PHP: error and exception handler for Ajax driven sites/JSON

function BaseHandler($errLevel, $errMsg, $errFile, $errLine) {
    $obj = new stdClass();
    $obj->status = 1;
    $obj->message = $errMsg;
    $obj->stamp = microtime(true);
    $obj->result = array('errLevel'=>$errLevel,'errMsg'=>$errMsg, 'errFile'=>$errFile, 'errLine'=>$errLine);
    $obj->resultCount = count($obj->result);
    $obj->html = '';
    header('Content-Type: application/json;charset=utf-8');
    echo json_encode($obj);
    die();
}

function ErrorHandler($errLevel, $errMsg, $errFile, $errLine) {
    BaseHandler($errLevel, $errMsg, $errFile, $errLine);
}

function ExceptionHandler(Exception $e) {
    BaseHandler($e->getCode(), $e->getMessage(), $e->getFile(), $e->getLine());

}


set_error_handler("ErrorHandler");
set_exception_handler("ExceptionHandler");