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Filters — Zend Framework 2 2.0.7 documentation
A Filter object blocks a message from being written to the log.
You can add a filter to a specific Writer using addFilter() method of that Writer:
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use Zend\Log\Logger; $logger = new Logger(); $writer1 = new Zend\Log\Writer\Stream('/path/to/first/logfile'); $logger->addWriter($writer1); $writer2 = new Zend\Log\Writer\Stream('/path/to/second/logfile'); $logger->addWriter($writer2); // add a filter only to writer2 $filter = new Zend\Log\Filter\Priority(Logger::CRIT); $writer2->addFilter($filter); // logged to writer1, blocked from writer2 $logger->info('Informational message'); // logged by both writers $logger->emerg('Emergency message');
The Zend\Log\Filter available are:
- Priority, filter logging by $priority. By default, it will accept any log event whose priority value is less than or equal to $priority.
- Regex, filter out any log messages not matching the regex pattern. This filter use the preg_match() function of PHP.
- SuppressFilter, this is a simple boolean filter. Call suppress(true) to suppress all log events. Call suppress(false) to accept all log events.
- Validator, filter out any log messages not matching the Zend\Validator\Validator object passed to the filter.