/**
* @throws MWException
* @param string|PPNode $root
* @param int $flags
* @return string
*/
public function expand($root, $flags = 0)
{
static $expansionDepth = 0;
if (is_string($root)) {
return $root;
}
if (++$this->parser->mPPNodeCount > $this->parser->mOptions->getMaxPPNodeCount()) {
$this->parser->limitationWarn('node-count-exceeded', $this->parser->mPPNodeCount, $this->parser->mOptions->getMaxPPNodeCount());
return '<span class="error">Node-count limit exceeded</span>';
}
if ($expansionDepth > $this->parser->mOptions->getMaxPPExpandDepth()) {
$this->parser->limitationWarn('expansion-depth-exceeded', $expansionDepth, $this->parser->mOptions->getMaxPPExpandDepth());
return '<span class="error">Expansion depth limit exceeded</span>';
}
++$expansionDepth;
if ($expansionDepth > $this->parser->mHighestExpansionDepth) {
$this->parser->mHighestExpansionDepth = $expansionDepth;
}
$outStack = array('', '');
$iteratorStack = array(false, $root);
$indexStack = array(0, 0);
while (count($iteratorStack) > 1) {
$level = count($outStack) - 1;
$iteratorNode =& $iteratorStack[$level];
$out =& $outStack[$level];
$index =& $indexStack[$level];
if (is_array($iteratorNode)) {
if ($index >= count($iteratorNode)) {
// All done with this iterator
$iteratorStack[$level] = false;
$contextNode = false;
} else {
$contextNode = $iteratorNode[$index];
$index++;
}
} elseif ($iteratorNode instanceof PPNode_Hash_Array) {
if ($index >= $iteratorNode->getLength()) {
// All done with this iterator
$iteratorStack[$level] = false;
$contextNode = false;
} else {
$contextNode = $iteratorNode->item($index);
$index++;
}
} else {
// Copy to $contextNode and then delete from iterator stack,
// because this is not an iterator but we do have to execute it once
$contextNode = $iteratorStack[$level];
$iteratorStack[$level] = false;
}
$newIterator = false;
if ($contextNode === false) {
// nothing to do
} elseif (is_string($contextNode)) {
$out .= $contextNode;
} elseif (is_array($contextNode) || $contextNode instanceof PPNode_Hash_Array) {
$newIterator = $contextNode;
} elseif ($contextNode instanceof PPNode_Hash_Attr) {
// No output
} elseif ($contextNode instanceof PPNode_Hash_Text) {
$out .= $contextNode->value;
} elseif ($contextNode instanceof PPNode_Hash_Tree) {
if ($contextNode->name == 'template') {
# Double-brace expansion
$bits = $contextNode->splitTemplate();
if ($flags & PPFrame::NO_TEMPLATES) {
$newIterator = $this->virtualBracketedImplode('{{', '|', '}}', $bits['title'], $bits['parts']);
} else {
$ret = $this->parser->braceSubstitution($bits, $this);
if (isset($ret['object'])) {
$newIterator = $ret['object'];
} else {
$out .= $ret['text'];
}
}
} elseif ($contextNode->name == 'tplarg') {
# Triple-brace expansion
$bits = $contextNode->splitTemplate();
if ($flags & PPFrame::NO_ARGS) {
$newIterator = $this->virtualBracketedImplode('{{{', '|', '}}}', $bits['title'], $bits['parts']);
} else {
$ret = $this->parser->argSubstitution($bits, $this);
if (isset($ret['object'])) {
$newIterator = $ret['object'];
} else {
$out .= $ret['text'];
}
}
} elseif ($contextNode->name == 'comment') {
# HTML-style comment
# Remove it in HTML, pre+remove and STRIP_COMMENTS modes
# Not in RECOVER_COMMENTS mode (msgnw) though.
if (($this->parser->ot['html'] || $this->parser->ot['pre'] && $this->parser->mOptions->getRemoveComments() || $flags & PPFrame::STRIP_COMMENTS) && !($flags & PPFrame::RECOVER_COMMENTS)) {
$out .= '';
