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administrator/components/com_admin/postinstall/languageaccess340.php

@@ -0,0 +1,48 @@
+<?php
+
+/**
+ * @package     Joomla.Administrator
+ * @subpackage  com_admin
+ *
+ * @copyright   (C) 2015 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ *
+ * This file contains post-installation message handling for the checks if the installation is
+ * affected by the issue with content languages access in 3.4.0
+ */
+
+use Joomla\CMS\Factory;
+
+// phpcs:disable PSR1.Files.SideEffects
+\defined('_JEXEC') or die;
+// phpcs:enable PSR1.Files.SideEffects
+
+/**
+ * Checks if the installation is affected by the issue with content languages access in 3.4.0
+ *
+ * @link    https://github.com/joomla/joomla-cms/pull/6172
+ * @link    https://github.com/joomla/joomla-cms/pull/6194
+ *
+ * @return  boolean
+ *
+ * @since   3.4.1
+ */
+function admin_postinstall_languageaccess340_condition()
+{
+    $db    = Factory::getDbo();
+    $query = $db->getQuery(true)
+        ->select($db->quoteName('access'))
+        ->from($db->quoteName('#__languages'))
+        ->where($db->quoteName('access') . ' = ' . $db->quote('0'));
+    $db->setQuery($query);
+    $db->execute();
+    $numRows = $db->getNumRows();
+
+    if (isset($numRows) && $numRows != 0) {
+        // We have rows here so we have at minimum one row with access set to 0
+        return true;
+    }
+
+    // All good the query return nothing.
+    return false;
+}