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<?php

define('HDOM_TYPE_ELEMENT', 1);
define('HDOM_TYPE_COMMENT', 2);
define('HDOM_TYPE_TEXT', 3);
define('HDOM_TYPE_ENDTAG', 4);
define('HDOM_TYPE_ROOT', 5);
define('HDOM_TYPE_UNKNOWN', 6);
define('HDOM_QUOTE_DOUBLE', 0);
define('HDOM_QUOTE_SINGLE', 1);
define('HDOM_QUOTE_NO', 3);
define('HDOM_INFO_BEGIN', 0);
define('HDOM_INFO_END', 1);
define('HDOM_INFO_QUOTE', 2);
define('HDOM_INFO_SPACE', 3);
define('HDOM_INFO_TEXT', 4);
define('HDOM_INFO_INNER', 5);
define('HDOM_INFO_OUTER', 6);
define('HDOM_INFO_ENDSPACE', 7);
defined('DEFAULT_TARGET_CHARSET') || define('DEFAULT_TARGET_CHARSET', 'UTF-8');
defined('DEFAULT_BR_TEXT') || define('DEFAULT_BR_TEXT', "\r\n");
defined('DEFAULT_SPAN_TEXT') || define('DEFAULT_SPAN_TEXT', ' ');
defined('MAX_FILE_SIZE') || define('MAX_FILE_SIZE', 600000);
define('HDOM_SMARTY_AS_TEXT', 1);
function file_get_html($url, $use_include_path = false, $context = null, $offset = 0, $maxLen = -1, $lowercase = true, $forceTagsClosed = true, $target_charset = DEFAULT_TARGET_CHARSET, $stripRN = true, $defaultBRText = DEFAULT_BR_TEXT, $defaultSpanText = DEFAULT_SPAN_TEXT)
{
    if ($maxLen <= 0) {
        $maxLen = MAX_FILE_SIZE;
    }
    $dom = new simple_html_dom(null, $lowercase, $forceTagsClosed, $target_charset, $stripRN, $defaultBRText, $defaultSpanText);
    $contents = file_get_contents($url, $use_include_path, $context, $offset, $maxLen);
    if (empty($contents) || strlen($contents) > $maxLen) {
        $dom->clear();
        return false;
    }
    return $dom->load($contents, $lowercase, $stripRN);
}
function str_get_html($str, $lowercase = true, $forceTagsClosed = true, $target_charset = DEFAULT_TARGET_CHARSET, $stripRN = true, $defaultBRText = DEFAULT_BR_TEXT, $defaultSpanText = DEFAULT_SPAN_TEXT)
{
    $dom = new simple_html_dom(null, $lowercase, $forceTagsClosed, $target_charset, $stripRN, $defaultBRText, $defaultSpanText);
    if (empty($str) || strlen($str) > MAX_FILE_SIZE) {
        $dom->clear();
        return false;
    }
    return $dom->load($str, $lowercase, $stripRN);
}
function dump_html_tree($node, $show_attr = true, $deep = 0)
{
    $node->dump($node);
}
class simple_html_dom_node
{
    public $nodetype = HDOM_TYPE_TEXT;
    public $tag = 'text';
    public $attr = array();
    public $children = array();
    public $nodes = array();
    public $parent = null;
    public $_ = array();
    public $tag_start = 0;
    private $dom = null;
    function __construct($dom)
    {
        $this->dom = $dom;
        $dom->nodes[] = $this;
    }
    function __destruct()
    {
        $this->clear();
    }
    function __toString()
    {
        return $this->outertext();
    }
    function clear()
    {
        $this->dom = null;
        $this->nodes = null;
        $this->parent = null;
        $this->children = null;
    }
    function dump($show_attr = true, $depth = 0)
    {
        echo str_repeat("\t", $depth) . $this->tag;
        if ($show_attr && count($this->attr) > 0) {
            echo '(';
            foreach ($this->attr as $k => $v) {
                echo "[{$k}]=>\"{$v}\", ";
            }
            echo ')';
        }
        echo "\n";
        if ($this->nodes) {
            foreach ($this->nodes as $node) {
                $node->dump($show_attr, $depth + 1);
            }
        }
    }
    function dump_node($echo = true)
    {
        $string = $this->tag;
        if (count($this->attr) > 0) {
            $string .= '(';
            foreach ($this->attr as $k => $v) {
                $string .= "[{$k}]=>\"{$v}\", ";
            }
            $string .= ')';
        }
        if (count($this->_) > 0) {
            $string .= ' $_ (';
            foreach ($this->_ as $k => $v) {
                if (is_array($v)) {
                    $string .= "[{$k}]=>(";
                    foreach ($v as $k2 => $v2) {
                        $string .= "[{$k2}]=>\"{$v2}\", ";
                    }
                    $string .= ')';
                } else {
                    $string .= "[{$k}]=>\"{$v}\", ";
                }
            }
            $string .= ')';
        }
        if (isset($this->text)) {
            $string .= " text: ({$this->text})";
        }
        $string .= ' HDOM_INNER_INFO: ';
        if (isset($node->_[HDOM_INFO_INNER])) {
            $string .= "'" . $node->_[HDOM_INFO_INNER] . "'";
        } else {
            $string .= ' NULL ';
        }
        $string .= ' children: ' . count($this->children);
        $string .= ' nodes: ' . count($this->nodes);
        $string .= ' tag_start: ' . $this->tag_start;
        $string .= "\n";
        if ($echo) {
            echo $string;
            return;
        } else {
            return $string;
        }
    }
    function parent($parent = null)
    {
        if ($parent !== null) {
            $this->parent = $parent;
            $this->parent->nodes[] = $this;
            $this->parent->children[] = $this;
        }
        return $this->parent;
    }
    function has_child()
    {
        return !empty($this->children);
    }
    function children($idx = -1)
    {
        if ($idx === -1) {
            return $this->children;
        }
        if (isset($this->children[$idx])) {
            return $this->children[$idx];
        }
        return null;
    }
    function first_child()
    {
        if (count($this->children) > 0) {
            return $this->children[0];
        }
        return null;
    }
    function last_child()
    {
        if (count($this->children) > 0) {
            return end($this->children);
        }
        return null;
    }
    function next_sibling()
    {
        if ($this->parent === null) {
            return null;
        }
        $idx = array_search($this, $this->parent->children, true);
        if ($idx !== false && isset($this->parent->children[$idx + 1])) {
            return $this->parent->children[$idx + 1];
        }
        return null;
    }
    function prev_sibling()
    {
        if ($this->parent === null) {
            return null;
        }
        $idx = array_search($this, $this->parent->children, true);
