function getBacktrace($frame = null)
    {
        if (defined('PEAR_IGNORE_BACKTRACE')) {
            return null;
        }
        if ($frame === null) {
            return $this->backtrace;
        }
        return $this->backtrace[$frame];
    }
function getBacktrace($frame = null)
    {
        if (defined('PEAR_IGNORE_BACKTRACE')) {
            return null;
        }
        if ($frame === null) {
            return $this->backtrace;
        }
        return $this->backtrace[$frame];
    }
function getBacktrace ( $ frame = null ) { if ( defined ( 'PEAR_IGNORE_BACKTRACE' ) ) { return null ; } if ( $ frame === null ) { return $ this -> backtrace ; } return $ this -> backtrace [ $ frame ] ; }
Get the call backtrace from where the error was generated.
Supported with PHP 4.3.0 or newer.

@param int $frame (optional) what frame to fetch
@return array Backtrace, or NULL if not available.
@access public
Get the call backtrace from where the error was generated . Supported with PHP 4 . 3 . 0 or newer .