error_handler.php

<?php
function error_handler(int $errno, string $errstr, string $errfile, int $errline, array $errcontext)
{
    var_dump($errno.':'.$errstr);
    var_dump($errfile.':'.$errline);
    //var_dump($errcontext);
    //print "backtrace:\n";
    $backtrace = debug_backtrace();
    array_shift($backtrace);
    foreach($backtrace as $i=>$l){
        print @"[$i] in function <b>{$l['class']}{$l['type']}{$l['function']}</b>";
        if($l['file']) print " in <b>{$l['file']}</b>";
        if($l['line']) print " on line <b>{$l['line']}</b>";
        print "<br/>\n";
    }
    return true;
}
function exception_handler(Throwable $ex)
{
    if(function_exists('fix_error')) {
        $str=fix_error($ex);
        if($str) return false;
    }
    //var_dump($ex);
    $str=get_class($ex);
    echo $str.' ';
    $str=$ex->getCode().':'.$ex->getMessage();
    if(!is_null($str)) echo $str."<br/>\r\n";
    $str=$ex->
    $str=$ex->getFile().':'.$ex->getLine();
    if(!is_null($str)) echo 'on '.$str."<br/>\r\n";
    $str=$ex->getPrevious();
    if(!is_null($str)) echo $str."<br/>\r\n";
    $tr=$ex->getTrace();
    //var_dump($tr);die();
    for($i=0;$i<count($tr);$i++)
    {
        if(array_key_exists('args', $tr[$i])) $tr[$i]['args'] = array_map('gettype', $tr[$i]['args']);
        echo '#'.$i.' ';
        //var_dump($tr[$i]);die();
        $str=$tr[$i]['file'].':'.$tr[$i]['line'].' -> '.$tr[$i]['function'];
        if(array_key_exists('args', $tr[$i])) $str.='('.implode($tr[$i]['args']).')';
        echo $str."<br/>\r\n";
    }
    var_dump('test');//*/
    return false;
    //return true;
}
set_error_handler('error_handler', E_ALL);
set_exception_handler('exception_handler');
try
{
//trigger_error("Cannot divide by zero", E_USER_ERROR);
}
catch(Throwable $e){}
try
{
throw new Exception('my Uncaught Exception');
}
catch(Throwable $e){}
?>