PHP xpath_eval函数代码示例

function getCategories($root)
{
    $xpath = xpath_new_context($root);
    $listNode = xpath_eval($xpath, "UL");
    if (sizeof($listNode->nodeset) == 0) {
        $xpath = xpath_new_context($root);
        $nodes = xpath_eval($xpath, "LI");
    } else {
        $xpath = xpath_new_context($listNode->nodeset[0]);
        $nodes = xpath_eval($xpath, "LI");
    }
    return $nodes->nodeset;
}

 /**
  *   export lm_data-table to xml-structure
  *
  *   @param  integer obj_id
  *   @param  integer depth
  *   @param  integer left    left border of nested-set-structure
  *   @param  integer right   right border of nested-set-structure   
  *   @access public
  *   @return string  xml
  */
 function exportRekursiv($obj_id, $depth, $left, $right)
 {
     global $ilDB;
     // Jetzt alle lm_data anhand der obj_id auslesen.
     $query = "SELECT  *\n                  FROM lm_tree, lm_data\n                  WHERE lm_tree.lm_id = " . $ilDB->quote($obj_id, "integer") . " \n                  AND   lm_tree.child = lm_data.obj_id \n                  AND   ( lm_data.type =  'st' OR lm_data.type =  'pg' )\n                  AND lm_tree.depth = " . $ilDB->quote($depth, "integer") . "\n                  AND lm_tree.lft > " . $ilDB->quote($left, "integer") . " and lm_tree.rgt < " . $ilDB->quote($right, "integer") . "\n                  ORDER BY lm_tree.lft";
     $result = $ilDB->query($query);
     while (is_array($row = $ilDB->fetchAssoc($result))) {
         if ($row["type"] == "st") {
             $xml .= "<StructureObject>";
             $nested = new ilNestedSetXML();
             $xml .= $nested->export($row["obj_id"], "st");
             $xml .= "\n";
             $xml .= $this->exportRekursiv($obj_id, $depth + 1, $row["lft"], $row["rgt"]);
             $xml .= "</StructureObject>";
         }
         if ($row["type"] == "pg") {
             $query = "SELECT * FROM page_object WHERE page_id= " . $ilDB->quote($row["obj_id"], "integer");
             $result2 = $this->ilias->db->query($query);
             $row2 = $result2->fetchRow(DB_FETCHMODE_ASSOC);
             $PO = $row2["content"] . "\n";
             if (stristr($PO, "MediaObject")) {
                 $dom = domxml_open_mem($PO);
                 $xpc = xpath_new_context($dom);
                 $path = "//MediaObject/MediaAlias";
                 $res =& xpath_eval($xpc, $path);
                 for ($i = 0; $i < count($res->nodeset); $i++) {
                     $id_arr = explode("_", $res->nodeset[$i]->get_attribute("OriginId"));
                     $mob_id = $id_arr[count($id_arr) - 1];
                     $this->mob_ids[$mob_id] = true;
                 }
             }
             $nested = new ilNestedSetXML();
             $mdxml = $nested->export($row["obj_id"], "pg");
             $PO = str_replace("<PageObject>", "<PageObject>\n{$mdxml}\n", $PO);
             $xml .= $PO;
         }
     }
     return $xml;
 }

 function importHtml($lng, $htmlTable)
 {
     $dummy = ilUtil::stripSlashes($htmlTable, false);
     //echo htmlentities($dummy);
     $dom = @domxml_open_mem($dummy, DOMXML_LOAD_PARSING, $error);
     if ($dom) {
         $xpc = @xpath_new_context($dom);
         // extract first table object
         $path = "//table[1] | //Table[1]";
         $res = @xpath_eval($xpc, $path);
         if (count($res->nodeset) == 0) {
             $error = "Could not find a table root node";
         }
         if (empty($error)) {
             for ($i = 0; $i < count($res->nodeset); $i++) {
                 $node = $res->nodeset[$i];
                 $this->importTableAttributes($node);
                 if ($node->has_child_nodes()) {
                     foreach ($node->child_nodes() as $n) {
                         if ($n->node_type() == XML_ELEMENT_NODE && strcasecmp($n->node_name(), "tr") == 0) {
                             $this->importRow($lng, $n);
                         }
                     }
                 }
             }
         }
         $dom->free();
     }
     if (is_array($error)) {
         $errmsg = "";
         foreach ($error as $errorline) {
             # Loop through all errors
             $errmsg .= "[" . $errorline['line'] . ", " . $errorline['col'] . "]: " . $errorline['errormessage'] . " at Node '" . $errorline['nodename'] . "'<br />";
         }
     } else {
         $errmsg = $error;
     }
     if (empty($errmsg)) {
         return true;
     }
     $_SESSION["message"] = $errmsg;
     return false;
 }

