/**
* indent a HTML string properly
*
* @param string $html
* @param string $indent optional
* @return string
*/
function indentHTML($html, $indent = " ", $noTagsInCode = false)
{
$parser = new parseHTML();
$parser->noTagsInCode = $noTagsInCode;
$parser->html = $html;
$html = '';
$last = true;
# last tag was block elem
$indent_a = array();
while ($parser->nextNode()) {
if ($parser->nodeType == 'tag') {
$parser->normalizeNode();
}
if ($parser->nodeType == 'tag' && $parser->isBlockElement) {
$isPreOrCode = in_array($parser->tagName, array('code', 'pre'));
if (!$parser->keepWhitespace && !$last && !$isPreOrCode) {
$html = rtrim($html) . "\n";
}
if ($parser->isStartTag) {
$html .= implode($indent_a);
if (!$parser->isEmptyTag) {
array_push($indent_a, $indent);
}
} else {
array_pop($indent_a);
if (!$isPreOrCode) {
$html .= implode($indent_a);
}
}
$html .= $parser->node;
if (!$parser->keepWhitespace && !($isPreOrCode && $parser->isStartTag)) {
$html .= "\n";
}
$last = true;
} else {
if ($parser->nodeType == 'tag' && $parser->tagName == 'br') {
$html .= $parser->node . "\n";
$last = true;
continue;
} elseif ($last && !$parser->keepWhitespace) {
$html .= implode($indent_a);
$parser->node = ltrim($parser->node);
}
$html .= $parser->node;
if (in_array($parser->nodeType, array('comment', 'pi', 'doctype'))) {
$html .= "\n";
} else {
$last = false;
}
}
}
return $html;
}
