/
errorhandler.class.php
224 lines (210 loc) · 7.57 KB
/
errorhandler.class.php
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<?php
set_error_handler( array( 'ErrorHandler', 'parseError' ) );
/**
* DEVELOPMENT PHASE
*
* Project hosted at http://github.com/amereservant/PHP-Custom-Errors-And-Exceptions-Handler-Class
* All information can be found there.
*/
final class ErrorHandler {
static public $display = false;
private static $displayLevel;
private static $logLevel;
private static $errorLog = array( );
private static $errorDisplay = array( );
public static function parseError( $errorNumber, $errorString, $errorFile, $errorLine ) {
if(Config::getParam('display', 'display_mode') == 'user')
{
$errorDispInfo['errorString'] = self::getUserMessage($errorNumber);
}
$errorInfo['errorString'] = self::getErrorType($errorNumber);
$errorInfo['errorString'] .= self::getErrorString($errorString, $errorFile, $errorLine);
$errorInfo['backTrace'] = self::parseBackTrace( debug_backtrace( ), 'error' );
if( self::checkErrorLevel($errorNumber, 'logs') )
{
self::$errorLog[] = $errorInfo;
}
if( self::checkErrorLevel($errorNumber, 'display') )
{
if(isset($errorDispInfo['errorString']) && !empty($errorDispInfo['errorString']))
{
$errorInfo['errorString'] = $errorDispInfo['errorString'];
}
self::$errorDisplay[] = $errorInfo;
}
}
private static function getErrorType( $errorNumber ) {
switch ( $errorNumber ) {
case E_NOTICE:
case E_USER_NOTICE:
$type = 'Notice';
break;
case E_WARNING:
case E_USER_WARNING:
$type = 'Warning';
break;
case E_ERROR:
case E_USER_ERROR:
$type = 'Fatal Error';
break;
default:
$type = 'Unknown Error';
break;
}
return $type;
}
private static function getErrorString($errorString, $errorFile, $errorLine)
{
$string = ': "'.$errorString.'" in '.$errorFile.' on line '. $errorLine .'.';
return $string;
}
private static function parseBackTrace( $backTrace, $type ) {
if($type == 'error')
{
unset( $backTrace[0] );
}
$backTrace = array_reverse( $backTrace );
if ( count( $backTrace ) < 1 ) {
return;
}
$string = '';
$tabs = "";
foreach( $backTrace as $key => $value ) {
if ( $key ) {
$tabs .= "\t";
}
$string .= sprintf( "$tabs File %s on line %s.\n\t$tabs%s%s%s\n",
$value['file'],
$value['line'],
( !empty( $value['class'] ) ? $value['class'].$value['type'] : null ),
$value['function'],
( count( $value['args'] ) ? '( "'.implode( '", "', $value['args'] ).'" )' : '( )' ) );
}
return $string;
}
public static function getErrors( $type ) {
$logCount = count(self::$errorLog);
$displayCount = count(self::$errorDisplay);
if ($type == 'log' && $logCount < 1 ) {
return;
}
elseif($type == 'display' && $displayCount < 1 ) {
return;
}
elseif($type == 'both' && $displayCount < 1 && $logCount < 1)
{
return;
}
$string = '';
$stringLog = '';
$dispmode = Config::getParam('display', 'display_mode');
$logmode = Config::getParam('logs', 'log_mode');
$logto = (int)Config::getParam('logs', 'log_to');
if(($type == 'log' || $type == 'both') && $logCount > 0)
{
foreach( self::$errorLog as $error )
{
$stringLog .= ($logto == 3 ? '[' . date('d-M-Y H:i:s') . ']':'') .
print_r( ($logmode == "both" ? $error : ($logmode == 'backtrace' ?
$error['backTrace'] : $error['errorString'])), true ) .
($logto == 3 ? "\n":'');
}
if( (bool) Config::getParam('logs', 'log_errors') )
{
$logto == 4 ? error_log($stringLog, 4):($logto == 3 ? error_log($stringLog,
3, Config::getParam('logs', 'logfile')):error_log($stringLog, 0));
}
}
if(($type == 'display' || $type == 'both') && $displayCount > 0)
{
foreach( self::$errorDisplay as $disp )
{
$string .= print_r( ($dispmode == "both" ? $disp : ($dispmode == 'backtrace' ?
$disp['backTrace'] : $disp['errorString'])), true );
}
echo "<pre>$string</pre>";
}
}
public static function newError($errorString, $errorNumber)
{
$backtrace = debug_backtrace();
if(count($backtrace) < 1)
{
return;
}
$errorFile = !empty($backtrace[0]['file']) ? $backtrace[0]['file']:'';
$errorLine = !empty($backtrace[0]['line']) ? $backtrace[0]['line']:'';
if(Config::getParam('display', 'display_mode') == 'user')
{
$errorDispInfo['errorString'] = self::getUserMessage($errorNumber);
}
$errorInfo['errorString'] = self::getErrorType($errorNumber);
$errorInfo['errorString'] .= self::getErrorString($errorString, $errorFile, $errorLine);
$errorInfo['backTrace'] = self::parseBackTrace( debug_backtrace( ), 'method' );
if( self::checkErrorLevel($errorNumber, 'logs') )
{
self::$errorLog[] = $errorInfo;
}
if( self::checkErrorLevel($errorNumber, 'display') )
{
if(isset($errorDispInfo['errorString']) && !empty($errorDispInfo['errorString']))
{
$errorInfo['errorString'] = $errorDispInfo['errorString'];
}
self::$errorDisplay[] = $errorInfo;
}
}
private static function checkErrorLevel($errorNumber, $section)
{
if(!self::$displayLevel) { self::$displayLevel = Config::getParam('display', 'display_level'); }
if(!self::$logLevel) { self::$logLevel = Config::getParam('logs', 'log_level'); }
$setLevel = $section == 'logs' ? self::$logLevel : self::$displayLevel;
if($setLevel & $errorNumber) {
return true;
}
if($setLevel & E_WARNING) {
if($errorNumber & E_WARNING || $errorNumber & E_USER_WARNING) {
return true;
}
}
if($setLevel & E_NOTICE) {
if($errorNumber & E_NOTICE || $errorNumber & E_USER_NOTICE) {
return true;
}
}
if($setLevel & E_ERROR) {
if($errorNumber & E_USER_ERROR) {
return true;
}
}
return false;
}
private static function getUserMessage($errorNumber)
{
switch($errorNumber)
{
case E_USER_ERROR:
return 'FATAL ERROR: A fatal error has occurred. Please notify the ' .
'Administrator if it continues.';
break;
case E_WARNING:
case E_USER_WARNING:
return 'WARNING: There is a problem and this program may not work correctly'.
' until it is fixed. Please notify the Adminstrator if it continues.';
break;
case E_NOTICE:
case E_USER_NOTICE:
return 'NOTICE: There\'s a small issue with the script. Please let the ' .
'Administrator know about it.';
break;
default:
return 'An unknown error has occurred. Please notify Administrator of this.';
break;
}
}
public static function test()
{
self::newError('Triggered from a method.', E_USER_NOTICE);
}
}
?>