restore_error_handler
(PHP 4 >= 4.0.1, PHP 5, PHP 7, PHP 8)
restore_error_handler — Restores the previous error handler function
Description
restore_error_handler(): bool
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
This function always returns true.
Examples
Example #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();
?>
The above example will output:
Invalid serialized value.
See Also
- error_reporting() - Sets which PHP errors are reported
- set_error_handler() - Sets a user-defined error handler function
- restore_exception_handler() - Restores the previously defined exception handler function
- trigger_error() - Generates a user-level error/warning/notice message
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