PHP restore_error_handler() Function
 Complete PHP Error Reference
Definition and Usage
The restore_error_handler() function restores the previous error handler.
This function is used to restore the previous error handler after changing
it with the set_error_handler() function.
This function always returns TRUE.
Syntax
Tips and Notes
Tip: The previous error handler could be the built in error handler or
a user-defined function.
Example
<?php
//custom error handler function
function customError($errno, $errstr, $errfile, $errline)
{
echo "<b>Custom error:</b> [$errno] $errstr<br />";
echo " Error on line $errline in $errfile<br />";
}
//set user-defined error handler
set_error_handler("customError");
$test=2;
//trigger error
if ($test>1)
{
trigger_error("A custom error has been triggered");
}
//restore built-in error handler
restore_error_handler();
//trigger error again
if ($test>1)
{
trigger_error("A custom error has been triggered");
}
?>
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The output of the code above should be something like this:
Custom error: [1024] A custom error has been triggered
Error on line 14 in C:\webfolder\test.php
Notice: A custom error has been triggered in
C:\webfolder\test.php on line 21
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