} elseif ($this->parser->ot['wiki'] && !($flags & PPFrame::RECOVER_COMMENTS)) {
# Add a strip marker in PST mode so that pstPass2() can
# run some old-fashioned regexes on the result.
# Not in RECOVER_COMMENTS mode (extractSections) though.
$out .= $this->parser->insertStripItem($contextNode->firstChild->value);
} else {
# Recover the literal comment in RECOVER_COMMENTS and pre+no-remove
$out .= $contextNode->firstChild->value;
}
} elseif ($contextNode->name == 'ignore') {
# Output suppression used by <includeonly> etc.
# OT_WIKI will only respect <ignore> in substed templates.
# The other output types respect it unless NO_IGNORE is set.
# extractSections() sets NO_IGNORE and so never respects it.
if (!isset($this->parent) && $this->parser->ot['wiki'] || $flags & PPFrame::NO_IGNORE) {
$out .= $contextNode->firstChild->value;
} else {
// $out .= '';
}
} elseif ($contextNode->name == 'ext') {
# Extension tag
$bits = $contextNode->splitExt() + array('attr' => null, 'inner' => null, 'close' => null);
if ($flags & PPFrame::NO_TAGS) {
$s = '<' . $bits['name']->firstChild->value;
if ($bits['attr']) {
$s .= $bits['attr']->firstChild->value;
}
if ($bits['inner']) {
$s .= '>' . $bits['inner']->firstChild->value;
if ($bits['close']) {
$s .= $bits['close']->firstChild->value;
}
} else {
$s .= '/>';
}
$out .= $s;
} else {
$out .= $this->parser->extensionSubstitution($bits, $this);
}
} elseif ($contextNode->name == 'h') {
# Heading
if ($this->parser->ot['html']) {
# Expand immediately and insert heading index marker
$s = '';
for ($node = $contextNode->firstChild; $node; $node = $node->nextSibling) {
$s .= $this->expand($node, $flags);
}
$bits = $contextNode->splitHeading();
$titleText = $this->title->getPrefixedDBkey();
$this->parser->mHeadings[] = array($titleText, $bits['i']);
$serial = count($this->parser->mHeadings) - 1;
$marker = Parser::MARKER_PREFIX . "-h-{$serial}-" . Parser::MARKER_SUFFIX;
$s = substr($s, 0, $bits['level']) . $marker . substr($s, $bits['level']);
$this->parser->mStripState->addGeneral($marker, '');
$out .= $s;
} else {
# Expand in virtual stack
$newIterator = $contextNode->getChildren();
}
} else {
# Generic recursive expansion
$newIterator = $contextNode->getChildren();
}
} else {
throw new MWException(__METHOD__ . ': Invalid parameter type');
}
if ($newIterator !== false) {
$outStack[] = '';
$iteratorStack[] = $newIterator;
$indexStack[] = 0;
} elseif ($iteratorStack[$level] === false) {
// Return accumulated value to parent
// With tail recursion
while ($iteratorStack[$level] === false && $level > 0) {
$outStack[$level - 1] .= $out;
array_pop($outStack);
array_pop($iteratorStack);
array_pop($indexStack);
$level--;
}
}
}
--$expansionDepth;
return $outStack[0];
}
/**
* @throws MWException
* @param string|PPNode_DOM|DOMDocument $root
* @param int $flags
* @return string
*/
public function expand($root, $flags = 0)
{
static $expansionDepth = 0;
if (is_string($root)) {
return $root;
}
if (++$this->parser->mPPNodeCount > $this->parser->mOptions->getMaxPPNodeCount()) {
$this->parser->limitationWarn('node-count-exceeded', $this->parser->mPPNodeCount, $this->parser->mOptions->getMaxPPNodeCount());
return '<span class="error">Node-count limit exceeded</span>';
}
if ($expansionDepth > $this->parser->mOptions->getMaxPPExpandDepth()) {
$this->parser->limitationWarn('expansion-depth-exceeded', $expansionDepth, $this->parser->mOptions->getMaxPPExpandDepth());
return '<span class="error">Expansion depth limit exceeded</span>';
}
++$expansionDepth;
if ($expansionDepth > $this->parser->mHighestExpansionDepth) {
$this->parser->mHighestExpansionDepth = $expansionDepth;
}
