restore_exception_handler
(PHP 5, PHP 7, PHP 8)
restore_exception_handler — Restores the previously defined exception handler function
Description
restore_exception_handler(): bool
Used after changing the exception handler function using set_exception_handler(), to revert to the previous exception handler (which could be the built-in or a user defined function).
Parameters
This function has no parameters.
Return Values
This function always returns true.
Examples
Example #1 restore_exception_handler() example
<?php
function exception_handler_1(Exception $e)
{
echo '[' . __FUNCTION__ . '] ' . $e->getMessage();
}
function exception_handler_2(Exception $e)
{
echo '[' . __FUNCTION__ . '] ' . $e->getMessage();
}
set_exception_handler('exception_handler_1');
set_exception_handler('exception_handler_2');
restore_exception_handler();
throw new Exception('This triggers the first exception handler...');
?>
The above example will output:
[exception_handler_1] This triggers the first exception handler...
See Also
- set_exception_handler() - Sets a user-defined exception handler function
- set_error_handler() - Sets a user-defined error handler function
- restore_error_handler() - Restores the previous error handler function
- error_reporting() - Sets which PHP errors are reported
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