Error Handler to send e-mail with fatal or parse errors of application

Send error

register_shutdown_function( "fatal_handler" );

function send_error($str = '') {
    $Settings = array('auth' => 'login',
                      'ssl'=> 'ssl',
                      'port'=> '465',
                      'username' => 'username',
                      'password' => 'pass');    

    $transport = new Zend_Mail_Transport_Smtp('smtp.email.com',$Settings);

    $mail = new Zend_Mail('utf-8');
    $mail->setBodyHtml($str);
    //$mail->setFrom($request["email"], $request['nome']);
    $mail->setFrom('[email protected]', 'From');
    
    //se não for passado um email pega o da configuração que foi definido no construct
    $mail->AddTo('[email protected]','');
    
    $mail->setSubject('Erro Elite');
    $return = $mail->send($transport);
    return $return;
}

function format_error( $errno, $errstr, $errfile, $errline ) {
    $trace = print_r( debug_backtrace( false ), true );

    $content  = "<table><thead bgcolor='#c8c8c8'><th>Item</th><th>Description</th></thead><tbody>";
    $content .= "<tr valign='top'><td><b>Error</b></td><td><pre>$errstr</pre></td></tr>";
    $content .= "<tr valign='top'><td><b>Errno</b></td><td><pre>$errno</pre></td></tr>";
    $content .= "<tr valign='top'><td><b>File</b></td><td>$errfile</td></tr>";
    $content .= "<tr valign='top'><td><b>Line</b></td><td>$errline</td></tr>";
    $content .= "<tr valign='top'><td><b>Trace</b></td><td><pre>$trace</pre></td></tr>";
    $content .= '</tbody></table>';

    return $content;
}

function fatal_handler() {
    $errfile = "unknown file";
    $errstr  = "shutdown";
    $errno   = E_CORE_ERROR;
    $errline = 0;

    $error = error_get_last();

    //error_log(var_export($error, true), 0);
    if( $error !== NULL) {
        $errno   = $error["type"];
        $errfile = $error["file"];
        $errline = $error["line"];
        $errstr  = $error["message"];

        if ($errno === E_ERROR || $errno === E_PARSE) send_error(format_error( $errno, $errstr, $errfile, $errline ) );
    }
    
}