if ($root instanceof PPNode_DOM) {
$root = $root->node;
}
if ($root instanceof DOMDocument) {
$root = $root->documentElement;
}
$outStack = array('', '');
$iteratorStack = array(false, $root);
$indexStack = array(0, 0);
while (count($iteratorStack) > 1) {
$level = count($outStack) - 1;
$iteratorNode =& $iteratorStack[$level];
$out =& $outStack[$level];
$index =& $indexStack[$level];
if ($iteratorNode instanceof PPNode_DOM) {
$iteratorNode = $iteratorNode->node;
}
if (is_array($iteratorNode)) {
if ($index >= count($iteratorNode)) {
// All done with this iterator
$iteratorStack[$level] = false;
$contextNode = false;
} else {
$contextNode = $iteratorNode[$index];
$index++;
}
} elseif ($iteratorNode instanceof DOMNodeList) {
if ($index >= $iteratorNode->length) {
// All done with this iterator
$iteratorStack[$level] = false;
$contextNode = false;
} else {
$contextNode = $iteratorNode->item($index);
$index++;
}
} else {
// Copy to $contextNode and then delete from iterator stack,
// because this is not an iterator but we do have to execute it once
$contextNode = $iteratorStack[$level];
$iteratorStack[$level] = false;
}
if ($contextNode instanceof PPNode_DOM) {
$contextNode = $contextNode->node;
}
$newIterator = false;
if ($contextNode === false) {
// nothing to do
} elseif (is_string($contextNode)) {
$out .= $contextNode;
} elseif (is_array($contextNode) || $contextNode instanceof DOMNodeList) {
$newIterator = $contextNode;
} elseif ($contextNode instanceof DOMNode) {
if ($contextNode->nodeType == XML_TEXT_NODE) {
$out .= $contextNode->nodeValue;
} elseif ($contextNode->nodeName == 'template') {
# Double-brace expansion
$xpath = new DOMXPath($contextNode->ownerDocument);
$titles = $xpath->query('title', $contextNode);
$title = $titles->item(0);
$parts = $xpath->query('part', $contextNode);
if ($flags & PPFrame::NO_TEMPLATES) {
$newIterator = $this->virtualBracketedImplode('{{', '|', '}}', $title, $parts);
} else {
$lineStart = $contextNode->getAttribute('lineStart');
$params = array('title' => new PPNode_DOM($title), 'parts' => new PPNode_DOM($parts), 'lineStart' => $lineStart);
$ret = $this->parser->braceSubstitution($params, $this);
if (isset($ret['object'])) {
$newIterator = $ret['object'];
} else {
$out .= $ret['text'];
}
}
} elseif ($contextNode->nodeName == 'tplarg') {
# Triple-brace expansion
$xpath = new DOMXPath($contextNode->ownerDocument);
$titles = $xpath->query('title', $contextNode);
$title = $titles->item(0);
$parts = $xpath->query('part', $contextNode);
if ($flags & PPFrame::NO_ARGS) {
$newIterator = $this->virtualBracketedImplode('{{{', '|', '}}}', $title, $parts);
} else {
$params = array('title' => new PPNode_DOM($title), 'parts' => new PPNode_DOM($parts));
$ret = $this->parser->argSubstitution($params, $this);
if (isset($ret['object'])) {
$newIterator = $ret['object'];
} else {
$out .= $ret['text'];
}
}
} elseif ($contextNode->nodeName == 'comment') {
# HTML-style comment
# Remove it in HTML, pre+remove and STRIP_COMMENTS modes
# Not in RECOVER_COMMENTS mode (msgnw) though.
if (($this->parser->ot['html'] || $this->parser->ot['pre'] && $this->parser->mOptions->getRemoveComments() || $flags & PPFrame::STRIP_COMMENTS) && !($flags & PPFrame::RECOVER_COMMENTS)) {
$out .= '';
} elseif ($this->parser->ot['wiki'] && !($flags & PPFrame::RECOVER_COMMENTS)) {
# Add a strip marker in PST mode so that pstPass2() can
# run some old-fashioned regexes on the result.
# Not in RECOVER_COMMENTS mode (extractSections) though.
$out .= $this->parser->insertStripItem($contextNode->textContent);
} else {
# Recover the literal comment in RECOVER_COMMENTS and pre+no-remove
$out .= $contextNode->textContent;
