ARC2_JSONLDSerializer::getSerializedIndex PHP Method

    function getSerializedIndex($index, $raw = 0)
    {
        $r = '';
        $nl = "\n";
        foreach ($index as $s => $ps) {
            $r .= $r ? ',' . $nl . $nl : '';
            $r .= '  { ' . $nl . '    "@id" : ' . $this->getTerm($s);
            //$first_p = 1;
            foreach ($ps as $p => $os) {
                $r .= ',' . $nl;
                $r .= '    ' . $this->getTerm($p) . ' : [';
                $first_o = 1;
                if (!is_array($os)) {
                    /* single literal o */
                    $os = array(array('value' => $os, 'type' => 'literal'));
                }
                foreach ($os as $o) {
                    $r .= $first_o ? $nl : ',' . $nl;
                    $r .= '      ' . $this->getTerm($o, 'o');
                    $first_o = 0;
                }
                $r .= $nl . '    ]';
            }
            $r .= $nl . '  }';
        }
        $r .= $r ? ' ' : '';
        return '[' . $nl . $r . $nl . ']';
    }