Log Messages
 $dataProvider,
	'id' => 'log-panel-detailed-grid',
	'filterModel' => $searchModel,
	'filterUrl' => $panel->getUrl(),
	'rowOptions' => function ($model, $key, $index, $grid){
		switch($model['level']) {
			case Logger::LEVEL_ERROR : return ['class' => 'danger'];
			case Logger::LEVEL_WARNING : return ['class' => 'warning'];
			case Logger::LEVEL_INFO : return ['class' => 'success'];
			default: return [];
		}
	},
	'columns' => [
		['class' => 'yii\grid\SerialColumn'],
		[
			'attribute' => 'time',
			'value' => function ($data)
			{
				$timeInSeconds = $data['time'] / 1000;
				$millisecondsDiff = (int)(($timeInSeconds - (int)$timeInSeconds) * 1000);
				return date('H:i:s.',$timeInSeconds) . sprintf('%03d',$millisecondsDiff);
			},
		],
		[
			'attribute' => 'level',
			'value' => function ($data)
			{
				return Logger::getLevelName($data['level']);
			},
			'filter' => [
				Logger::LEVEL_TRACE => ' Trace ',
				Logger::LEVEL_PROFILE => ' Profile ',
				Logger::LEVEL_INFO => ' Info ',
				Logger::LEVEL_ERROR => ' Error ',
			],
		],
		'category',
		[
			'attribute' => 'message',
			'value' => function ($data)
			{
				$message = nl2br(Html::encode($data['message']));
				if (!empty($data['trace'])) {
					$message .= Html::ul($data['trace'], [
						'class' => 'trace',
						'item' => function ($trace)
						{
							return "{$trace['file']} ({$trace['line']})";
						}
					]);
				};
				return $message;
			},
			'format' => 'html',
			'options' => [
				'width' => '50%',
			],
		],
	],
]);
?>