}
} elseif ($contextNode->nodeName == 'ignore') {
# Output suppression used by <includeonly> etc.
# OT_WIKI will only respect <ignore> in substed templates.
# The other output types respect it unless NO_IGNORE is set.
# extractSections() sets NO_IGNORE and so never respects it.
if (!isset($this->parent) && $this->parser->ot['wiki'] || $flags & PPFrame::NO_IGNORE) {
$out .= $contextNode->textContent;
} else {
$out .= '';
}
} elseif ($contextNode->nodeName == 'ext') {
# Extension tag
$xpath = new DOMXPath($contextNode->ownerDocument);
$names = $xpath->query('name', $contextNode);
$attrs = $xpath->query('attr', $contextNode);
$inners = $xpath->query('inner', $contextNode);
$closes = $xpath->query('close', $contextNode);
if ($flags & PPFrame::NO_TAGS) {
$s = '<' . $this->expand($names->item(0), $flags);
if ($attrs->length > 0) {
$s .= $this->expand($attrs->item(0), $flags);
}
if ($inners->length > 0) {
$s .= '>' . $this->expand($inners->item(0), $flags);
if ($closes->length > 0) {
$s .= $this->expand($closes->item(0), $flags);
}
} else {
$s .= '/>';
}
$out .= $s;
} else {
$params = array('name' => new PPNode_DOM($names->item(0)), 'attr' => $attrs->length > 0 ? new PPNode_DOM($attrs->item(0)) : null, 'inner' => $inners->length > 0 ? new PPNode_DOM($inners->item(0)) : null, 'close' => $closes->length > 0 ? new PPNode_DOM($closes->item(0)) : null);
$out .= $this->parser->extensionSubstitution($params, $this);
}
} elseif ($contextNode->nodeName == 'h') {
# Heading
$s = $this->expand($contextNode->childNodes, $flags);
# Insert a heading marker only for <h> children of <root>
# This is to stop extractSections from going over multiple tree levels
if ($contextNode->parentNode->nodeName == 'root' && $this->parser->ot['html']) {
# Insert heading index marker
$headingIndex = $contextNode->getAttribute('i');
$titleText = $this->title->getPrefixedDBkey();
$this->parser->mHeadings[] = array($titleText, $headingIndex);
$serial = count($this->parser->mHeadings) - 1;
$marker = Parser::MARKER_PREFIX . "-h-{$serial}-" . Parser::MARKER_SUFFIX;
$count = $contextNode->getAttribute('level');
$s = substr($s, 0, $count) . $marker . substr($s, $count);
$this->parser->mStripState->addGeneral($marker, '');
}
$out .= $s;
} else {
# Generic recursive expansion
$newIterator = $contextNode->childNodes;
}
} else {
throw new MWException(__METHOD__ . ': Invalid parameter type');
}
if ($newIterator !== false) {
if ($newIterator instanceof PPNode_DOM) {
$newIterator = $newIterator->node;
}
$outStack[] = '';
$iteratorStack[] = $newIterator;
$indexStack[] = 0;
} elseif ($iteratorStack[$level] === false) {
// Return accumulated value to parent
// With tail recursion
while ($iteratorStack[$level] === false && $level > 0) {
$outStack[$level - 1] .= $out;
array_pop($outStack);
array_pop($iteratorStack);
array_pop($indexStack);
$level--;
}
}
}
--$expansionDepth;
return $outStack[0];
}
/**
* @throws MWException
* @param $root
* @param $flags int
* @return string
*/
function expand($root, $flags = 0)
{
static $expansionDepth = 0;
if (is_string($root)) {
return $root;
}
if (++$this->parser->mPPNodeCount > $this->parser->mOptions->getMaxPPNodeCount()) {
return '<span class="error">Node-count limit exceeded</span>';
}
if ($expansionDepth > $this->parser->mOptions->getMaxPPExpandDepth()) {
return '<span class="error">Expansion depth limit exceeded</span>';
}
wfProfileIn(__METHOD__);
++$expansionDepth;
if ($root instanceof PPNode_DOM) {
$root = $root->node;
}
if ($root instanceof DOMDocument) {
$root = $root->documentElement;
}
$outStack = array('', '');
$iteratorStack = array(false, $root);
$indexStack = array(0, 0);
$RTEext_1 = false;
$RTEext_2 = false;
while (count($iteratorStack) > 1) {
if ($RTEext_1) {
$RTEext_1 = false;
