WooCommerce Pdf Vouchers - Function to change download button text on my account downloads listing page

woo_vou_pdf_change_download_text_on_list.php

<?php

add_filter('woocommerce_customer_get_downloadable_products','woo_vou_pdf_change_download_text_on_list');

function woo_vou_pdf_change_download_text_on_list( $downloads ){
	if( !empty( $downloads ) ){
		$vou_download_text = get_option( 'vou_download_text' );
		$vou_download_text = !empty($vou_download_text) ? $vou_download_text : esc_html__( 'Voucher Download', 'woovoucher' );

		foreach ( $downloads as $key => $download) {
			if( isset( $download['file']) && $download['file']['name'] == $vou_download_text ){
				$downloads[$key]['download_name'] = $vou_download_text; // Any name you want to show
			}
		}
	}
	return $downloads;
}