<?php

/*

 * This file is part of the Monolog package.

 *

 * (c) Jordi Boggiano <j.boggiano@seld.be>

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

namespace Monolog\Processor;

/**

 * Injects line/file:class/function where the log message came from

 *

 * Warning: This only works if the handler processes the logs directly.

 * If you put the processor on a handler that is behind a FingersCrossedHandler

 * for example, the processor will only be called once the trigger level is reached,

 * and all the log records will have the same file/line/.. data from the call that

 * triggered the FingersCrossedHandler.

 *

 * @author Jordi Boggiano <j.boggiano@seld.be>

 */

class IntrospectionProcessor

{

    /**

     * @param array $record

     * @return array

     */

    public function __invoke(array $record)

    {

        $trace = debug_backtrace();

        // skip first since it's always the current method

        array_shift($trace);

        // the call_user_func call is also skipped

        array_shift($trace);

        $i = 0;

        while (isset($trace[$i]['class']) && false !== strpos($trace[$i]['class'], 'Monolog\\')) {

            $i++;

        }

        // we should have the call source now

        $record['extra'] = array_merge(

            $record['extra'],

            array(

                'file'      => isset($trace[$i-1]['file']) ? $trace[$i-1]['file'] : null,

                'line'      => isset($trace[$i-1]['line']) ? $trace[$i-1]['line'] : null,

                'class'     => isset($trace[$i]['class']) ? $trace[$i]['class'] : null,

                'function'  => isset($trace[$i]['function']) ? $trace[$i]['function'] : null,

            )

        );

        return $record;

    }

}