Add forgotten Verbosity Trait. Sorry for the broken long weekend.

module/VuFind/src/VuFind/Log/Writer/VerbosityTrait.php

+<?php
+/**
+ * Trait to add configurable verbosity settings to loggers
+ *
+ * PHP version 5
+ *
+ * Copyright (C) Villanova University 2016.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * @category VuFind
+ * @package  View_Helpers
+ * @author   Demian Katz <demian.katz@villanova.edu>
+ * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
+ * @link     https://vufind.org/wiki/development:testing:unit_tests Wiki
+ */
+namespace VuFind\Log\Writer;
+
+/**
+ * Trait to add configurable verbosity settings to loggers
+ *
+ * @category VuFind
+ * @package  View_Helpers
+ * @author   Demian Katz <demian.katz@villanova.edu>
+ * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
+ * @link     https://vufind.org/wiki/development:testing:unit_tests Wiki
+ */
+trait VerbosityTrait
+{
+    /**
+     * Holds the verbosity level
+     *
+     * @var int
+     */
+    protected $verbosity = 1;
+
+    /**
+     * Set verbosity
+     *
+     * @param integer $verb verbosity setting
+     *
+     * @return void
+     */
+    public function setVerbosity($verb)
+    {
+        $this->verbosity = $verb;
+    }
+
+    /**
+     * Apply verbosity setting to message.
+     *
+     * @param array $event event data
+     *
+     * @return array
+     */
+    protected function applyVerbosity(array $event)
+    {
+        // Apply verbosity filter:
+        if (is_array($event['message'])) {
+            $event['message'] = $event['message'][$this->verbosity];
+        }
+        return $event;
+    }
+}