        if ($idx !== false && $idx > 0) {
            return $this->parent->children[$idx - 1];
        }
        return null;
    }
    function find_ancestor_tag($tag)
    {
        global $debug_object;
        if (is_object($debug_object)) {
            $debug_object->debug_log_entry(1);
        }
        if ($this->parent === null) {
            return null;
        }
        $ancestor = $this->parent;
        while (!is_null($ancestor)) {
            if (is_object($debug_object)) {
                $debug_object->debug_log(2, 'Current tag is: ' . $ancestor->tag);
            }
            if ($ancestor->tag === $tag) {
                break;
            }
            $ancestor = $ancestor->parent;
        }
        return $ancestor;
    }
    function innertext()
    {
        if (isset($this->_[HDOM_INFO_INNER])) {
            return $this->_[HDOM_INFO_INNER];
        }
        if (isset($this->_[HDOM_INFO_TEXT])) {
            return $this->dom->restore_noise($this->_[HDOM_INFO_TEXT]);
        }
        $ret = '';
        foreach ($this->nodes as $n) {
            $ret .= $n->outertext();
        }
        return $ret;
    }
    function outertext()
    {
        global $debug_object;
        if (is_object($debug_object)) {
            $text = '';
            if ($this->tag === 'text') {
                if (!empty($this->text)) {
                    $text = ' with text: ' . $this->text;
                }
            }
            $debug_object->debug_log(1, 'Innertext of tag: ' . $this->tag . $text);
        }
        if ($this->tag === 'root') {
            return $this->innertext();
        }
        if ($this->dom && $this->dom->callback !== null) {
            call_user_func_array($this->dom->callback, array($this));
        }
        if (isset($this->_[HDOM_INFO_OUTER])) {
            return $this->_[HDOM_INFO_OUTER];
        }
        if (isset($this->_[HDOM_INFO_TEXT])) {
            return $this->dom->restore_noise($this->_[HDOM_INFO_TEXT]);
        }
        $ret = '';
        if ($this->dom && $this->dom->nodes[$this->_[HDOM_INFO_BEGIN]]) {
            $ret = $this->dom->nodes[$this->_[HDOM_INFO_BEGIN]]->makeup();
        }
        if (isset($this->_[HDOM_INFO_INNER])) {
            if ($this->tag !== 'br') {
                $ret .= $this->_[HDOM_INFO_INNER];
            }
        } elseif ($this->nodes) {
            foreach ($this->nodes as $n) {
                $ret .= $this->convert_text($n->outertext());
            }
        }
        if (isset($this->_[HDOM_INFO_END]) && $this->_[HDOM_INFO_END] != 0) {
            $ret .= '</' . $this->tag . '>';
        }
        return $ret;
    }
    function text()
    {
        if (isset($this->_[HDOM_INFO_INNER])) {
            return $this->_[HDOM_INFO_INNER];
        }
        switch ($this->nodetype) {
            case HDOM_TYPE_TEXT:
                return $this->dom->restore_noise($this->_[HDOM_INFO_TEXT]);
            case HDOM_TYPE_COMMENT:
                return '';
            case HDOM_TYPE_UNKNOWN:
                return '';
        }
        if (strcasecmp($this->tag, 'script') === 0) {
            return '';
        }
        if (strcasecmp($this->tag, 'style') === 0) {
            return '';
        }
        $ret = '';
        if (!is_null($this->nodes)) {
            foreach ($this->nodes as $n) {
                if ($n->tag === 'p') {
                    $ret = trim($ret) . "\n\n";
                }
                $ret .= $this->convert_text($n->text());
                if ($n->tag === 'span') {
                    $ret .= $this->dom->default_span_text;
                }
            }
        }
        return $ret;
    }
    function xmltext()
    {
        $ret = $this->innertext();
        $ret = str_ireplace('<![CDATA[', '', $ret);
        $ret = str_replace(']]>', '', $ret);
        return $ret;
    }
    function makeup()
    {
        if (isset($this->_[HDOM_INFO_TEXT])) {
            return $this->dom->restore_noise($this->_[HDOM_INFO_TEXT]);
        }
        $ret = '<' . $this->tag;
        $i = -1;
        foreach ($this->attr as $key => $val) {
            ++$i;
            if ($val === null || $val === false) {
                continue;
            }
            $ret .= $this->_[HDOM_INFO_SPACE][$i][0];
            if ($val === true) {
                $ret .= $key;
            } else {
                switch ($this->_[HDOM_INFO_QUOTE][$i]) {
                    case HDOM_QUOTE_DOUBLE:
                        $quote = '"';
                        break;
                    case HDOM_QUOTE_SINGLE:
                        $quote = '\'';
                        break;
                    default:
                        $quote = '';
                }
                $ret .= $key . $this->_[HDOM_INFO_SPACE][$i][1] . '=' . $this->_[HDOM_INFO_SPACE][$i][2] . $quote . $val . $quote;
            }
        }
        $ret = $this->dom->restore_noise($ret);
        return $ret . $this->_[HDOM_INFO_ENDSPACE] . '>';
    }
    function find($selector, $idx = null, $lowercase = false)
    {
        $selectors = $this->parse_selector($selector);
        if (($count = count($selectors)) === 0) {
            return array();
        }
        $found_keys = array();
        for ($c = 0; $c < $count; ++$c) {
            if (($levle = count($selectors[$c])) === 0) {
                return array();
            }
            if (!isset($this->_[HDOM_INFO_BEGIN])) {
                return array();
            }
            $head = array($this->_[HDOM_INFO_BEGIN] => 1);
            $cmd = ' ';
            for ($l = 0; $l < $levle; ++$l) {
                $ret = array();
                foreach ($head as $k => $v) {
                    $n = $k === -1 ? $this->dom->root : $this->dom->nodes[$k];
                    $n->seek($selectors[$c][$l], $ret, $cmd, $lowercase);
                }
                $head = $ret;
                $cmd = $selectors[$c][$l][4];
            }
            foreach ($head as $k => $v) {
                if (!isset($found_keys[$k])) {
                    $found_keys[$k] = 1;
                }
            }
        }
        ksort($found_keys);
        $found = array();
