The set_exception_handler() function sets a user-defined exception handler function.The script will stop executing after the exception handler is called.set_exception_handler — Sets a user-defined exception handler function
callable set_exception_handler ( callable $exception_handler )
Sets the default exception handler if an exception is not caught within a try/catch block. Execution will stop after the exception_handler is called.
| Parameter | Description |
|---|---|
| exceptionhandler | Required. Specifies the name of the function to be run when an uncaught exception occurs. NULL can be passed instead, to reset this handler to its default state |