PHP Manual
Function Reference
Affecting PHP's Behaviour
APCu
Componere
Error Handling
FFI
OPcache
Output Control
PHP Options/Info
phpdbg
runkit7
uopz
WinCache
Xhprof
Yac
Componere\cast_by_ref
Introduction
Affecting PHP's Behaviour
PHP Manual
Error Handling and Logging
Table of Contents
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
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