ID: 9386
Updated by: jmoore
Reported By: [EMAIL PROTECTED]
Old-Status: Open
Status: Closed
Bug Type: Scripting Engine problem
Operating system:
PHP Version: 4.0.4pl1
Assigned To:
Comments:
FATAL errors are not passed through user error handlers due to the fact the engine may
be unstable and this could present security issues, instead the engine reports the
error via its default mechanism as described in php.ini and then shutsdown as
gracefully as possible.
- James
Previous Comments:
---------------------------------------------------------------------------
[2001-02-21 16:39:35] [EMAIL PROTECTED]
The files error_handler.inc, parse_error.php, and php_warning.php are included below.
We have error_handler.inc as the auto_prepend_file in php.ini. It defines an error
handling function and then sets it. However, when a parse error occurs, our error
handler is not called, as you can see in the following snippet of execution. It is
clear that the error handler is not being called in the second case.
*******************************************
[httpd@dev10 php]$ php -q php_warning.php
ERROR HANDLER
[httpd@dev10 php]$ php -q parse_error.php
<br>
<b>Fatal error</b>: Call to undefined function: thisisjunk() in
<b>parse_error.php</b> on line <b>3</b><br>
[httpd@dev10 php]$
*******************************************
error_handler.inc
==================================
<?
/*
>From php.ini:
E_ALL - All errors and warnings
E_ERROR - fatal run-time errors
E_WARNING - run-time warnings (non fatal errors)
E_PARSE - compile-time parse errors
E_NOTICE - run-time notices (these are warnings which often result from a
bug in
your code, but it's possible that it was intentional (e.g., using
an
uninitialized variable and relying on the fact it's automatically
initialized to an empty string)
E_CORE_ERROR - fatal errors that occur during PHP's initial startup
E_CORE_WARNING - warnings (non fatal errors) that occur during PHP's initial
startup
E_COMPILE_ERROR - fatal compile-time errors
E_COMPILE_WARNING - compile-time warnings (non fatal errors)
*/
function myc_log_error($timeday, $message, $server, $level, $service, $script_name,
$context) {
echo "ERROR HANDLERn";
}
function myc_error_handler($errno, $errstr, $errfile, $errline, $context) {
switch($errno) {
case E_NOTICE:
case E_USER_NOTICE:
case 0: // this occurs when the statement was prepended with an @
symbol
// do nothing
break;
case E_WARNING:
case E_CORE_WARNING:
case E_COMPILE_WARNING:
case E_USER_WARNING:
myc_log_error(date("Y-m-d H:i:s"), $errstr,
$GLOBALS['HOSTNAME'], $errno, $GLOBALS['SERVER_NAME'], $errfile, $context);
break;
default:
myc_log_error(date("Y-m-d H:i:s"), $errstr,
$GLOBALS['HOSTNAME'], $errno, $GLOBALS['SERVER_NAME'], $errfile, $context);
header("Location:
http://www.mycomputer.com/errors/error_available.html";);
echo "Hello!n";
exit();
break;
}
}
set_error_handler("myc_error_handler");
?>
==================================
php_warning.php
==================================
<?
foreach($arr as $hello) {
echo "$hellon";
}
?>
===================================
parse_error.php
===================================
<?
thisisjunk();
?>
===================================
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