<?php

function getDebugBacktrace($NL = "\n") {
    $dbgTrace = array_reverse(debug_backtrace());
    $dbgMsg = "";
    foreach($dbgTrace as $dbgInfo) {
        $dbgArg="";
        if(isset($dbgInfo['args'])) {
            foreach ($dbgInfo['args'] as $a) {
                if (!empty($dbgArg)) {
                $dbgArg .= ', ';
                }

                $dbgArg .= printVal($a);
            }
        }
        $dbgMsg .= (isset($dbgInfo['file'])?("File ".$dbgInfo['file'].": "):"").
        (isset($dbgInfo['line'])?("Line ".$dbgInfo['line'].": "):"")."Called: {$dbgInfo['function']}(".($dbgArg?("".$dbgArg):"").");$NL";
    }
    //$dbgMsg .= $NL;
    return $dbgMsg;
}

function errorHandler($errno, $errmsg, $filename, $linenum, $vars = null) {
    if(!(error_reporting() & $errno))
        return false;
    //variables
    global $prefix;

    global $ip, $host;
    $date=date("Y-m-d H:i:s");
    switch ($errno) {
        case E_ERROR:
            $errtype = 'Error';
        break;
        case E_WARNING:
            $errtype = 'Warning';
        break;
        case E_NOTICE:
            $errtype = 'Notice';
        break;
        case E_USER_ERROR:
            $errtype = 'User Error';
        break;
        case E_USER_WARNING:
            $errtype = 'User Warning';
        break;
        case E_USER_NOTICE:
            $errtype = 'User Notice';
        break;
        case E_STRICT:
        //    $errtype = 'Runtime Notice';
        break;
        case E_RECOVERABLE_ERROR:
            $errtype = 'Catchable Fatal Error';
        break;
        default:
            $errtype='Unknown Error';
        break;
    }
    if(isset($errtype)) {
        $err = "Date: ".date("Y-m-d H:i:s").(($ip != "unknown")?" IP: $ip":"").(!empty($host)?" Host: $host":"")."\n$errtype: $errmsg\nFile: ".$filename."\nLine: ".$linenum."\nError Number: $errno\n";
        if (isset($_SERVER['REQUEST_URI'])) $err .= "Request Uri:".$_SERVER['REQUEST_URI']."\n";
        $err .= "Debug Backtrace:\n".getDebugBacktrace()."\n\n";
        if (@is_dir("$prefix/logs")) error_log($err, 3, "$prefix/logs/errorlog.txt");
    }
    return false;
}
function exception_handler(Throwable $exception) {
    global $prefix;
    global $ip, $host;
    $type="Exception";
    $msg=$exception->getMessage();
    $code=$exception->getCode();
    $fname=$exception->getFile();
    $line=$exception->getLine();
    if(isset($type)) {
        $err="Date: ".date("Y-m-d H:i:s").(($ip != "unknown")?" IP: $ip":"").(!empty($host)?" Host: $host":"")."\n$type: $msg\nFile: $fname\nLine: ".$line."\n".(isset($_SERVER['REQUEST_URI'])?("Request Uri:".$_SERVER['REQUEST_URI']."\n"):"")."Debug Backtrace:\n".getDebugBacktrace()."\n\n";
        error_log($err, 3, "$prefix/logs/errorlog.txt");
    }
    throw $exception;
}
register_shutdown_function(function () {
    $ignore=false;
    global $prefix;
    global $ip, $host;
    $err = error_get_last();
    if ($err !== null) {
        $errno = $err['type'];
        switch ($errno) {
            case E_ERROR:
                $errtype = 'Error';
            break;
            default:
                $ignore = true;
            break;
        }
        if (!$ignore) {
            $errmsg = $err["message"];
            $filename = $err["file"];
            $linenum = $err["line"];
            $msg="Date: ".date("Y-m-d H:i:s").(($ip != "unknown")?" IP: $ip":"").(!empty($host)?" Host: $host":"")."\n$errtype: $errmsg\nFile: ".$filename."\nLine: ".$linenum."\nError Number: $errno\n".(isset($_SERVER['REQUEST_URI'])?("Request Uri:".$_SERVER['REQUEST_URI']."\n"):"")."Debug Backtrace:\n".getDebugBacktrace()."\n\n";
            if (@is_dir("$prefix/logs")) error_log($msg, 3, "$prefix/logs/errorlog.txt");
        }
    }
});
set_error_handler("errorHandler",E_ALL ^ E_DEPRECATED);
set_exception_handler("exception_handler");
?>