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phpMyAdmin/libraries/classes/Server/Status/Advisor.php

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+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * functions for displaying server status sub item: advisor
+ *
+ * @package PhpMyAdmin
+ */
+namespace PhpMyAdmin\Server\Status;
+
+use PhpMyAdmin\Advisor as PmaAdvisor;
+use PhpMyAdmin\Util;
+use Symfony\Component\ExpressionLanguage\ExpressionLanguage;
+
+/**
+ * PhpMyAdmin\Server\Status\Advisor class
+ *
+ * @package PhpMyAdmin
+ */
+class Advisor
+{
+    /**
+     * Returns html with PhpMyAdmin\Advisor
+     *
+     * @return string
+     */
+    public static function getHtml()
+    {
+        $output  = '<a href="#openAdvisorInstructions">';
+        $output .= Util::getIcon('b_help', __('Instructions'));
+        $output .= '</a>';
+        $output .= '<div id="statustabs_advisor"></div>';
+        $output .= '<div id="advisorInstructionsDialog" class="hide">';
+        $output .= '<p>';
+        $output .= __(
+            'The Advisor system can provide recommendations '
+            . 'on server variables by analyzing the server status variables.'
+        );
+        $output .= '</p>';
+        $output .= '<p>';
+        $output .= __(
+            'Do note however that this system provides recommendations '
+            . 'based on simple calculations and by rule of thumb which may '
+            . 'not necessarily apply to your system.'
+        );
+        $output .= '</p>';
+        $output .= '<p>';
+        $output .= __(
+            'Prior to changing any of the configuration, be sure to know '
+            . 'what you are changing (by reading the documentation) and how '
+            . 'to undo the change. Wrong tuning can have a very negative '
+            . 'effect on performance.'
+        );
+        $output .= '</p>';
+        $output .= '<p>';
+        $output .= __(
+            'The best way to tune your system would be to change only one '
+            . 'setting at a time, observe or benchmark your database, and undo '
+            . 'the change if there was no clearly measurable improvement.'
+        );
+        $output .= '</p>';
+        $output .= '</div>';
+        $output .= '<div id="advisorData" class="hide">';
+        $advisor = new PmaAdvisor($GLOBALS['dbi'], new ExpressionLanguage());
+        $output .= htmlspecialchars(
+            json_encode(
+                $advisor->run()
+            )
+        );
+        $output .= '</div>';
+
+        return $output;
+    }
+}