How to remove/hide invoice information meta?

In order to remove invoice information meta from the PDF invoice template, simply use below filter function as an example and add it to your themes functions.php file.

/**
 * Remove Order Number and Order Date.
 *
 * @param array         $info    Invoice info meta.
 * @param BEWPI_Invoice $invoice Invoice object.
 *
 * @return array.
 * @since 2.9.8
 *
 */
function remove_invoice_information_meta( $info, $invoice ) {
	unset( $info['order_number'] );
	unset( $info['order_date'] );

	return $info;
}

add_filter( 'wpi_invoice_information_meta', 'remove_invoice_information_meta', 10, 2 );