woocommerce' );
		break;
		default:
			return __( $text, 'woocommerce' );
	}
	
}