Restrict system.log logging to particular error level?

Question

By default Magento logs notices, warnings and errors into the system.log file. Is it possible to restrict the log level so that Magento doesn't log PHP notices?

Magento's Mage::log() method offers the option to set the log level by providing, e.g. Zend_Log::DEBUG as a parameter, and it'd be great to suppress logging of PHP notices.

ps. I do know that fixing the code producing the errors would be recommended, but the errors originate from third-party code and extensions, so that'd be impossible to manage.

Answer 1

I think you'd like to set the level to Zend_Log::WARN, according to Zend_Log:

const EMERG   = 0;  // Emergency: system is unusable
const ALERT   = 1;  // Alert: action must be taken immediately
const CRIT    = 2;  // Critical: critical conditions
const ERR     = 3;  // Error: error conditions
const WARN    = 4;  // Warning: warning conditions
const NOTICE  = 5;  // Notice: normal but significant condition
const INFO    = 6;  // Informational: informational messages
const DEBUG   = 7;  // Debug: debug messages

As I see you cannot and won't go through the 3rd party code and set this globally, you could try to adjust the PHP error reporting this way:

error_reporting(E_ALL ^ E_NOTICE);

I didn't test it but maybe it helps to get rid of the entries in the log.

Answer 2

For advanced logging capabilities, take a look at https://github.com/magento-hackathon/Logger