        foreach ($found_keys as $k => $v) {
            $found[] = $this->dom->nodes[$k];
        }
        if (is_null($idx)) {
            return $found;
        } elseif ($idx < 0) {
            $idx = count($found) + $idx;
        }
        return isset($found[$idx]) ? $found[$idx] : null;
    }
    protected function seek($selector, &$ret, $parent_cmd, $lowercase = false)
    {
        global $debug_object;
        if (is_object($debug_object)) {
            $debug_object->debug_log_entry(1);
        }
        list($tag, $id, $class, $attributes, $cmb) = $selector;
        $nodes = array();
        if ($parent_cmd === ' ') {
            $end = !empty($this->_[HDOM_INFO_END]) ? $this->_[HDOM_INFO_END] : 0;
            if ($end == 0) {
                $parent = $this->parent;
                while (!isset($parent->_[HDOM_INFO_END]) && $parent !== null) {
                    $end -= 1;
                    $parent = $parent->parent;
                }
                $end += $parent->_[HDOM_INFO_END];
            }
            $nodes_start = $this->_[HDOM_INFO_BEGIN] + 1;
            $nodes_count = $end - $nodes_start;
            $nodes = array_slice($this->dom->nodes, $nodes_start, $nodes_count, true);
        } elseif ($parent_cmd === '>') {
            $nodes = $this->children;
        } elseif ($parent_cmd === '+' && $this->parent && in_array($this, $this->parent->children)) {
            $index = array_search($this, $this->parent->children, true) + 1;
            if ($index < count($this->parent->children)) {
                $nodes[] = $this->parent->children[$index];
            }
        } elseif ($parent_cmd === '~' && $this->parent && in_array($this, $this->parent->children)) {
            $index = array_search($this, $this->parent->children, true);
            $nodes = array_slice($this->parent->children, $index);
        }
        foreach ($nodes as $node) {
            $pass = true;
            if (!$node->parent) {
                $pass = false;
            }
            if ($pass && $tag === 'text' && $node->tag === 'text') {
                $ret[array_search($node, $this->dom->nodes, true)] = 1;
                unset($node);
                continue;
            }
            if ($pass && !in_array($node, $node->parent->children, true)) {
                $pass = false;
            }
            if ($pass && $tag !== '' && $tag !== $node->tag && $tag !== '*') {
                $pass = false;
            }
            if ($pass && $id !== '' && !isset($node->attr['id'])) {
                $pass = false;
            }
            if ($pass && $id !== '' && isset($node->attr['id'])) {
                $node_id = explode(' ', trim($node->attr['id']))[0];
                if ($id !== $node_id) {
                    $pass = false;
                }
            }
            if ($pass && $class !== '' && is_array($class) && !empty($class)) {
                if (isset($node->attr['class'])) {
                    $node_classes = explode(' ', $node->attr['class']);
                    if ($lowercase) {
                        $node_classes = array_map('strtolower', $node_classes);
                    }
                    foreach ($class as $c) {
                        if (!in_array($c, $node_classes)) {
                            $pass = false;
                            break;
                        }
                    }
                } else {
                    $pass = false;
                }
            }
            if ($pass && $attributes !== '' && is_array($attributes) && !empty($attributes)) {
                foreach ($attributes as $a) {
                    list($att_name, $att_expr, $att_val, $att_inv, $att_case_sensitivity) = $a;
                    if (is_numeric($att_name) && $att_expr === '' && $att_val === '') {
                        $count = 0;
                        foreach ($node->parent->children as $c) {
                            if ($c->tag === $node->tag) {
                                ++$count;
                            }
                            if ($c === $node) {
                                break;
                            }
                        }
                        if ($count === (int) $att_name) {
                            continue;
                        }
                    }
                    if ($att_inv) {
                        if (isset($node->attr[$att_name])) {
                            $pass = false;
                            break;
                        }
                    } else {
                        if ($att_name !== 'plaintext' && !isset($node->attr[$att_name])) {
                            $pass = false;
                            break;
                        }
                    }
                    if ($att_expr === '') {
                        continue;
                    }
                    if ($att_name === 'plaintext') {
                        $nodeKeyValue = $node->text();
                    } else {
                        $nodeKeyValue = $node->attr[$att_name];
                    }
                    if (is_object($debug_object)) {
                        $debug_object->debug_log(2, 'testing node: ' . $node->tag . ' for attribute: ' . $att_name . $att_expr . $att_val . ' where nodes value is: ' . $nodeKeyValue);
                    }
                    if ($lowercase) {
                        $check = $this->match($att_expr, strtolower($att_val), strtolower($nodeKeyValue), $att_case_sensitivity);
                    } else {
                        $check = $this->match($att_expr, $att_val, $nodeKeyValue, $att_case_sensitivity);
                    }
                    if (is_object($debug_object)) {
                        $debug_object->debug_log(2, 'after match: ' . ($check ? 'true' : 'false'));
                    }
                    if (!$check) {
                        $pass = false;
                        break;
                    }
                }
            }
            if ($pass) {
                $ret[$node->_[HDOM_INFO_BEGIN]] = 1;
            }
            unset($node);
        }
        if (is_object($debug_object)) {
