restore_exception_handler Restores the previously defined exception handler function


restore_exception_handler

(PHP 5)

restore_exception_handler Restores the previously defined exception handler function

说明

bool restore_exception_handler ( void )

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).

返回值

This function always returns TRUE.

范例

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...');
?>

以上例程会输出:

[exception_handler_1] This triggers the first exception handler...

参见


«  restore_error_handler
» restore_include_path
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