 function xpath_eval($eval_str)
 {
     return xpath_eval($this, $eval_str);
 }

function wms_layer4html($layer)
{
    $estilos = wms_estilos($layer);
    if (count($estilos) > 0) {
        $ctxl = xpath_new_context($layer);
        $xp_namel = xpath_eval($ctxl, "/Name");
        if (wms_xpnode2content($xp_namel) == "") {
            $xp_namel = xpath_eval($ctxl, "/name");
        }
        $txt_namel = wms_xpnode2content($xp_namel);
        $html .= wms_layer3html($layer);
        foreach ($estilos as $estilo) {
            $html .= wms_layer2html($estilo, "estilo", $txt_namel);
        }
    } else {
        $html .= wms_layer2html($layer, "tema", "");
    }
    return $html;
}

 private function generatePreview()
 {
     $xml = $this->getXMLContent();
     $dom = @domxml_open_mem($xml, DOMXML_LOAD_PARSING, $error);
     $xpc = xpath_new_context($dom);
     $path = "////PlaceHolder";
     $res =& xpath_eval($xpc, $path);
     foreach ($res->nodeset as $item) {
         $height = $item->get_attribute("Height");
         $height = eregi_replace("px", "", $height);
         $height = $height / 10;
         $item->set_attribute("Height", $height . "px");
     }
     $xsl = file_get_contents($this->getXSLPath());
     $xml = $dom->dump_mem(0, "UTF-8");
     $args = array('/_xml' => $xml, '/_xsl' => $xsl);
     $xh = xslt_create();
     $output = xslt_process($xh, "arg:/_xml", "arg:/_xsl", NULL, $args, NULL);
     xslt_error($xh);
     xslt_free($xh);
     return $output;
 }

 function getLayoutLinkTargets()
 {
     if (!is_object($this->layout_doc)) {
         return array();
     }
     $xpc = xpath_new_context($this->layout_doc);
     $path = "/ilLayout/ilLinkTargets/LinkTarget";
     $res = xpath_eval($xpc, $path);
     $targets = array();
     for ($i = 0; $i < count($res->nodeset); $i++) {
         $type = $res->nodeset[$i]->get_attribute("Type");
         $frame = $res->nodeset[$i]->get_attribute("Frame");
         $onclick = $res->nodeset[$i]->get_attribute("OnClick");
         $targets[$type] = array("Type" => $type, "Frame" => $frame, "OnClick" => $onclick);
     }
     return $targets;
 }

 function _makeXSLTInclude(&$main_xsl)
 {
     $xpath = xpath_new_context($main_xsl);
     $res = xpath_eval($xpath, "//include");
     $num = sizeof($res->nodeset);
     $needReCall = false;
     for ($i = 0; $i < $num; $i++) {
         $type = $res->nodeset[$i]->get_attribute("type");
         if ($type != 'subtemplate') {
             /*
             $dom = new DomDocument("1.0");
             $node = $dom->createElement("xsl:call-template", "");
             /*
             = new DomElement( "xsl:call-template", "",
             "http://www.w3.org/1999/XSL/Transform");
             // $dom->appendChild($node);
             
