Error Handling and Logging

• Introduction
• Installing/Configuring
  • Runtime Configuration
• Predefined Constants
• Examples
• Error Handling Functions
  • debug_backtrace — Generates a backtrace
  • debug_print_backtrace — Prints a backtrace
  • error_clear_last — Clear the most recent error
  • error_get_last — Get the last occurred error
  • error_log — Send an error message to the defined error handling routines
  • error_reporting — Sets which PHP errors are reported
  • get_error_handler — Gets the user-defined error handler function
  • get_exception_handler — Gets the user-defined exception handler function
  • restore_error_handler — Restores the previous error handler function
  • restore_exception_handler — Restores the previously defined exception handler function
  • set_error_handler — Sets a user-defined error handler function
  • set_exception_handler — Sets a user-defined exception handler function
  • trigger_error — Generates a user-level error/warning/notice message
  • user_error — Alias of trigger_error