// set location of docx text content file
    $xmlFile = $targetDir."/word/document.xml";
    $reader = new XMLReader;
    $reader->open($xmlFile);
    
    // set up variables for formatting
    $text = ''; $formatting['bold'] = 'closed'; $formatting['italic'] = 'closed'; $formatting['underline'] = 'closed'; $formatting['header'] = 0;
    
    // loop through docx xml dom
    while ($reader->read()){ 
        // look for new paragraphs
        if ($reader->nodeType == XMLREADER::ELEMENT && $reader->name === 'w:p'){ 
            // set up new instance of XMLReader for parsing paragraph independantly
            $paragraph = new XMLReader;
            $p = $reader->readOuterXML();
            $paragraph->xml($p);
            
            // search for heading
            preg_match('/<w:pStyle w:val="(Heading.*?[1-6])"/',$p,$matches);
            switch($matches[1]){
                case 'Heading1': $formatting['header'] = 1; break;
                case 'Heading2': $formatting['header'] = 2; break;
                case 'Heading3': $formatting['header'] = 3; break;
                case 'Heading4': $formatting['header'] = 4; break;
                case 'Heading5': $formatting['header'] = 5; break;
                case 'Heading6': $formatting['header'] = 6; break;
                default:  $formatting['header'] = 0; break;
            }
            
            // open h-tag or paragraph
            $text .= ($formatting['header'] > 0) ? '<h'.$formatting['header'].'>' : '<p>';
            
            // loop through paragraph dom
            while ($paragraph->read()){
                // look for elements
                if ($paragraph->nodeType == XMLREADER::ELEMENT && $paragraph->name === 'w:r'){
                    $node = trim($paragraph->readInnerXML());

                    // add <br> tags
                    if (strstr($node,'<w:br ')) $text .= '<br>';

                    // look for formatting tags                    
                    $formatting['bold'] = (strstr($node,'<w:b/>')) ? (($formatting['bold'] == 'closed') ? 'open' : $formatting['bold']) : (($formatting['bold'] == 'opened') ? 'close' : $formatting['bold']);
                    $formatting['italic'] = (strstr($node,'<w:i/>')) ? (($formatting['italic'] == 'closed') ? 'open' : $formatting['italic']) : (($formatting['italic'] == 'opened') ? 'close' : $formatting['italic']);
                    $formatting['underline'] = (strstr($node,'<w:u ')) ? (($formatting['underline'] == 'closed') ? 'open' : $formatting['underline']) : (($formatting['underline'] == 'opened') ? 'close' : $formatting['underline']);
                    
                    // build text string of doc
                    $text .=     (($formatting['bold'] == 'open') ? '<strong>' : '').
                                (($formatting['italic'] == 'open') ? '<em>' : '').
                                (($formatting['underline'] == 'open') ? '<u>' : '').
                                $paragraph->expand()->textContent.
                                (($formatting['underline'] == 'close') ? '</u>' : '').
                                (($formatting['italic'] == 'close') ? '</em>' : '').
                                (($formatting['bold'] == 'close') ? '</strong>' : '');
                    
                    // reset formatting variables
                    foreach ($formatting as $key=>$format){
                        if ($format == 'open') $formatting[$key] = 'opened';
                        if ($format == 'close') $formatting[$key] = 'closed';
                    }
                }    
            }        
            $text .= ($formatting['header'] > 0) ? '</h'.$formatting['header'].'>' : '</p>';
        }
    
    }
    $reader->close();
    
    // fix invalid html
    $doc = new DOMDocument();
    $doc->encoding = 'UTF-8';
    $doc->loadHTML($text);
    $goodHTML = simplexml_import_dom($doc)->asXML();