isError example

$body .= static::$LE;
                $body .= $this->attachAll('attachment', $this->boundary[1]);
                break;
            default:
                //Catch case 'plain' and case '', applies to simple `text/plain` and `text/html` body content types                 //Reset the `Encoding` property in case we changed it for line length reasons                 $this->Encoding = $bodyEncoding;
                $body .= $this->encodeString($this->Body, $this->Encoding);
                break;
        }

        if ($this->isError()) {
            $body = '';
            if ($this->exceptions) {
                throw new Exception($this->lang('empty_message'), self::STOP_CRITICAL);
            }
        } elseif ($this->sign_key_file) {
            try {
                if (!defined('PKCS7_TEXT')) {
                    throw new Exception($this->lang('extension_missing') . 'openssl');
                }

                $file = tempnam(sys_get_temp_dir(), 'srcsign');
                

                // treat as a JSON object                 if (is_array($var) && count($var) && (array_keys($var) !== range(0, sizeof($var) - 1))) {
                    $properties = array_map(array($this, 'name_value'),
                                            array_keys($var),
                                            array_values($var));

                    foreach($properties as $property) {
                        if(Services_JSON::isError($property)) {
                            return $property;
                        }
                    }

                    return '{' . join(',', $properties) . '}';
                }

                // treat it like a regular array                 $elements = array_map(array($this, '_encode'), $var);

                foreach($elements as $element) {
                    

    /** * Output errors with PHP trigger_error(). You can silence the errors * with prefixing a "@" sign to the function call: @System::mkdir(..); * * @param mixed $error a PEAR error or a string with the error message * @return bool false */
    protected static function raiseError($error)
    {
        if (PEAR::isError($error)) {
            $error = $error->getMessage();
        }
        trigger_error($error, E_USER_WARNING);
        return false;
    }

    /** * Creates a nested array representing the structure of a directory * * System::_dirToStruct('dir1', 0) => * Array * ( * [dirs] => Array * ( * [0] => dir1 * ) * * [files] => Array * ( * [0] => dir1/file2 * [1] => dir1/file3 * ) * ) * @param string $sPath Name of the directory * @param integer $maxinst max. deep of the lookup * @param integer $aktinst starting deep of the lookup * @param bool $silent if true, do not emit errors. * @return array the structure of the dir */

            Jetpack::load_xml_rpc_client();
        }

        $xml = new Jetpack_IXR_ClientMulticall( array( 'user_id' => get_current_user_id() ) );

        $xml->addCall( 'wpcom.getUserID' );
        $xml->addCall( 'akismet.getAPIKey' );
        $xml->query();

        Akismet::log( compact( 'xml' ) );

        if ( !$xml->isError() ) {
            $responses = $xml->getResponse();
            if ( ( is_countable( $responses ) ? count( $responses ) : 0 ) > 1 ) {
                // Due to a quirk in how Jetpack does multi-calls, the response order                 // can't be trusted to match the call order. It's a good thing our                 // return values can be mostly differentiated from each other.                 $first_response_value = array_shift( $responses[0] );
                $second_response_value = array_shift( $responses[1] );
                
                // If WPCOM ever reaches 100 billion users, this will fail. :-)                 if ( preg_match( '/^[a-f0-9]{12}$/i', $first_response_value ) ) {
                    $api_key = $first_response_value;
                    

    public static function doGetopt($version, $args, $short_options, $long_options = null, $skip_unknown = false)
    {
        // in case you pass directly readPHPArgv() as the first arg         if (PEAR::isError($args)) {
            return $args;
        }

        if (empty($args)) {
            return array(array(), array());
        }

        $non_opts = $opts = array();

        settype($args, 'array');