             $node->setAttribute( "name", "InsertBlock"  );
             $param = $dom->createElement("xsl:with-param");
             $node->appendChild($param);
             */
             // ñîçäàåì ýëåìåíò
             // $dom =  domxml_new_doc("1.0");
             $dom = $this->_xslt;
             $node = $this->_xslt->create_element("xsl:call-template", "");
             $node->set_attribute("name", "InsertBlock");
             //
             // $param = $dom->createElement("xsl:with-param", "");
             // $param = $node->appendChild($param);
             $param = $node->new_child("xsl:with-param");
             if (empty($type) || $type == 'default') {
                 $param->set_content($res->nodeset[$i]->get_attribute("object"));
             } else {
                 if ($type == 'condition') {
                     $childs = $res->nodeset[$i]->child_nodes();
                     //print_r( $childs );
                     if (is_array($childs)) {
                         $cnum = sizeof($childs);
                         for ($j = 0; $j < $cnum; $j++) {
                             $clone = $childs[$j]->clone_node(true);
                             //$clone->set_namespace( $childs[$j]prefix();
                             $param->append_child($clone);
                         }
                         //foreach ( $childs as $child ) {
                         //}
                     }
                 }
             }
             $param->set_attribute("name", "id");
             $res->nodeset[$i]->replace_node($node);
         } else {
             $name = $res->nodeset[$i]->get_attribute("name");
             if (isset($this->_templates['sub']) && array_key_exists($name, $this->_templates['sub'])) {
                 $nodes = $this->_templates['sub'][$name]->getText();
                 if (is_array($nodes)) {
                     $nnum = sizeof($nodes);
                     for ($j = 0; $j < $nnum; $j++) {
                         //print_r( $nodes[$j] );
                         // TODO: analyze it nafig
                         // echo $res->nodeset[$i]->get_content();
                         //print_r($res->nodeset[$i]);
                         /*
                         
                         echo $j."of $nnum vs $i<hr/>";
                         print_r($nodes[$j]);
                         echo "<hr/>";
                         print_r($res->nodeset[$i]);
                         echo "<hr/>";
                         print_r($res->nodeset[$i]);
                         echo "<hr/>";
                         */
                         // echo $res->nodeset[$i]->get_content();
                         // $res->nodeset[$i]->insert_before( $nodes[$j], $res->nodeset[$i]);
                         $res->nodeset[$i]->append_sibling($nodes[$j]);
                         // if (in_array($))
                         /*
                         if ($res->nodeset[$i]->get_content() != "")
                         $res->nodeset[$i]->insert_before( $nodes[$i], $res->nodeset[$i] );
                         else
                         $res->nodeset[$i]->append_child( $nodes[$j], $res->nodeset[$i]  );
                         */
                         /*
                                                     if ( $nodes[$j]->type == 1 ) {
                                                     $this->_makeXSLTInclude( $nodes[$j] );
                                                     }*/
                     }
                 }
             }
             $p = $res->nodeset[$i]->parent_node();
             //print_r( $p );
             $p->remove_child($res->nodeset[$i]);
             $needReCall = true;
         }
     }
     /**/
     if ($needReCall) {
         $this->_makeXSLTInclude($main_xsl);
     }
     /**/
 }

 /**
  * Get initial opened content
  *
  * @param
  */
 function getInitialOpenedContent()
 {
     $this->buildDom();
     $xpc = xpath_new_context($this->dom);
     $path = "//PageObject/InitOpenedContent";
     $res = xpath_eval($xpc, $path);
     $il_node = null;
     if (count($res->nodeset) > 0) {
         $init_node = $res->nodeset[0];
         $childs = $init_node->child_nodes();
         for ($i = 0; $i < count($childs); $i++) {
             if ($childs[$i]->node_name() == "IntLink") {
                 $il_node = $childs[$i];
             }
         }
     }
     if (!is_null($il_node)) {
         $id = $il_node->get_attribute("Target");
         $link_type = $il_node->get_attribute("Type");
         $target = $il_node->get_attribute("TargetFrame");
         switch ($link_type) {
             case "MediaObject":
                 $type = "media";
                 break;
             case "PageObject":
                 $type = "page";
                 break;
             case "GlossaryItem":
                 $type = "term";
                 break;
         }
         include_once "./Services/Link/classes/class.ilInternalLink.php";
         $id = ilInternalLink::_extractObjIdOfTarget($id);
         return array("id" => $id, "type" => $type, "target" => $target);
     }
     return array();
 }

 /**
  * Delete all map areas
  */
 function deleteAllMapAreas()
 {
     $xpc = xpath_new_context($this->dom);
     $path = "//PageContent[@HierId = '" . $this->hier_id . "']/" . $this->parent_node_name . "/MediaAliasItem[@Purpose='" . $this->purpose . "']/MapArea";
     $res =& xpath_eval($xpc, $path);
     for ($i = 0; $i < count($res->nodeset); $i++) {
         $res->nodeset[$i]->unlink_node($res->nodeset[$i]);
     }
 }

