The Events Calendar extended string changer

string_changing_extensions.php

<?php
/* Additional functions for changing strings in the events calendar and its plugins
 * See https://theeventscalendar.com/knowledgebase/change-the-wording-of-any-bit-of-text-or-string/ for details 
 * on the provided functions by the TEC team
 * 1. - function for changing quantity based spelling
 * 2. - function for changing strings with an attached context
 */


function tribe_custom_theme_numbered_text ( $translation, $single, $plural, $number, $domain ) {
	//put here desired customizaion of single and plural strings 
	$custom_single = array(
		'%d RSVP' => '%d Reservierung'
	);
	$custom_plural = array(
		'%d RSVPs' => '%d Reservierungen'
	);
	// If this text domain starts with "tribe-", "the-events-", or "event-" and we have replacement text
    	if( (strpos($domain, 'tribe-') === 0 || strpos($domain, 'the-events-') === 0 || strpos($domain, 'event-') === 0) ) {
		// If found in the custom text array, replace it
			if( array_key_exists($translation, $custom_single) ) {
				$translation = $custom_single[$translation];
			}
			if( 1 <  $number && array_key_exists($translation, $custom_plural) ) {
				$translation = $custom_plural[$translation];
			}
	}
    return $translation;
}
add_filter('ngettext', 'tribe_custom_theme_numbered_text', 20, 5);


function tribe_custom_theme_text_with_context ( $translation, $text, $context, $domain ) {
	// example: 'context1'  => [ old_translation1 => new_translation1, old_translation2 => new_translation2  ],
	$custom_text_with_context = [
		'form heading'	=>	[
						'RSVP' => 'Reservierung'
					],					
	];
	
	if ( (strpos($domain, 'tribe-') === 0 || strpos($domain, 'the-events-') === 0 || strpos($domain, 'event-') === 0) ){
		if ( array_key_exists($context, $custom_text_with_context) && array_key_exists($translation, $custom_text_with_context[$context]) ) {
				$translation = $custom_text_with_context[$context][$translation];
		}
	}
    return $translation;
}
add_filter('gettext_with_context', 'tribe_custom_theme_text_with_context', 20, 4);
?>