$RTEext_2 = true;
}
$level = count($outStack) - 1;
$iteratorNode =& $iteratorStack[$level];
$out =& $outStack[$level];
$index =& $indexStack[$level];
if ($iteratorNode instanceof PPNode_DOM) {
$iteratorNode = $iteratorNode->node;
}
if (is_array($iteratorNode)) {
if ($index >= count($iteratorNode)) {
// All done with this iterator
$iteratorStack[$level] = false;
$contextNode = false;
} else {
$contextNode = $iteratorNode[$index];
$index++;
}
} elseif ($iteratorNode instanceof DOMNodeList) {
if ($index >= $iteratorNode->length) {
// All done with this iterator
$iteratorStack[$level] = false;
$contextNode = false;
} else {
$contextNode = $iteratorNode->item($index);
$index++;
}
} else {
// Copy to $contextNode and then delete from iterator stack,
// because this is not an iterator but we do have to execute it once
$contextNode = $iteratorStack[$level];
$iteratorStack[$level] = false;
}
if ($contextNode instanceof PPNode_DOM) {
$contextNode = $contextNode->node;
}
$newIterator = false;
if ($contextNode === false) {
// nothing to do
} elseif (is_string($contextNode)) {
$out .= $contextNode;
} elseif (is_array($contextNode) || $contextNode instanceof DOMNodeList) {
$newIterator = $contextNode;
} elseif ($contextNode instanceof DOMNode) {
if ($contextNode->nodeType == XML_TEXT_NODE) {
# RTE (Rich Text Editor) - begin
global $wgRTEParserEnabled;
if (!empty($wgRTEParserEnabled)) {
if ($RTEext_2) {
if (strpos($contextNode->nodeValue, 'table') !== false) {
RTE::$edgeCases[] = 'COMPLEX.11';
}
}
}
# RTE - end
$out .= $contextNode->nodeValue;
} elseif ($contextNode->nodeName == 'template') {
# Double-brace expansion
$xpath = new DOMXPath($contextNode->ownerDocument);
$titles = $xpath->query('title', $contextNode);
$title = $titles->item(0);
$parts = $xpath->query('part', $contextNode);
# RTE (Rich Text Editor) - begin
# @author: Inez Korczyński
global $wgRTEParserEnabled;
if (!empty($wgRTEParserEnabled)) {
$dataIdx = RTEData::put('placeholder', array('type' => 'double-brackets', 'wikitextIdx' => $contextNode->getAttribute('_rte_wikitextidx'), 'lineStart' => $contextNode->getAttribute('lineStart'), 'title' => $title->textContent));
$out .= RTEMarker::generate(RTEMarker::PLACEHOLDER, $dataIdx);
} else {
if ($flags & PPFrame::NO_TEMPLATES) {
$newIterator = $this->virtualBracketedImplode('{{', '|', '}}', $title, $parts);
} else {
$lineStart = $contextNode->getAttribute('lineStart');
$params = array('title' => new PPNode_DOM($title), 'parts' => new PPNode_DOM($parts), 'lineStart' => $lineStart);
$ret = $this->parser->braceSubstitution($params, $this);
if (isset($ret['object'])) {
$newIterator = $ret['object'];
} else {
$out .= $ret['text'];
}
}
}
# RTE - end
} elseif ($contextNode->nodeName == 'tplarg') {
# Triple-brace expansion
$xpath = new DOMXPath($contextNode->ownerDocument);
$titles = $xpath->query('title', $contextNode);
$title = $titles->item(0);
$parts = $xpath->query('part', $contextNode);
# RTE (Rich Text Editor) - begin
# @author: Wladyslaw Bodzek
global $wgRTEParserEnabled;
if (!empty($wgRTEParserEnabled)) {
//var_dump($contextNode->getAttribute('_rte_wikitextidx'));
$dataIdx = RTEData::put('placeholder', array('type' => 'tplarg', 'wikitextIdx' => $contextNode->getAttribute('_rte_wikitextidx'), 'lineStart' => $contextNode->getAttribute('lineStart'), 'title' => $title->textContent));
$out .= RTEMarker::generate(RTEMarker::PLACEHOLDER, $dataIdx);
} else {
if ($flags & PPFrame::NO_ARGS) {
$newIterator = $this->virtualBracketedImplode('{{{', '|', '}}}', $title, $parts);
} else {
$params = array('title' => new PPNode_DOM($title), 'parts' => new PPNode_DOM($parts));
$ret = $this->parser->argSubstitution($params, $this);
if (isset($ret['object'])) {
$newIterator = $ret['object'];