            $debug_object->debug_log(1, 'EXIT - ret: ', $ret);
        }
    }
    protected function match($exp, $pattern, $value, $case_sensitivity)
    {
        global $debug_object;
        if (is_object($debug_object)) {
            $debug_object->debug_log_entry(1);
        }
        if ($case_sensitivity === 'i') {
            $pattern = strtolower($pattern);
            $value = strtolower($value);
        }
        switch ($exp) {
            case '=':
                return $value === $pattern;
            case '!=':
                return $value !== $pattern;
            case '^=':
                return preg_match('/^' . preg_quote($pattern, '/') . '/', $value);
            case '$=':
                return preg_match('/' . preg_quote($pattern, '/') . '$/', $value);
            case '*=':
                return preg_match('/' . preg_quote($pattern, '/') . '/', $value);
            case '|=':
                return strpos($value, $pattern) === 0;
            case '~=':
                return in_array($pattern, explode(' ', trim($value)), true);
        }
        return false;
    }
    protected function parse_selector($selector_string)
    {
        global $debug_object;
        if (is_object($debug_object)) {
            $debug_object->debug_log_entry(1);
        }
        $pattern = "/([\\w:\\*-]*)(?:\\#([\\w-]+))?(?:|\\.([\\w\\.-]+))?((?:\\[@?(?:!?[\\w:-]+)(?:(?:[!*^\$|~]?=)[\"']?(?:.*?)[\"']?)?(?:\\s*?(?:[iIsS])?)?\\])+)?([\\/, >+~]+)/is";
        preg_match_all($pattern, trim($selector_string) . ' ', $matches, PREG_SET_ORDER);
        if (is_object($debug_object)) {
            $debug_object->debug_log(2, 'Matches Array: ', $matches);
        }
        $selectors = array();
        $result = array();
        foreach ($matches as $m) {
            $m[0] = trim($m[0]);
            if ($m[0] === '' || $m[0] === '/' || $m[0] === '//') {
                continue;
            }
            if ($this->dom->lowercase) {
                $m[1] = strtolower($m[1]);
            }
            if ($m[3] !== '') {
                $m[3] = explode('.', $m[3]);
            }
            if ($m[4] !== '') {
                preg_match_all("/\\[@?(!?[\\w:-]+)(?:([!*^\$|~]?=)[\"']?(.*?)[\"']?)?(?:\\s+?([iIsS])?)?\\]/is", trim($m[4]), $attributes, PREG_SET_ORDER);
                $m[4] = array();
                foreach ($attributes as $att) {
                    if (trim($att[0]) === '') {
                        continue;
                    }
                    $inverted = isset($att[1][0]) && $att[1][0] === '!';
                    $m[4][] = array($inverted ? substr($att[1], 1) : $att[1], isset($att[2]) ? $att[2] : '', isset($att[3]) ? $att[3] : '', $inverted, isset($att[4]) ? strtolower($att[4]) : '');
                }
            }
            if ($m[5] !== '' && trim($m[5]) === '') {
                $m[5] = ' ';
            } else {
                $m[5] = trim($m[5]);
            }
            if ($is_list = $m[5] === ',') {
                $m[5] = '';
            }
            array_shift($m);
            $result[] = $m;
            if ($is_list) {
                $selectors[] = $result;
                $result = array();
            }
        }
        if (count($result) > 0) {
            $selectors[] = $result;
        }
        return $selectors;
    }
    function __get($name)
    {
        if (isset($this->attr[$name])) {
            return $this->convert_text($this->attr[$name]);
        }
        switch ($name) {
            case 'outertext':
                return $this->outertext();
            case 'innertext':
                return $this->innertext();
            case 'plaintext':
                return $this->text();
            case 'xmltext':
                return $this->xmltext();
            default:
                return array_key_exists($name, $this->attr);
        }
    }
    function __set($name, $value)
    {
        global $debug_object;
        if (is_object($debug_object)) {
            $debug_object->debug_log_entry(1);
        }
        switch ($name) {
            case 'outertext':
                return $this->_[HDOM_INFO_OUTER] = $value;
            case 'innertext':
                if (isset($this->_[HDOM_INFO_TEXT])) {
                    return $this->_[HDOM_INFO_TEXT] = $value;
                }
                return $this->_[HDOM_INFO_INNER] = $value;
        }
        if (!isset($this->attr[$name])) {
            $this->_[HDOM_INFO_SPACE][] = array(' ', '', '');
            $this->_[HDOM_INFO_QUOTE][] = HDOM_QUOTE_DOUBLE;
        }
        $this->attr[$name] = $value;
    }
    function __isset($name)
    {
        switch ($name) {
            case 'outertext':
                return true;
            case 'innertext':
                return true;
            case 'plaintext':
                return true;
        }
        return array_key_exists($name, $this->attr) ? true : isset($this->attr[$name]);
    }
    function __unset($name)
    {
        if (isset($this->attr[$name])) {
            unset($this->attr[$name]);
        }
    }
    function convert_text($text)
    {
        global $debug_object;
        if (is_object($debug_object)) {
            $debug_object->debug_log_entry(1);
        }
        $converted_text = $text;
        $sourceCharset = '';
        $targetCharset = '';
        if ($this->dom) {
            $sourceCharset = strtoupper($this->dom->_charset);
            $targetCharset = strtoupper($this->dom->_target_charset);
        }
        if (is_object($debug_object)) {
            $debug_object->debug_log(3, 'source charset: ' . $sourceCharset . ' target charaset: ' . $targetCharset);
        }
        if (!empty($sourceCharset) && !empty($targetCharset) && strcasecmp($sourceCharset, $targetCharset) != 0) {
            if (strcasecmp($targetCharset, 'UTF-8') == 0 && $this->is_utf8($text)) {
                $converted_text = $text;
            } else {
                $converted_text = iconv($sourceCharset, $targetCharset, $text);
            }
        }
        if ($targetCharset === 'UTF-8') {
            if (substr($converted_text, 0, 3) === "") {
