src/Pattern/ThrowableConverter.php

<?php
/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Apache\Log4php\Pattern;

/**
 * Returns the throwable information linked to the logging event, if any.
 *
 * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
 * @since 2.3
 */
class ThrowableConverter extends AbstractConverter
{
    public function convert(LoggingEvent $event)
    {
        $info = $event->getThrowableInformation();
        if (isset($info)) {
            $ex = $info->getThrowable();

            return (string) $ex . PHP_EOL;
        }

        return '';
    }
}