📄 error_handler.php
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<?php
//******************************************************//
// ///////// //// /////
// // // // // //
// // ///// ////// //// ////
// // // //// // // // //
// ///////// ///// ////// ///// /////
//******************************************************//
// icebb.net // 1.0 Beta 7
//******************************************************//
// error handler
// $Id: error_handler.php 371 2006-08-04 17:34:07Z daniel $
//******************************************************//
define('SQL_ERROR' , 112790);
define('TEMPLATE_ERROR' , 294305);
$error_handler = new error_handler();
/**
* A simple error handler class. Handles SQL errors and PHP errors.
* Inspired by the feature in MyTopix
*
* @package IceBB
* @version 1.0 Beta 7
* @date July 23, 2005
*/
class error_handler
{
var $show_code_snippet;
/**
* Constructor
*/
function error_handler()
{
error_reporting(E_ERROR | E_WARNING | E_PARSE);
set_error_handler(array(&$this,"__error_handle"));
// hacky workaround to catch ALL errors, even fatal and parse errors:
// http://us3.php.net/manual/en/function.set-error-handler.php#35622
//@ob_start(array(&$this,"__catch_fatal_error"));
$this->show_code_snippet = 1;
// friendly error messages
$this->friendly_error = array(
E_ERROR => "PHP Fatal Error",
E_WARNING => "PHP Warning",
E_PARSE => "PHP Parse Error",
1024 => "PHP User Error",
SQL_ERROR => "SQL Error",
TEMPLATE_ERROR => "Skin Template Error",
);
}
/**
* Handles skin error
*
* @param string $errtype Type of skin error: load, function call, etc.
* @param string $errstr Error message
* @param string $errfile Error file (will attempt to determine automatically if not included)
* @param int $errline Error line (will attempt to determine automatically if not included)
* @param string $errcontext Error context (???)
*/
function skin_error($errtype,$errstr,$errfile=0,$errline=0,$errcontext=array())
{
if(!error_reporting())
{
return;
}
$errno = TEMPLATE_ERROR;
if(empty($errfile) || empty($errline))
{
$backtrace = debug_backtrace();
$errfile = $backtrace[1]['file'];
$errline = $backtrace[1]['line'];
}
$errfile = str_replace(@getcwd(),'',$errfile);
if($errtype == 'load')
{
}
$custarray = array('Getting this message often?'=>"If you experience problems with this skin, you may <a href='index.php?skinid=1&sticky'>use the default</a>. If you continue to have problems, contact a board admin.");
$this->__error($errno,$errstr,$errfile,$errline,$custarray);
}
/**
* Handles errors
*
* @param int $errno Error number
* @param string $errstr Error string
* @param string $errfile Error file
* @param int $errline Error line
* @param string $errcontext Error context (???)
*/
function __error_handle($errno,$errstr,$errfile,$errline,$errcontext)
{
if(!error_reporting())
{
return;
}
if($errno==8)
{
return;
}
switch($errno)
{
case E_WARNING:
//$this->__warning($errno,$errstr,$errfile,$errline,$errcontext);
echo "<strong>PHP Warning</strong> [{$errno}]: {$errstr} in {$errfile} on line {$errline}<br />";
break;
case E_PARSE:
echo "<strong>PHP Warning</strong> [{$errno}]: {$errstr} in {$errfile} on line {$errline}<br />";
break;
case E_STRICT:
break;
case TEMPLATE_ERROR:
//$errfile = str_replace(@getcwd(),'',$errfile);
//$custarray = array('Getting this message often?'=>"If you experience problems with this skin, you may <a href='index.php?skinid=1&sticky'>use the default</a>. If you continue to have problems, contact a board admin.");
$this->skin_error($errstr,$errfile,$errline,$errcontext);
//$this->__error($errno,$errstr,$errfile,$errline,$custarray);
break;
default:
$errfile = str_replace(@getcwd(),'',$errfile);
$errmsg = "{$errstr} on line {$errline} in {$errfile}";
$this->__error($errno,$errmsg,$errfile,$errline,$errcontext);
break;
}
}
/**
* Catch fatal errors
* http://us3.php.net/manual/en/function.set-error-handler.php#35622
*/
function __catch_fatal_error($buffer)
{
global $icebb;
if(ereg("(error</b>:)(.+)(<br)",$buffer,$regs))
{
$err = preg_replace("/<.*?>/","",$regs[2]);
preg_match("`(.+?) in (.+?) on line ([0-9]*)`i",$err,$matches);
//echo print_r($err,1);
//echo $err;
//ob_end_flush();
//exit();
if(strpos(strtolower($matches[1]),'syntax') || strpos(strtolower($matches[1]),'parse'))
{
$errno = E_PARSE;
}
else {
$errno = E_ERROR;
}
$errstr = $matches[1];
$errfile = str_replace($icebb->settings['board_path'],'',$matches[2]);
$errline = $matches[3];
$errmsg = "{$errstr} in /{$errfile} on line {$errline}";
$admin_email = $icebb->config['admin_email'];
return <<<EOF