                $converted_text = substr($converted_text, 3);
            }
            if (substr($converted_text, -3) === "") {
                $converted_text = substr($converted_text, 0, -3);
            }
        }
        return $converted_text;
    }
    static function is_utf8($str)
    {
        $c = 0;
        $b = 0;
        $bits = 0;
        $len = strlen($str);
        for ($i = 0; $i < $len; $i++) {
            $c = ord($str[$i]);
            if ($c > 128) {
                if ($c >= 254) {
                    return false;
                } elseif ($c >= 252) {
                    $bits = 6;
                } elseif ($c >= 248) {
                    $bits = 5;
                } elseif ($c >= 240) {
                    $bits = 4;
                } elseif ($c >= 224) {
                    $bits = 3;
                } elseif ($c >= 192) {
                    $bits = 2;
                } else {
                    return false;
                }
                if ($i + $bits > $len) {
                    return false;
                }
                while ($bits > 1) {
                    $i++;
                    $b = ord($str[$i]);
                    if ($b < 128 || $b > 191) {
                        return false;
                    }
                    $bits--;
                }
            }
        }
        return true;
    }
    function get_display_size()
    {
        global $debug_object;
        $width = -1;
        $height = -1;
        if ($this->tag !== 'img') {
            return false;
        }
        if (isset($this->attr['width'])) {
            $width = $this->attr['width'];
        }
        if (isset($this->attr['height'])) {
            $height = $this->attr['height'];
        }
        if (isset($this->attr['style'])) {
            $attributes = array();
            preg_match_all('/([\\w-]+)\\s*:\\s*([^;]+)\\s*;?/', $this->attr['style'], $matches, PREG_SET_ORDER);
            foreach ($matches as $match) {
                $attributes[$match[1]] = $match[2];
            }
            if (isset($attributes['width']) && $width == -1) {
                if (strtolower(substr($attributes['width'], -2)) === 'px') {
                    $proposed_width = substr($attributes['width'], 0, -2);
                    if (filter_var($proposed_width, FILTER_VALIDATE_INT)) {
                        $width = $proposed_width;
                    }
                }
            }
            if (isset($attributes['height']) && $height == -1) {
                if (strtolower(substr($attributes['height'], -2)) == 'px') {
                    $proposed_height = substr($attributes['height'], 0, -2);
                    if (filter_var($proposed_height, FILTER_VALIDATE_INT)) {
                        $height = $proposed_height;
                    }
                }
            }
        }
        $result = array('height' => $height, 'width' => $width);
        return $result;
    }
    function save($filepath = '')
    {
        $ret = $this->outertext();
        if ($filepath !== '') {
            file_put_contents($filepath, $ret, LOCK_EX);
        }
        return $ret;
    }
    function addClass($class)
    {
        if (is_string($class)) {
            $class = explode(' ', $class);
        }
        if (is_array($class)) {
            foreach ($class as $c) {
                if (isset($this->class)) {
                    if ($this->hasClass($c)) {
                        continue;
                    } else {
                        $this->class .= ' ' . $c;
                    }
                } else {
                    $this->class = $c;
                }
            }
        } else {
            if (is_object($debug_object)) {
                $debug_object->debug_log(2, 'Invalid type: ', gettype($class));
            }
        }
    }
    function hasClass($class)
    {
        if (is_string($class)) {
            if (isset($this->class)) {
                return in_array($class, explode(' ', $this->class), true);
            }
        } else {
            if (is_object($debug_object)) {
                $debug_object->debug_log(2, 'Invalid type: ', gettype($class));
            }
        }
        return false;
    }
    function removeClass($class = null)
    {
        if (!isset($this->class)) {
            return;
        }
        if (is_null($class)) {
            $this->removeAttribute('class');
            return;
        }
        if (is_string($class)) {
            $class = explode(' ', $class);
        }
        if (is_array($class)) {
            $class = array_diff(explode(' ', $this->class), $class);
            if (empty($class)) {
                $this->removeAttribute('class');
            } else {
                $this->class = implode(' ', $class);
            }
        }
    }
    function getAllAttributes()
    {
        return $this->attr;
    }
    function getAttribute($name)
    {
        return $this->__get($name);
    }
    function setAttribute($name, $value)
    {
        $this->__set($name, $value);
    }
    function hasAttribute($name)
    {
        return $this->__isset($name);
    }
    function removeAttribute($name)
    {
        $this->__set($name, null);
    }
    function remove()
    {
        if ($this->parent) {
            $this->parent->removeChild($this);
        }
    }
    function removeChild($node)
    {
        $nidx = array_search($node, $this->nodes, true);
        $cidx = array_search($node, $this->children, true);
        $didx = array_search($node, $this->dom->nodes, true);
        if ($nidx !== false && $cidx !== false && $didx !== false) {
            foreach ($node->children as $child) {
                $node->removeChild($child);
            }
            foreach ($node->nodes as $entity) {
                $enidx = array_search($entity, $node->nodes, true);
                $edidx = array_search($entity, $node->dom->nodes, true);
                if ($enidx !== false && $edidx !== false) {
                    unset($node->nodes[$enidx]);
                    unset($node->dom->nodes[$edidx]);
                }
            }
            unset($this->nodes[$nidx]);
            unset($this->children[$cidx]);