 /**
  * Modify page content after xsl
  *
  * @param string $a_output
  * @return string
  */
 function modifyPageContentPostXsl($a_output, $outputmode = "presentation")
 {
     $dom = $this->getPage()->getDom();
     $xpc = xpath_new_context($dom);
     $path = "//Paragraph";
     //"[@Characteristic = 'Code']";
     $res =& xpath_eval($xpc, $path);
     for ($i = 0; $i < count($res->nodeset); $i++) {
         $context_node = $res->nodeset[$i];
         $char = $context_node->get_attribute('Characteristic');
         if ($char != "Code") {
             continue;
         }
         $n = $context_node->parent_node();
         $char = $context_node->get_attribute('Characteristic');
         $subchar = $context_node->get_attribute('SubCharacteristic');
         $showlinenumbers = $context_node->get_attribute('ShowLineNumbers');
         $downloadtitle = $context_node->get_attribute('DownloadTitle');
         $autoindent = $context_node->get_attribute('AutoIndent');
         $content = "";
         // get XML Content
         $childs = $context_node->child_nodes();
         for ($j = 0; $j < count($childs); $j++) {
             $content .= $dom->dump_node($childs[$j]);
         }
         while ($context_node->has_child_nodes()) {
             $node_del = $context_node->first_child();
             $context_node->remove_child($node_del);
         }
         $content = str_replace("<br />", "<br/>", utf8_decode($content));
         $content = str_replace("<br/>", "\n", $content);
         $rownums = count(split("\n", $content));
         $plain_content = html_entity_decode($content);
         $plain_content = preg_replace("/\\&#x([1-9a-f]{2});?/ise", "chr (base_convert (\\1, 16, 10))", $plain_content);
         $plain_content = preg_replace("/\\&#(\\d+);?/ise", "chr (\\1)", $plain_content);
         $content = utf8_encode($this->highlightText($plain_content, $subchar, $autoindent));
         $content = str_replace("&amp;lt;", "&lt;", $content);
         $content = str_replace("&amp;gt;", "&gt;", $content);
         //			$content = str_replace("&", "&amp;", $content);
         //var_dump($content);
         $rows = "<tr valign=\"top\">";
         $rownumbers = "";
         $linenumbers = "";
         //if we have to show line numbers
         if (strcmp($showlinenumbers, "y") == 0) {
             $linenumbers = "<td nowrap=\"nowrap\" class=\"ilc_LineNumbers\" >";
             $linenumbers .= "<pre class=\"ilc_Code\">";
             for ($j = 0; $j < $rownums; $j++) {
                 $indentno = strlen($rownums) - strlen($j + 1) + 2;
                 $rownumeration = $j + 1;
                 $linenumbers .= "<span class=\"ilc_LineNumber\">{$rownumeration}</span>";
                 if ($j < $rownums - 1) {
                     $linenumbers .= "\n";
                 }
             }
             $linenumbers .= "</pre>";
             $linenumbers .= "</td>";
         }
         $rows .= $linenumbers . "<td class=\"ilc_Sourcecode\"><pre class=\"ilc_Code\">" . $content . "</pre></td>";
         $rows .= "</tr>";
         // fix for ie explorer which is not able to produce empty line feeds with <br /><br />;
         // workaround: add a space after each br.
         $newcontent = str_replace("\n", "<br/>", $rows);
         // fix for IE
         $newcontent = str_replace("<br/><br/>", "<br/> <br/>", $newcontent);
         // falls drei hintereinander...
         $newcontent = str_replace("<br/><br/>", "<br/> <br/>", $newcontent);
         // workaround for preventing template engine
         // from hiding paragraph text that is enclosed
         // in curly brackets (e.g. "{a}", see ilLMEditorGUI::executeCommand())
         $newcontent = str_replace("{", "&#123;", $newcontent);
         $newcontent = str_replace("}", "&#125;", $newcontent);
         //echo htmlentities($newcontent);
         $a_output = str_replace("[[[[[Code;" . ($i + 1) . "]]]]]", $newcontent, $a_output);
         if ($outputmode != "presentation" && is_object($this->getPage()->getOfflineHandler()) && trim($downloadtitle) != "") {
             // call code handler for offline versions
             $this->getPage()->getOfflineHandler()->handleCodeParagraph($this->getPage()->getId(), $i + 1, $downloadtitle, $plain_content);
         }
     }
     return $a_output;
 }