} else {
$out .= $ret['text'];
}
}
}
# RTE - end
} elseif ($contextNode->nodeName == 'comment') {
# HTML-style comment
# Remove it in HTML, pre+remove and STRIP_COMMENTS modes
if ($this->parser->ot['html'] || $this->parser->ot['pre'] && $this->parser->mOptions->getRemoveComments() || $flags & PPFrame::STRIP_COMMENTS) {
# RTE (Rich Text Editor) - begin
# @author: Inez Korczyński
global $wgRTEParserEnabled;
if (!empty($wgRTEParserEnabled)) {
if (strlen($out) === 0 || substr($out, -1) == "\n") {
if (substr($contextNode->textContent, -1) == "\n") {
$add = "\n";
$text = substr($contextNode->textContent, 0, -1);
} else {
$add = "";
$text = $contextNode->textContent;
}
$dataIdx = RTEData::put('placeholder', array('type' => 'comment', 'wikitext' => $text));
$out .= RTEMarker::generate(RTEMarker::PLACEHOLDER, $dataIdx) . $add;
} else {
RTE::$edgeCases[] = 'COMMENT';
$out .= '';
}
} else {
$out .= '';
}
# RTE - end
} elseif ($this->parser->ot['wiki'] && !($flags & PPFrame::RECOVER_COMMENTS)) {
$out .= $this->parser->insertStripItem($contextNode->textContent);
} else {
$out .= $contextNode->textContent;
}
} elseif ($contextNode->nodeName == 'ignore') {
# Output suppression used by <includeonly> etc.
# OT_WIKI will only respect <ignore> in substed templates.
# The other output types respect it unless NO_IGNORE is set.
# extractSections() sets NO_IGNORE and so never respects it.
if (!isset($this->parent) && $this->parser->ot['wiki'] || $flags & PPFrame::NO_IGNORE) {
$out .= $contextNode->textContent;
} else {
$out .= '';
}
} elseif ($contextNode->nodeName == 'ext') {
# Extension tag
$xpath = new DOMXPath($contextNode->ownerDocument);
$names = $xpath->query('name', $contextNode);
$attrs = $xpath->query('attr', $contextNode);
$inners = $xpath->query('inner', $contextNode);
$closes = $xpath->query('close', $contextNode);
$params = array('name' => new PPNode_DOM($names->item(0)), 'attr' => $attrs->length > 0 ? new PPNode_DOM($attrs->item(0)) : null, 'inner' => $inners->length > 0 ? new PPNode_DOM($inners->item(0)) : null, 'close' => $closes->length > 0 ? new PPNode_DOM($closes->item(0)) : null);
$out .= $this->parser->extensionSubstitution($params, $this);
$RTEext_1 = true;
} elseif ($contextNode->nodeName == 'h') {
# Heading
$s = $this->expand($contextNode->childNodes, $flags);
# Insert a heading marker only for <h> children of <root>
# This is to stop extractSections from going over multiple tree levels
if ($contextNode->parentNode->nodeName == 'root' && $this->parser->ot['html']) {
# Insert heading index marker
$headingIndex = $contextNode->getAttribute('i');
$titleText = $this->title->getPrefixedDBkey();
$this->parser->mHeadings[] = array($titleText, $headingIndex);
$serial = count($this->parser->mHeadings) - 1;
$marker = "{$this->parser->mUniqPrefix}-h-{$serial}-" . Parser::MARKER_SUFFIX;
$count = $contextNode->getAttribute('level');
$s = substr($s, 0, $count) . $marker . substr($s, $count);
$this->parser->mStripState->addGeneral($marker, '');
}
$out .= $s;
} else {
# Generic recursive expansion
$newIterator = $contextNode->childNodes;
}
} else {
wfProfileOut(__METHOD__);
throw new MWException(__METHOD__ . ': Invalid parameter type');
}
if ($newIterator !== false) {
if ($newIterator instanceof PPNode_DOM) {
$newIterator = $newIterator->node;
}
$outStack[] = '';
$iteratorStack[] = $newIterator;
$indexStack[] = 0;
} elseif ($iteratorStack[$level] === false) {
// Return accumulated value to parent
// With tail recursion
while ($iteratorStack[$level] === false && $level > 0) {
$outStack[$level - 1] .= $out;
array_pop($outStack);
array_pop($iteratorStack);
array_pop($indexStack);
$level--;
}
}
$RTEext_2 = false;
}
--$expansionDepth;
wfProfileOut(__METHOD__);
return $outStack[0];
}