From a6795b61ce249d0f1b05330562727b2f1d682401 Mon Sep 17 00:00:00 2001
From: Ryan Cramer <ryan@processwire.com>
Date: Fri, 23 Jun 2023 11:03:44 -0400
Subject: [PATCH] Add feature request processwire/processwire-issues#1757 which
 adds support for non-plural translations of 0 quantities in the `_n('%d
 item', %d items', 0);` translation function. To use, translate the file
 wire/modules/LanguageSupport/LanguageTranslator.php and edi the "Is zero (0)
 plural or singular?" setting at the top.

---
 wire/core/LanguageFunctions.php                     | 12 +++++++++---
 wire/modules/LanguageSupport/LanguageTranslator.php |  1 +
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/wire/core/LanguageFunctions.php b/wire/core/LanguageFunctions.php
index 68241156..4a0fb01e 100644
--- a/wire/core/LanguageFunctions.php
+++ b/wire/core/LanguageFunctions.php
@@ -284,7 +284,15 @@ function _x($text, $context, $textdomain = null) {
  *
  */
 function _n($textSingular, $textPlural, $count, $textdomain = null) {
-	return $count == 1 ? __($textSingular, $textdomain) : __($textPlural, $textdomain); 	
+	$count = (int) $count;
+	$value = $count === 1 ? __($textSingular, $textdomain) : __($textPlural, $textdomain);
+	if($count === 0 && $value !== $textPlural && wire()->languages) {
+		$plural = __('0-plural', 'common');
+		if(strtolower($plural) === '0-singular') { 
+			$value = __($textSingular, $textdomain);
+		}
+	}
+	return $value;
 }
 
 /**
@@ -423,5 +431,3 @@ function wireLangTranslations(array $values = array()) {
 function wireLangReplacements(array $values) {
 	return __(true, 'replacements', $values); 
 }
-
-
diff --git a/wire/modules/LanguageSupport/LanguageTranslator.php b/wire/modules/LanguageSupport/LanguageTranslator.php
index 6e6444e0..7f37197f 100644
--- a/wire/modules/LanguageSupport/LanguageTranslator.php
+++ b/wire/modules/LanguageSupport/LanguageTranslator.php
@@ -644,6 +644,7 @@ class LanguageTranslator extends Wire {
 		$v = '';
 
 		switch(strtolower($str)) {
+			case '0-plural': $v = $this->_('0-plural'); break; // Is zero (0) plural or singular? type=radios options=[0-plural:Plural,0-singular:Singular] // i.e. would language use "0 items" (plural) or "0 item" (singular)?
 			case 'edit': $v = $this->_('Edit'); break;
 			case 'delete': $v = $this->_('Delete'); break;
 			case 'save': $v = $this->_('Save'); break;