            unset($this->dom->nodes[$didx]);
            $node->clear();
        }
    }
    function getElementById($id)
    {
        return $this->find("#{$id}", 0);
    }
    function getElementsById($id, $idx = null)
    {
        return $this->find("#{$id}", $idx);
    }
    function getElementByTagName($name)
    {
        return $this->find($name, 0);
    }
    function getElementsByTagName($name, $idx = null)
    {
        return $this->find($name, $idx);
    }
    function parentNode()
    {
        return $this->parent();
    }
    function childNodes($idx = -1)
    {
        return $this->children($idx);
    }
    function firstChild()
    {
        return $this->first_child();
    }
    function lastChild()
    {
        return $this->last_child();
    }
    function nextSibling()
    {
        return $this->next_sibling();
    }
    function previousSibling()
    {
        return $this->prev_sibling();
    }
    function hasChildNodes()
    {
        return $this->has_child();
    }
    function nodeName()
    {
        return $this->tag;
    }
    function appendChild($node)
    {
        $node->parent($this);
        return $node;
    }
}
class simple_html_dom
{
    public $root = null;
    public $nodes = array();
    public $callback = null;
    public $lowercase = false;
    public $original_size;
    public $size;
    protected $pos;
    protected $doc;
    protected $char;
    protected $cursor;
    protected $parent;
    protected $noise = array();
    protected $token_blank = " \t\r\n";
    protected $token_equal = ' =/>';
    protected $token_slash = " />\r\n\t";
    protected $token_attr = ' >';
    public $_charset = '';
    public $_target_charset = '';
    protected $default_br_text = '';
    public $default_span_text = '';
    protected $self_closing_tags = array('area' => 1, 'base' => 1, 'br' => 1, 'col' => 1, 'embed' => 1, 'hr' => 1, 'img' => 1, 'input' => 1, 'link' => 1, 'meta' => 1, 'param' => 1, 'source' => 1, 'track' => 1, 'wbr' => 1);
    protected $block_tags = array('body' => 1, 'div' => 1, 'form' => 1, 'root' => 1, 'span' => 1, 'table' => 1);
    protected $optional_closing_tags = array('b' => array('b' => 1), 'dd' => array('dd' => 1, 'dt' => 1), 'dl' => array('dd' => 1, 'dt' => 1), 'dt' => array('dd' => 1, 'dt' => 1), 'li' => array('li' => 1), 'optgroup' => array('optgroup' => 1, 'option' => 1), 'option' => array('optgroup' => 1, 'option' => 1), 'p' => array('p' => 1), 'rp' => array('rp' => 1, 'rt' => 1), 'rt' => array('rp' => 1, 'rt' => 1), 'td' => array('td' => 1, 'th' => 1), 'th' => array('td' => 1, 'th' => 1), 'tr' => array('td' => 1, 'th' => 1, 'tr' => 1));
    function __construct($str = null, $lowercase = true, $forceTagsClosed = true, $target_charset = DEFAULT_TARGET_CHARSET, $stripRN = true, $defaultBRText = DEFAULT_BR_TEXT, $defaultSpanText = DEFAULT_SPAN_TEXT, $options = 0)
    {
        if ($str) {
            if (preg_match('/^http:\\/\\//i', $str) || is_file($str)) {
                $this->load_file($str);
            } else {
                $this->load($str, $lowercase, $stripRN, $defaultBRText, $defaultSpanText, $options);
            }
        }
        if (!$forceTagsClosed) {
            $this->optional_closing_array = array();
        }
        $this->_target_charset = $target_charset;
    }
    function __destruct()
    {
        $this->clear();
    }
    function load($str, $lowercase = true, $stripRN = true, $defaultBRText = DEFAULT_BR_TEXT, $defaultSpanText = DEFAULT_SPAN_TEXT, $options = 0)
    {
        global $debug_object;
        $this->prepare($str, $lowercase, $defaultBRText, $defaultSpanText);
        $this->remove_noise("'<\\s*script[^>]*[^/]>(.*?)<\\s*/\\s*script\\s*>'is");
        $this->remove_noise("'<\\s*script\\s*>(.*?)<\\s*/\\s*script\\s*>'is");
        if ($stripRN) {
            $this->doc = str_replace("\r", ' ', $this->doc);
            $this->doc = str_replace("\n", ' ', $this->doc);
            $this->size = strlen($this->doc);
        }
        $this->remove_noise("'<!\\[CDATA\\[(.*?)\\]\\]>'is", true);
        $this->remove_noise("''is");
        $this->remove_noise("'<\\s*style[^>]*[^/]>(.*?)<\\s*/\\s*style\\s*>'is");
        $this->remove_noise("'<\\s*style\\s*>(.*?)<\\s*/\\s*style\\s*>'is");
        $this->remove_noise("'<\\s*(?:code)[^>]*>(.*?)<\\s*/\\s*(?:code)\\s*>'is");
        $this->remove_noise("'(<\\?)(.*?)(\\?>)'s", true);
        if ($options & HDOM_SMARTY_AS_TEXT) {
            $this->remove_noise("'(\\{\\w)(.*?)(\\})'s", true);
        }
        $this->parse();
        $this->root->_[HDOM_INFO_END] = $this->cursor;
        $this->parse_charset();
        return $this;
    }
    function load_file()
    {
        $args = func_get_args();
        if (($doc = call_user_func_array('file_get_contents', $args)) !== false) {
            $this->load($doc, true);
        } else {
            return false;
        }
    }
    function set_callback($function_name)
    {
        $this->callback = $function_name;
    }
    function remove_callback()
    {
        $this->callback = null;
    }
    function save($filepath = '')
    {
        $ret = $this->root->innertext();
        if ($filepath !== '') {
            file_put_contents($filepath, $ret, LOCK_EX);
        }
        return $ret;
    }
    function find($selector, $idx = null, $lowercase = false)
    {
        return $this->root->find($selector, $idx, $lowercase);
    }
    function clear()
    {
        if (isset($this->nodes)) {
            foreach ($this->nodes as $n) {
                $n->clear();
                $n = null;
            }
        }
        if (isset($this->children)) {
            foreach ($this->children as $n) {
                $n->clear();
                $n = null;
            }
        }
        if (isset($this->parent)) {
            $this->parent->clear();
            unset($this->parent);
        }
        if (isset($this->root)) {
            $this->root->clear();
            unset($this->root);
        }
        unset($this->doc);
        unset($this->noise);
    }
    function dump($show_attr = true)
    {
        $this->root->dump($show_attr);
    }
