XXVII. Error Handling and Logging Functions

Table of Contents
error_log -- send an error message somewhere
error_reporting -- set which PHP errors are reported
restore_error_handler --  Restores the previous error handler function
set_error_handler --  Sets a user-defined error handler function.
trigger_error --  Generates a user-level error/warning/notice message
user_error --  Generates a user-level error/warning/notice message