例子
<?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");
}
?>
输出:
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