    protected function prepare($str, $lowercase = true, $defaultBRText = DEFAULT_BR_TEXT, $defaultSpanText = DEFAULT_SPAN_TEXT)
    {
        $this->clear();
        $this->doc = trim($str);
        $this->size = strlen($this->doc);
        $this->original_size = $this->size;
        $this->pos = 0;
        $this->cursor = 1;
        $this->noise = array();
        $this->nodes = array();
        $this->lowercase = $lowercase;
        $this->default_br_text = $defaultBRText;
        $this->default_span_text = $defaultSpanText;
        $this->root = new simple_html_dom_node($this);
        $this->root->tag = 'root';
        $this->root->_[HDOM_INFO_BEGIN] = -1;
        $this->root->nodetype = HDOM_TYPE_ROOT;
        $this->parent = $this->root;
        if ($this->size > 0) {
            $this->char = $this->doc[0];
        }
    }
    protected function parse()
    {
        while (true) {
            if (($s = $this->copy_until_char('<')) === '') {
                if ($this->read_tag()) {
                    continue;
                } else {
                    return true;
                }
            }
            $node = new simple_html_dom_node($this);
            ++$this->cursor;
            $node->_[HDOM_INFO_TEXT] = $s;
            $this->link_nodes($node, false);
        }
    }
    protected function parse_charset()
    {
        global $debug_object;
        $charset = null;
        if (function_exists('get_last_retrieve_url_contents_content_type')) {
            $contentTypeHeader = get_last_retrieve_url_contents_content_type();
            $success = preg_match('/charset=(.+)/', $contentTypeHeader, $matches);
            if ($success) {
                $charset = $matches[1];
                if (is_object($debug_object)) {
                    $debug_object->debug_log(2, 'header content-type found charset of: ' . $charset);
                }
            }
        }
        if (empty($charset)) {
            $el = $this->root->find('meta[http-equiv=Content-Type]', 0, true);
            if (!empty($el)) {
                $fullvalue = $el->content;
                if (is_object($debug_object)) {
                    $debug_object->debug_log(2, 'meta content-type tag found' . $fullvalue);
                }
                if (!empty($fullvalue)) {
                    $success = preg_match('/charset=(.+)/i', $fullvalue, $matches);
                    if ($success) {
                        $charset = $matches[1];
                    } else {
                        if (is_object($debug_object)) {
                            $debug_object->debug_log(2, 'meta content-type tag couldn\'t be parsed. using iso-8859 default.');
                        }
                        $charset = 'ISO-8859-1';
                    }
                }
            }
        }
        if (empty($charset)) {
            if ($meta = $this->root->find('meta[charset]', 0)) {
                $charset = $meta->charset;
                if (is_object($debug_object)) {
                    $debug_object->debug_log(2, 'meta charset: ' . $charset);
                }
            }
        }
        if (empty($charset)) {
            if (function_exists('mb_detect_encoding')) {
                $encoding = mb_detect_encoding($this->doc, array('UTF-8', 'CP1252', 'ISO-8859-1'));
                if ($encoding === 'CP1252' || $encoding === 'ISO-8859-1') {
                    if (!@iconv('CP1252', 'UTF-8', $this->doc)) {
                        $encoding = 'CP1251';
                    }
                }
                if ($encoding !== false) {
                    $charset = $encoding;
                    if (is_object($debug_object)) {
                        $debug_object->debug_log(2, 'mb_detect: ' . $charset);
                    }
                }
            }
        }
        if (empty($charset)) {
            $charset = 'UTF-8';
            if (is_object($debug_object)) {
                $debug_object->debug_log(2, 'No match found, assume ' . $charset);
            }
        }
        if (strtolower($charset) == 'iso-8859-1' || strtolower($charset) == 'latin1' || strtolower($charset) == 'latin-1') {
            $charset = 'CP1252';
            if (is_object($debug_object)) {
                $debug_object->debug_log(2, 'replacing ' . $charset . ' with CP1252 as its a superset');
            }
        }
        if (is_object($debug_object)) {
            $debug_object->debug_log(1, 'EXIT - ' . $charset);
        }
        return $this->_charset = $charset;
    }
    protected function read_tag()
    {
        if ($this->char !== '<') {
            $this->root->_[HDOM_INFO_END] = $this->cursor;
            return false;
        }
        $begin_tag_pos = $this->pos;
        $this->char = ++$this->pos < $this->size ? $this->doc[$this->pos] : null;
        if ($this->char === '/') {
            $this->char = ++$this->pos < $this->size ? $this->doc[$this->pos] : null;
            $this->skip($this->token_blank);
            $tag = $this->copy_until_char('>');
            if (($pos = strpos($tag, ' ')) !== false) {
                $tag = substr($tag, 0, $pos);
            }
            $parent_lower = strtolower($this->parent->tag);
            $tag_lower = strtolower($tag);
            if ($parent_lower !== $tag_lower) {
                if (isset($this->optional_closing_tags[$parent_lower]) && isset($this->block_tags[$tag_lower])) {
                    $this->parent->_[HDOM_INFO_END] = 0;
                    $org_parent = $this->parent;
                    while ($this->parent->parent && strtolower($this->parent->tag) !== $tag_lower) {
                        $this->parent = $this->parent->parent;
                    }
                    if (strtolower($this->parent->tag) !== $tag_lower) {
                        $this->parent = $org_parent;
                        if ($this->parent->parent) {
                            $this->parent = $this->parent->parent;
                        }
                        $this->parent->_[HDOM_INFO_END] = $this->cursor;
                        return $this->as_text_node($tag);
                    }