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>IceBB Application Error</title>
<script type='text/javascript'>
function _getbyid(objid)
{
if(document.getElementById)
{
return document.getElementById(objid);
}
else if(document.all)
{
return eval("document.all."+objid);
}
else if(document.layers)
{
return eval("document."+objid);
}
}
function _toggle_view(objid)
{
obj = _getbyid(objid);
if(obj.style.display=='none')
{
obj.style.display='';
}
else {
obj.style.display='none';
}
}
</script>
<style type='text/css'>
body
{
background-color:#FFFFFF;
text-align:center;
font-family: Verdana, Arial, sans-serif;
font-size:13px;
margin:0px;
color:#2a2727;
line-height: 1.4em;
text-align:center;
}
h1
{
background: #648cbf;
color: #f7f8f9;
padding: 4px;
margin: 0 0 1px 0;
font-size: 12px;
}
.border
{
background: #FFF;
border: 1px solid #383631;
padding: 1px;
font-size:80%;
width:99.6%;
text-align:left;
margin:6px auto;
}
th
{
background: #dee6f1;
color: #000000;
font-size: 11px;
padding: 2px;
}
.col1
{
background-color: #f3f5f8;
}
.col2
{
background-color: #eef1f5;
}
fieldset
{
border:2px solid #ccddee;
}
fieldset legend
{
color:#667788;
font-weight:bold;
}
</style>
</head>
<body bgcolor='#ffffff'>
<div class='border'>
<h1>Sorry, IceBB has encountered an application error and is unable to continue.</h1>
<fieldset>
<legend>Information</legend>
IceBB encountered an error that prevents it from being able to continue. This error has been logged. Please contact an administrator at <a href='mailto:{$admin_email}'>{$admin_email}</a> if the problem persists.
</fieldset>
<fieldset>
<legend>{$this->friendly_error[$errno]}:</legend>
{$errmsg}
</fieldset>
</div>
<div id='info'>IceBB {$version} / <a href='index.php' onclick='history.go(-1);return false'>Back to forum</a></div>
</body>
</html>
EOF;
}
return $buffer;
}
/**
* Displays the error screen
*
* @param int $errno Error number
* @param string $errstr Error string
* @param string $errfile Error file
* @param int $errline Error line
* @param array $custom Array of custom error boxes
*/
function __error($errno,$errmsg,$errfile,$errline,$custom=array())
{
// custom boxes?
foreach($custom as $cuid => $cut)
{
$custom_messages .= "<fieldset><legend>{$cuid}</legend>{$cut}</legend></fieldset>";
}
$admin_email = $icebb->config['admin_email'];
echo <<<EOF
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>IceBB Application Error</title>
<script type='text/javascript'>
function _getbyid(objid)
{
if(document.getElementById)
{
return document.getElementById(objid);
}
else if(document.all)
{
return eval("document.all."+objid);
}
else if(document.layers)
{
return eval("document."+objid);
}
}
function _toggle_view(objid)
{
obj = _getbyid(objid);
if(obj.style.display=='none')
{
obj.style.display='';
}
else {
obj.style.display='none';
}
}
</script>
<style type='text/css'>
body
{
background-color:#FFFFFF;
text-align:center;
font-family: Verdana, Arial, sans-serif;
font-size:13px;
margin:0px;
color:#2a2727;
line-height: 1.4em;
text-align:center;
}
h1
{
background: #648cbf;
color: #f7f8f9;
padding: 4px;
margin: 0 0 1px 0;
font-size: 12px;
}
.border
{
background: #FFF;
border: 1px solid #383631;
padding: 1px;
width:99.6%;
text-align:left;
margin:6px auto;
width:80%;
}
th
{
background: #dee6f1;
color: #000000;
font-size: 11px;
padding: 2px;
}
.col1
{
background-color: #f3f5f8;
}
.col2
{
background-color: #eef1f5;
}
fieldset
{
border:2px solid #ccddee;
}
fieldset legend
{
color:#667788;
font-weight:bold;
}
</style>
</head>
<body bgcolor='#ffffff'>
<div class='border'>
<h1>Sorry, IceBB has encountered an application error and is unable to continue.</h1>
<fieldset>
<legend>Information</legend>
IceBB encountered an error that prevents it from being able to continue. This error has been logged. Please contact an administrator at <a href='mailto:{$admin_email}'>{$admin_email}</a> if the problem persists.
</fieldset>
<fieldset>
<legend>{$this->friendly_error[$errno]}:</legend>
{$errmsg}
</fieldset>
{$custom_messages}
EOF;
if($this->show_code_snippet==1)
{
$code_pre = preg_replace("`\t`"," ",@file_get_contents(@getcwd().$errfile));
$code = explode("<br />",highlight_string($code_pre,1));
$code2 = "<pre>";
$code2 .= $code[$errline-3]."\n";
$code2 .= $code[$errline-2]."\n";
$code2 .= "<div style='background-color:#ffffcc;white-space:pre;'>".$code[$errline-1]."</div>";
$code2 .= $code[$errline];
$code2 .= "</code>";
echo <<<EOF
<fieldset>
<legend>Code Snippet</legend>
{$code2}
</fieldset>
EOF;
}
echo <<<EOF
</div>
</body>
</html>
EOF;
@ob_end_flush();
exit();
}
}
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