restore_error_handler

(PHP 4 >= 4.0.1, PHP 5, PHP 7, PHP 8)

restore_error_handlerRestores the previous error handler function

Description

restore_error_handler(): true

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).

Parameters

This function has no parameters.

Return Values

Always returns true.

Examples

Example #1 restore_error_handler() example

Decide if unserialize() caused an error, then restore the original error handler.

<?phpfunction unserialize_handler($errno, $errstr){    echo "Invalid serialized value.\n";}$serialized = 'foo';set_error_handler('unserialize_handler');$original = unserialize($serialized);restore_error_handler();?>

The above example will output:

Invalid serialized value.

See Also