Add ABN to PDF Invoices

ABN

/**
 * Add PDF invoice information meta 
 *
 * @param array         $info Invoice info meta.
 * @param BEWPI_Invoice $invoice Invoice object.
 * @since 2.9.8
 *
 * @return array.
 */
function add_invoice_information_meta( $info, $invoice ) {
    // Add ABN number, manually set. 
    $abn_number = '2232323';
    
    if ( $abn_number ) {
        $info['abn_number''] = array(
            'title' => __( 'ABN:', 'woocommerce-pdf-invoices' ),
            'value' => $abn_number,
        );
    }

    return $info;
}
add_filter( 'wpi_invoice_information_meta', 'add_invoice_information_meta', 10, 2 );