 /**
  * Perform automatic modifications (may be overwritten by sub classes)
  */
 function performAutomaticModifications()
 {
     if ($this->getGlossaryId() > 0) {
         // we fix glossary links here
         $this->buildDom();
         $xpc = xpath_new_context($this->dom);
         $path = "//IntLink[@Type='GlossaryItem']";
         $res =& xpath_eval($xpc, $path);
         for ($i = 0; $i < count($res->nodeset); $i++) {
             $target = $res->nodeset[$i]->get_attribute("Target");
             //echo "<br>".$target;
             $tarr = explode("_", $target);
             $term_id = $tarr[count($tarr) - 1];
             if (is_int(strpos($target, "__")) && $term_id > 0) {
                 include_once "./Modules/Glossary/classes/class.ilGlossaryTerm.php";
                 //echo "<br>-".ilGlossaryTerm::_lookGlossaryID($term_id)."-".$this->getGlossaryId()."-";
                 if (ilGlossaryTerm::_lookGlossaryID($term_id) != $this->getGlossaryId()) {
                     // copy the glossary term from glossary a to b
                     $new_id = ilGlossaryTerm::_copyTerm($term_id, $this->getGlossaryId());
                     $res->nodeset[$i]->set_attribute("Target", "il__git_" . $new_id);
                 }
             }
         }
     }
     //exit;
 }

 /**
  * Edit data of table
  */
 function editData()
 {
     global $lng, $ilCtrl;
     if (!ilPageEditorGUI::_doJSEditing()) {
         return $this->editDataCl();
     }
     //var_dump($_GET);
     //var_dump($_POST);
     $this->setTabs();
     $this->displayValidationError();
     include_once "./Services/COPage/classes/class.ilPCParagraph.php";
     $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.tabledata2.html", "Services/COPage");
     $dtpl = $this->tpl;
     //$dtpl = new ilTemplate("tpl.tabledata.html", true, true, "Services/COPage");
     $dtpl->setVariable("FORMACTION", $this->ctrl->getFormAction($this, "tableAction"));
     //		$dtpl->setVariable("BB_MENU", $this->getBBMenu("cell_0_0"));
     //		$this->tpl->addJavascript("./Services/COPage/phpBB/3_0_5/editor.js");
     //		$this->tpl->addJavascript("./Services/COPage/js/page_editing.js");
     $this->tpl->setVariable("WYSIWYG_ACTION", $ilCtrl->getFormAction($this, "updateJS"));
     // get all rows
     $xpc = xpath_new_context($this->dom);
     $path = "//PageContent[@HierId='" . $this->getHierId() . "']" . "/Table/TableRow";
     $res =& xpath_eval($xpc, $path);
     for ($i = 0; $i < count($res->nodeset); $i++) {
         $xpc2 = xpath_new_context($this->dom);
         $path2 = "//PageContent[@HierId='" . $this->getHierId() . "']" . "/Table/TableRow[{$i}+1]/TableData";
         $res2 =& xpath_eval($xpc2, $path2);
         // if this is the first row -> col icons
         if ($i == 0) {
             for ($j = 0; $j < count($res2->nodeset); $j++) {
                 if ($j == 0) {
                     $dtpl->touchBlock("empty_td");
                 }
                 if ($j == 0) {
                     if (count($res2->nodeset) == 1) {
                         $move_type = "none";
                     } else {
                         $move_type = "forward";
                     }
                 } else {
                     if ($j == count($res2->nodeset) - 1) {
                         $move_type = "backward";
                     } else {
                         $move_type = "both";
                     }
                 }
                 $dtpl->setCurrentBlock("col_icon");
                 $dtpl->setVariable("COL_ICON_ALT", $lng->txt("content_column"));
                 $dtpl->setVariable("COL_ICON", ilUtil::getImagePath("col.png"));
                 $dtpl->setVariable("COL_ONCLICK", "COL_" . $move_type);
                 $dtpl->setVariable("NR", $j);
                 $dtpl->parseCurrentBlock();
             }
             $dtpl->setCurrentBlock("row");
             $dtpl->parseCurrentBlock();
         }
         for ($j = 0; $j < count($res2->nodeset); $j++) {
             // first col: row icons
             if ($j == 0) {
                 if ($i == 0) {
                     if (count($res->nodeset) == 1) {
                         $move_type = "none";
                     } else {
                         $move_type = "forward";
                     }
                 } else {
                     if ($i == count($res->nodeset) - 1) {
                         $move_type = "backward";
                     } else {
                         $move_type = "both";
                     }
                 }
                 $dtpl->setCurrentBlock("row_icon");
                 $dtpl->setVariable("ROW_ICON_ALT", $lng->txt("content_row"));
                 $dtpl->setVariable("ROW_ICON", ilUtil::getImagePath("row.png"));
                 $dtpl->setVariable("ROW_ONCLICK", "ROW_" . $move_type);
                 $dtpl->setVariable("NR", $i);
                 $dtpl->parseCurrentBlock();
             }
             // cell
             if ($res2->nodeset[$j]->get_attribute("Hidden") != "Y") {
                 $dtpl->setCurrentBlock("cell");
                 if (is_array($_POST["cmd"]) && key($_POST["cmd"]) == "update") {
                     $s_text = ilUtil::stripSlashes("cell_" . $i . "_" . $j, false);
                 } else {
                     $s_text = ilPCParagraph::xml2output($this->content_obj->getCellText($i, $j), true, false);
                     include_once "./Services/COPage/classes/class.ilPCParagraphGUI.php";
                     $s_text = ilPCParagraphGUI::xml2outputJS($s_text, "TableContent", $this->content_obj->readPCId() . "_" . $i . "_" . $j);
                 }
                 $dtpl->setVariable("PAR_TA_NAME", "cell[" . $i . "][" . $j . "]");
                 $dtpl->setVariable("PAR_TA_ID", "cell_" . $i . "_" . $j);
                 $dtpl->setVariable("PAR_TA_CONTENT", $s_text);
                 $cs = $res2->nodeset[$j]->get_attribute("ColSpan");
                 $rs = $res2->nodeset[$j]->get_attribute("RowSpan");
                 $dtpl->setVariable("WIDTH", "140");
                 $dtpl->setVariable("HEIGHT", "80");
                 if ($cs > 1) {
//.........这里部分代码省略.........

