fix save acf fields

fix translate strings with zero
fix save string with zero

Author: VaLeXaR

core/vendor/class-wpm-acf.php

@@ -186,7 +186,7 @@ public function save_value( $value, $post_id, $field ) {
 		}
 
 		remove_filter( "acf/load_value", 'wpm_translate_value', 0 );
-		$old_value = get_field( $field['name'], $post_id );
+		$old_value = get_field( $field['name'], $post_id, false );
 		add_filter( "acf/load_value", 'wpm_translate_value', 0 );
 		$old_value = wpm_value_to_ml_array( $old_value );
 		$new_value = wpm_set_language_value( $old_value, $value, $acf_field_config );

core/wpm-translation-functions.php

@@ -112,7 +112,7 @@ function wpm_translate_string( $string, $language = '' ) {
 	$language       = wpm_get_language();
 	$default_locale = wpm_get_default_locale();
 
-	if ( empty( $strings[ $language ] ) && get_option( 'wpm_show_untranslated_strings' ) ) {
+	if ( ( '' == $strings[ $language ] ) && get_option( 'wpm_show_untranslated_strings' ) ) {
 		return $strings[ $languages[ $default_locale ] ];
 	}
 
@@ -250,7 +250,7 @@ function wpm_ml_array_to_string( $strings ) {
 
 	$languages = wpm_get_all_languages();
 	foreach ( $strings as $key => $value ) {
-		if ( in_array( $key, $languages, true ) && ! empty( $value ) ) {
+		if ( in_array( $key, $languages, true ) && ( '' != $value ) ) {
 			if ( wpm_is_ml_string( $value ) ) {
 				$string = wpm_translate_string( $string );
 			}

readme.txt

@@ -4,7 +4,7 @@ Contributors: valexar
 Tags: localization, multilanguage, multilingual, translation, multilang
 Requires at least: 4.7
 Tested up to: 4.8.1
-Stable tag: 1.5.3
+Stable tag: 1.5.4
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
 
@@ -139,6 +139,11 @@ Compatible with multisite not tested.
 
 == Changelog ==
 
+= 1.5.4 =
+* fix save acf fields
+* fix translate strings with zero
+* fix save string with zero
+
 = 1.5.3 =
 * fix switch language url for ssl
 * fix edit email in newsletter

wp-multilang.php

@@ -8,7 +8,7 @@
  * License URI: https://www.gnu.org/licenses/gpl-2.0.html
  * Text Domain:     wpm
  * Domain Path:     /languages
- * Version:         1.5.3
+ * Version:         1.5.4
  *
  * @package  WPM
  * @category Core
@@ -42,7 +42,7 @@ final class WP_Multilang {
 		 *
 		 * @var string
 		 */
-		public $version = '1.5.3';
+		public $version = '1.5.4';
 
 		/**
 		 * The single instance of the class.