<?php
/*	Error-Debugging Engine		*/	

	function error_debugging($typ, $message, $file, $line, $content)
	{
		global $log, $log_error, $domain, $error_path;
		
		function send_mail($headline, $body, $prio)
		{
			global $mail, $webmaster;
			mail($webmaster, $headline, $body."\r\nFile: ".__FILE__, "FROM: $mail\r\nX-PRIORITY: $prio\n");
		}
		
		function user_message()
		{
			global $error_msg;
			
			ob_end_clean();
			print $error_msg;
		}
		
			// Content of error message
			$error	= array
							(
								1=>"Error",
								2=>"Warning",
								8=>"Notice",
								256=>"User Error",
								512=>"User Warning",
								1024=>"User Notice"
							);
							
			$des	= "[".strftime("%d.%m.%Y - %H:%M")."] "; // Error date and time
			$des	.= "Fehler!\n\tTyp: ".$error[$typ]."\n";	// Error
			$des	.= "\tMeldung: $message\n\tZeile: $line\n";	// Content
			
			// All Types, which shouldn't print later
			$exclude	= array
								(
									"HTTP_POST_VARS",
									"_POST",
									"_GET",
									"HTTP_COOKIE_VARS",
									"_COOKIE",
									"HTTP_SERVER_VARS",
									"_SERVER",
									"HTTP_ENV_VARS",
									"_ENV",
									"HTTP_POST_FILES",
									"HTTP_GET_VARS",
									"_FILES",
									"_REQUEST"
								);
								
		ini_set("track_errors", 1);		// enable tracking
			
		switch($typ)
		{
			case 	E_NOTICE:
			case 	E_USER_NOTICE:			
					@$fp=fopen($log);
					
					if($fp===false)
					{
						send_mail("[URGENT / NOTICE] Logfile failed", $des, 2);
					}
					else
					{
						fputs($fp, $des);
						fputs($fp, "\n\n");
					}
					break;
					
			case	E_WARNING:
			case	E_USER_WARNING:
			case	E_USER_ERROR:
					user_message();
					@$fp = fopen($log_error, "a");
					
					if($fp === false)
						send_mail("[URGENT / ERROR] Logfile failed", $des, 2);
					else
					{
						fputs($fp, $des);
						@$file	= file($file);
						
						if($file === false)
						{
							fputs($fp, "Konnte Quelle nicht einlesen\n");
							fputs($fp, "Das System meldet: $php_errormsg\n");
						}
						else
						{
							$padding	= 3;
							
							// Error in file
							if(count($file) < $line)
								fputs($fp, "Fehler nach Dateiende");
							else
							{
								if(0 > $line-$padding)
									$anfang = 0;
								else
									$anfang	= $line-$padding;
									
								// end of print
								$ende	= $line+$padding;
								for($zaehler=$anfang; $zaehler<count($file); ++$zaehler)
								{
									if($zaehler > $ende)
										break;
									
									// Zeilenumbrüche entfernen
									$file[$zaehler] = ereg_replace("[\n\r]", "", $file[$zaehler]);
									
									// Quelltext zeile ausgeben
									fputs($fp, "$zaehler: $file[$zaehler]\n");
								}
								
								fputs($fp, "\nVariableninhalte:\n");
								
								foreach($exclude AS $key)
								{
									unset($content[$key]);
								}
								
								ob_start();
								print_r($content);
								$content_con	= ob_get_contents();
								ob_end_clean();
								fputs($fp, $content_con);
								fputs($fp, "\n\n");
							}
							
							// Mail mit hoher Prorität
							send_mail("[ERROR] $domain", $des, 2);
						}
					}
					die();
		} // End switch
	}	

	ini_set("error_reporting", E_ALL);
	ini_set("display_errors", 0);
	ini_set("log_errors", 1);
	ini_set("error_log", $error_path);
	
	set_error_handler("error_debugging");
	
/*	END Error Debugging Engine		*/
?>