ElggLogFormatter.php

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<?php

namespace Elgg\Logger;

use Elgg\Exceptions\DatabaseException;
use Monolog\Formatter\LineFormatter;
use Monolog\LogRecord;

class ElggLogFormatter extends LineFormatter {

    public function format(LogRecord $record): string {
        $context = $record->context;
        $exception = elgg_extract('exception', $context);

        if (!$exception instanceof \Throwable) {
            return parent::format($record);
        }
        
        $dt = new \DateTimeImmutable();
        
        $eol = PHP_EOL;
        $message = "Exception at time {$dt->getTimestamp()}:{$eol}{$exception->getMessage()}{$eol}";
        $record_message = preg_replace('~\R~u', $eol, $message);

        if ($exception instanceof DatabaseException) {
            $context['sql'] = $exception->getQuery();
            $context['params'] = $exception->getParameters();
        }
        
        unset($context['exception']);

        return parent::format(new LogRecord($dt, $record->channel, $record->level, $record_message, $context, $record->extra, $record->formatted));
    }
}