 /**
  * get the values as an array from the childtags from the first match of the xpath expression
  *
  * @param    string xpath expression
  * @return   array with key->value of subtags
  * @access   public
  */
 function getXpathChildValues($expr)
 {
     $xpath = $this->xmldoc->xpath_new_context();
     $xnode = xpath_eval($xpath, $expr);
     if (isset($xnode->nodeset[0])) {
         foreach ($xnode->nodeset[0]->children() as $child) {
             $children = $child->children();
             $value[$child->{$this->tagname}] = $children[0]->content;
         }
         return $value;
     }
     return null;
 }

 /**
  * Set data of cells
  */
 function setData($a_data)
 {
     $ok = true;
     //var_dump($a_data);
     if (is_array($a_data)) {
         foreach ($a_data as $i => $row) {
             if (is_array($row)) {
                 foreach ($row as $j => $cell) {
                     //echo "<br><br>=".$cell."=";
                     $temp_dom = @domxml_open_mem('<?xml version="1.0" encoding="UTF-8"?><Paragraph>' . $cell . '</Paragraph>', DOMXML_LOAD_PARSING, $error);
                     $par_node = $this->getCellNode($i, $j);
                     //echo "<br>=".htmlentities($this->dom->dump_node($par_node))."=";
                     //echo "<br>-$i-$j-$cell-";
                     // remove all childs
                     if (empty($error) && is_object($par_node)) {
                         // delete children of paragraph node
                         $children = $par_node->child_nodes();
                         for ($k = 0; $k < count($children); $k++) {
                             $par_node->remove_child($children[$k]);
                         }
                         // copy new content children in paragraph node
                         $xpc = xpath_new_context($temp_dom);
                         $path = "//Paragraph";
                         $res =& xpath_eval($xpc, $path);
                         if (count($res->nodeset) == 1) {
                             $new_par_node =& $res->nodeset[0];
                             $new_childs = $new_par_node->child_nodes();
                             for ($l = 0; $l < count($new_childs); $l++) {
                                 $cloned_child = $new_childs[$l]->clone_node(true);
                                 $par_node->append_child($cloned_child);
                                 //echo "<br>=".htmlentities($this->dom->dump_node($cloned_child))."=";
                             }
                         }
                     } else {
                         if (!empty($error)) {
                             return $error;
                         }
                     }
                 }
             }
         }
     }
     //exit;
     return true;
 }