PHP restore_error_handler () function
Complete PHP Error Reference Definition and Usage
restore_error_handler () function to restore the previous error handler.
This function is used by set_error_handler () function to change the recovery after the previous error handler.
This function always returns TRUE.
grammar
restore_error_handler()
Tips and Notes
Tip: Before the error handler may be built in error handler or a user-defined function built in.
Examples
<?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 ($test>1)
{
trigger_error("A custom error has been triggered");
}
?>
//custom error handler function
function customError($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");
}
?>
The output of the code above is as follows:
Custom error:[1024] A custom error has been triggered
Error on line 14 in C:webfoldertest.php
Notice: A custom error has been triggered in
C:webfoldertest.phpon line21
Error on line 14 in C:webfoldertest.php
Notice: A custom error has been triggered in
C:webfoldertest.phpon line21
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