function htmlDiff($from, $to)
{
// Create an XML parser
$xml_parser = xml_parser_create('');
$domfrom = new DomTreeBuilder();
// Set the functions to handle opening and closing tags
xml_set_element_handler($xml_parser, array($domfrom, "startElement"), array($domfrom, "endElement"));
// Set the function to handle blocks of character data
xml_set_character_data_handler($xml_parser, array($domfrom, "characters"));
HTMLDiffer::diffDebug("Parsing " . strlen($from) . " characters worth of HTML\n");
if (!xml_parse($xml_parser, '<?xml version="1.0" encoding="UTF-8"?>' . Sanitizer::hackDocType() . '<body>', false) || !xml_parse($xml_parser, $from, false) || !xml_parse($xml_parser, '</body>', true)) {
$error = xml_error_string(xml_get_error_code($xml_parser));
$line = xml_get_current_line_number($xml_parser);
$col = xml_get_current_column_number($xml_parser);
HTMLDiffer::diffDebug("XML error: {$error} at line {$line} and column {$col}\n");
}
xml_parser_free($xml_parser);
unset($from);
$xml_parser = xml_parser_create('');
$domto = new DomTreeBuilder();
// Set the functions to handle opening and closing tags
xml_set_element_handler($xml_parser, array($domto, "startElement"), array($domto, "endElement"));
// Set the function to handle blocks of character data
xml_set_character_data_handler($xml_parser, array($domto, "characters"));
HTMLDiffer::diffDebug("Parsing " . strlen($to) . " characters worth of HTML\n");
if (!xml_parse($xml_parser, '<?xml version="1.0" encoding="UTF-8"?>' . Sanitizer::hackDocType() . '<body>', false) || !xml_parse($xml_parser, $to, false) || !xml_parse($xml_parser, '</body>', true)) {
$error = xml_error_string(xml_get_error_code($xml_parser));
$line = xml_get_current_line_number($xml_parser);
$col = xml_get_current_column_number($xml_parser);
HTMLDiffer::diffDebug("XML error: {$error} at line {$line} and column {$col}\n");
}
xml_parser_free($xml_parser);
unset($to);
$diffengine = new WikiDiff3();
$differences = $this->preProcess($diffengine->diff_range($domfrom->getDiffLines(), $domto->getDiffLines()));
unset($xml_parser, $diffengine);
$textNodeDiffer = new TextNodeDiffer($domto, $domfrom);
$currentIndexLeft = 0;
$currentIndexRight = 0;
foreach ($differences as &$d) {
if ($d->leftstart > $currentIndexLeft) {
$textNodeDiffer->handlePossibleChangedPart($currentIndexLeft, $d->leftstart, $currentIndexRight, $d->rightstart);
}
if ($d->leftlength > 0) {
$textNodeDiffer->markAsDeleted($d->leftstart, $d->leftend, $d->rightstart);
}
$textNodeDiffer->markAsNew($d->rightstart, $d->rightend);
$currentIndexLeft = $d->leftend;
$currentIndexRight = $d->rightend;
}
$oldLength = $textNodeDiffer->lengthOld();
if ($currentIndexLeft < $oldLength) {
$textNodeDiffer->handlePossibleChangedPart($currentIndexLeft, $oldLength, $currentIndexRight, $textNodeDiffer->lengthNew());
}
$textNodeDiffer->expandWhiteSpace();
$output = new HTMLOutput('htmldiff');
return $output->parse($textNodeDiffer->bodyNode);
}
function _dump($mixed)
{
//Array
if (is_array($mixed)) {
$arrKeys = array_keys($mixed);
$rtn = "";
$rtn .= HTMLOutput::getStyle("array", "#669900", "#99cc00", "#263300");
$rtn .= HTMLOutput::getHead("array", "Array");
for ($i = 0; $i < count($arrKeys); $i++) {
$rtn .= HTMLOutput::getItem("array", $arrKeys[$i], _dump($mixed[$arrKeys[$i]]));
}
$rtn .= HTMLOutput::getBottom();
return $rtn;
} else {
if (is_object($mixed) && method_exists($mixed, "dump")) {
return $mixed->dump();
} else {
if (is_object($mixed)) {
$className = get_class($mixed);
$vars = get_class_vars($className);
$methods = get_class_methods($mixed);
$rtn = "";
$rtn .= HTMLOutput::getStyle("object", "#b09300", "#f0cc02", "#3f3100");
$rtn .= HTMLOutput::getHead("object", $className);
// vars
/*$rtn.= HTMLOutput::getBigRow("object","Vars(s)");
if($vars)
for($i=0;$i<count($vars);$i++) {
$rtn.= HTMLOutput::getItem("object","String", $vars[$i]);
}*/
// methods
//$rtn.= HTMLOutput::getBigRow("object","Method(s)");
for ($i = 0; $i < count($methods); $i++) {
$rtn .= HTMLOutput::getRow("object", $methods[$i] . "()");
}
$rtn .= HTMLOutput::getBottom();
return $rtn;
} else {
if (is_bool($mixed)) {
$rtn = "";
$rtn .= HTMLOutput::getStyle("simple", "#ff4400", "#ff954f", "#4f1500");
$rtn .= HTMLOutput::smallHead("simple");
$rtn .= HTMLOutput::getItem("simple", "boolean", $mixed ? "yes" : "no");
$rtn .= HTMLOutput::getBottom();
return $rtn;
} else {
if (is_numeric($mixed)) {
$rtn = "";
$rtn .= HTMLOutput::getStyle("simple", "#ff4400", "#ff954f", "#4f1500");
$rtn .= HTMLOutput::smallHead("simple");
$rtn .= HTMLOutput::getItem("simple", "numeric", $mixed);
$rtn .= HTMLOutput::getBottom();
return $rtn;
} else {
$rtn = "";
$rtn .= HTMLOutput::getStyle("simple", "#ff4400", "#ff954f", "#4f1500");
$rtn .= HTMLOutput::smallHead("simple");
$rtn .= HTMLOutput::getItem("simple", "String", $mixed);
$rtn .= HTMLOutput::getBottom();
return $rtn;
}
}
}
}
}
}