Logging

The chapter Quickstart helps you get started.

TYPO3 Logging consists of the following components:

• A Logger that receives the log message and related details, like a severity.

• A LogRecord model which encapsulates the data

• Configuration of the logging system

• Writers which write the log records to different targets (like file, database, rsyslog server, etc.)

• Processors which enhance the log record with more detailed information.

Contents:

• Quickstart
  • Instantiate a logger for the current class
  • Log
  • Set logging output
• Logger
  • Instantiation
  • The log() method
  • Log levels and shorthand methods
  • Channels
    • Using the channel
  • Examples
  • Best practices
    • Use placeholders
    • Meaningful message
    • Searchable message
    • Distinguishable and grouped
    • Provide useful information
• Configuration of the logging system
  • Writer configuration
  • Processor configuration
• The LogRecord model
• Log writers
  • Built-in log writers
    • DatabaseWriter
    • FileWriter
    • PhpErrorLogWriter
    • SyslogWriter
  • Custom log writers
    • Usage in a custom class
  • Examples
• Log processors
  • Built-in log processors
    • IntrospectionProcessor
      • Options
    • MemoryUsageProcessor
      • Options
    • MemoryPeakUsageProcessor
      • Options
    • WebProcessor
  • Custom log processors