Bulk replace strings while rendering page in WordPress

functions.php

<?php

/**
 * Some time we get in situation where we have to replace specific string from whole site,
 * Like if you are using WooCommerce for donation purpose and you want to display
 * `donation` text in place of `order` text then I have ideal way to do this by below code.
 */

/**
 * Filters text with its translation.
 *
 * @param string $translation  Translated text.
 * @param string $text         Text to translate.
 * @param string $domain       Text domain. Unique identifier for retrieving translated strings.
 *
 * @return string $translation
 */
function vk_update_strings( $translation, $text, $domain ) {

	if ( 'woocommerce' !== $domain ) {

		return $translation;
	}

	// Capital Singular format.
	$text = str_replace( 'Order', 'Donation', $text );

	// Small Singular format.
	$text = str_replace( 'order', 'donation', $text );

	return $text;
}
add_filter( 'gettext', 'vk_update_strings', 20, 3 );