restore_error_handler
(PHP 4 >= 4.0.1, PHP 5)
restore_error_handler -- Restores the previous error handler function
说明
bool
restore_error_handler
( void )
Used after changing the error handler function using
set_error_handler()
, to revert to the previous error
handler (which could be the built-in or a user defined function).
返回值
This function always returns
TRUE
范例
例子 1.
restore_error_handler()
example
Decide if
unserialize()
caused an error, then
restore the original error handler.
<?php
function
unserialize_handler
(
$errno
,
$errstr
)
{
echo
"Invalid serialized value.\n"
;
}
$serialized
=
'foo'
;
set_error_handler
(
'unserialize_handler'
);
$original
=
unserialize
(
$serialized
);
restore_error_handler
();
?>
|
上例将输出：
Invalid serialized value.
|
|
注释
注:
Calling
restore_error_handler()
from the
error_handler
function is ignored.