CODE EXAMPLE FOR PHP

laravel logs

use IlluminateSupportFacadesLog;

// Severity levels base on RFC5424 commented on the right side
Log::emergency($message);	// system is unusable
Log::alert($message);		// action must be taken immediately
Log::critical($message);	// critical conditions
Log::error($message);		// error conditions
Log::warning($message);		// warning conditions
Log::notice($message);		// normal but significant condition
Log::info($message);		// informational messages
Log::debug($message);		// debug-level messages

// Checkout RFC5424 here - https://tools.ietf.org/html/rfc5424