make-php: skip strings without translation

features/makephp.feature

@@ -204,3 +204,58 @@ Feature: Generate PHP files from PO files
       """
       return ['domain'=>'foo-plugin','plural-forms'=>'nplurals=2; plural=(n != 1);','language'=>'de_DE','project-id-version'=>'Foo Plugin','pot-creation-date'=>'2018-05-02T22:06:24+00:00','po-revision-date'=>'2018-05-02T22:06:24+00:00','messages'=>['Plugin NameFoo Plugin (EN)'=>'Foo Plugin (DE)','Foo Plugin'=>'Bar Plugin','You have %d new message'=>'Sie haben %d neue Nachricht' . "\0" . 'Sie haben %d neue Nachrichten']];
       """
+
+  Scenario: Excludes strings without translations
+    Given an empty foo-plugin directory
+    And a foo-plugin/foo-plugin-de_DE.po file:
+      """
+      # Copyright (C) 2018 Foo Plugin
+      # This file is distributed under the same license as the Foo Plugin package.
+      msgid ""
+      msgstr ""
+      "Project-Id-Version: Foo Plugin\n"
+      "Report-Msgid-Bugs-To: https://wordpress.org/support/plugin/foo-plugin\n"
+      "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+      "Language-Team: LANGUAGE <[email protected]>\n"
+      "Language: de_DE\n"
+      "MIME-Version: 1.0\n"
+      "Content-Type: text/plain; charset=UTF-8\n"
+      "Content-Transfer-Encoding: 8bit\n"
+      "POT-Creation-Date: 2018-05-02T22:06:24+00:00\n"
+      "PO-Revision-Date: 2018-05-02T22:06:24+00:00\n"
+      "X-Domain: foo-plugin\n"
+      "Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+      #: foo-plugin.php:10
+      msgid "I exist"
+      msgstr "I exist (DE)"
+
+      #: foo-plugin.php:20
+      msgid "I am empty"
+      msgstr ""
+
+      #: foo-plugin.php:30
+      msgid "You have %d new message"
+      msgid_plural "You have %d new messages"
+      msgstr[0] ""
+      msgstr[1] ""
+      """
+
+    When I run `wp i18n make-php foo-plugin`
+    Then STDOUT should contain:
+      """
+      Success: Created 1 file.
+      """
+    And the return code should be 0
+    And the foo-plugin/foo-plugin-de_DE.l10n.php file should contain:
+      """
+      I exist
+      """
+    And the foo-plugin/foo-plugin-de_DE.l10n.php file should not contain:
+      """
+      I am empty
+      """
+    And the foo-plugin/foo-plugin-de_DE.l10n.php file should not contain:
+      """
+      new message
+      """

src/PhpArrayGenerator.php

@@ -78,7 +78,7 @@ protected static function toArray( Translations $translations, $include_headers,
 		 * @var Translation $translation
 		 */
 		foreach ( $translations as $translation ) {
-			if ( $translation->isDisabled() ) {
+			if ( $translation->isDisabled() || ! $translation->hasTranslation() ) {
 				continue;
 			}