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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;
}
}
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