                } elseif ($this->parent->parent && isset($this->block_tags[$tag_lower])) {
                    $this->parent->_[HDOM_INFO_END] = 0;
                    $org_parent = $this->parent;
                    while ($this->parent->parent && strtolower($this->parent->tag) !== $tag_lower) {
                        $this->parent = $this->parent->parent;
                    }
                    if (strtolower($this->parent->tag) !== $tag_lower) {
                        $this->parent = $org_parent;
                        $this->parent->_[HDOM_INFO_END] = $this->cursor;
                        return $this->as_text_node($tag);
                    }
                } elseif ($this->parent->parent && strtolower($this->parent->parent->tag) === $tag_lower) {
                    $this->parent->_[HDOM_INFO_END] = 0;
                    $this->parent = $this->parent->parent;
                } else {
                    return $this->as_text_node($tag);
                }
            }
            $this->parent->_[HDOM_INFO_END] = $this->cursor;
            if ($this->parent->parent) {
                $this->parent = $this->parent->parent;
            }
            $this->char = ++$this->pos < $this->size ? $this->doc[$this->pos] : null;
            return true;
        }
        $node = new simple_html_dom_node($this);
        $node->_[HDOM_INFO_BEGIN] = $this->cursor;
        ++$this->cursor;
        $tag = $this->copy_until($this->token_slash);
        $node->tag_start = $begin_tag_pos;
        if (isset($tag[0]) && $tag[0] === '!') {
            $node->_[HDOM_INFO_TEXT] = '<' . $tag . $this->copy_until_char('>');
            if (isset($tag[2]) && $tag[1] === '-' && $tag[2] === '-') {
                $node->nodetype = HDOM_TYPE_COMMENT;
                $node->tag = 'comment';
            } else {
                $node->nodetype = HDOM_TYPE_UNKNOWN;
                $node->tag = 'unknown';
            }
            if ($this->char === '>') {
                $node->_[HDOM_INFO_TEXT] .= '>';
            }
            $this->link_nodes($node, true);
            $this->char = ++$this->pos < $this->size ? $this->doc[$this->pos] : null;
            return true;
        }
        if ($pos = strpos($tag, '<') !== false) {
            $tag = '<' . substr($tag, 0, -1);
            $node->_[HDOM_INFO_TEXT] = $tag;
            $this->link_nodes($node, false);
            $this->char = $this->doc[--$this->pos];
            return true;
        }
        if (!preg_match('/^\\w[\\w:-]*$/', $tag)) {
            $node->_[HDOM_INFO_TEXT] = '<' . $tag . $this->copy_until('<>');
            if ($this->char === '<') {
                $this->link_nodes($node, false);
                return true;
            }
            if ($this->char === '>') {
                $node->_[HDOM_INFO_TEXT] .= '>';
            }
            $this->link_nodes($node, false);
            $this->char = ++$this->pos < $this->size ? $this->doc[$this->pos] : null;
            return true;
        }
        $node->nodetype = HDOM_TYPE_ELEMENT;
        $tag_lower = strtolower($tag);
        $node->tag = $this->lowercase ? $tag_lower : $tag;
        if (isset($this->optional_closing_tags[$tag_lower])) {
            while (isset($this->optional_closing_tags[$tag_lower][strtolower($this->parent->tag)])) {
                $this->parent->_[HDOM_INFO_END] = 0;
                $this->parent = $this->parent->parent;
            }
            $node->parent = $this->parent;
        }
        $guard = 0;
        $space = array($this->copy_skip($this->token_blank), '', '');
        do {
            $name = $this->copy_until($this->token_equal);
            if ($name === '' && $this->char !== null && $space[0] === '') {
                break;
            }
            if ($guard === $this->pos) {
                $this->char = ++$this->pos < $this->size ? $this->doc[$this->pos] : null;
                continue;
            }
            $guard = $this->pos;
            if ($this->pos >= $this->size - 1 && $this->char !== '>') {
                $node->nodetype = HDOM_TYPE_TEXT;
                $node->_[HDOM_INFO_END] = 0;
                $node->_[HDOM_INFO_TEXT] = '<' . $tag . $space[0] . $name;
                $node->tag = 'text';
                $this->link_nodes($node, false);
                return true;
            }
            if ($this->doc[$this->pos - 1] == '<') {
                $node->nodetype = HDOM_TYPE_TEXT;
                $node->tag = 'text';
                $node->attr = array();
                $node->_[HDOM_INFO_END] = 0;
                $node->_[HDOM_INFO_TEXT] = substr($this->doc, $begin_tag_pos, $this->pos - $begin_tag_pos - 1);
                $this->pos -= 2;
                $this->char = ++$this->pos < $this->size ? $this->doc[$this->pos] : null;
                $this->link_nodes($node, false);
                return true;
            }
            if ($name !== '/' && $name !== '') {
                $space[1] = $this->copy_skip($this->token_blank);
                $name = $this->restore_noise($name);
                if ($this->lowercase) {
                    $name = strtolower($name);
                }
                if ($this->char === '=') {
                    $this->char = ++$this->pos < $this->size ? $this->doc[$this->pos] : null;
                    $this->parse_attr($node, $name, $space);
                } else {
                    $node->_[HDOM_INFO_QUOTE][] = HDOM_QUOTE_NO;
                    $node->attr[$name] = true;
                    if ($this->char != '>') {
                        $this->char = $this->doc[--$this->pos];
                    }
                }
                $node->_[HDOM_INFO_SPACE][] = $space;
                $space = array($this->copy_skip($this->token_blank), '', '');
            } else {
                break;
            }
        } while ($this->char !== '>' && $this->char !== '/');
        $this->link_nodes($node, true);
        $node->_[HDOM_INFO_ENDSPACE] = $space[0];
        if ($this->copy_until_char('>') === '/') {
            $node->_[HDOM_INFO_ENDSPACE] .= '/';
            $node->_[HDOM_INFO_END] = 0;
        } else {
            if (!isset($this->self_closing_tags[strtolower($node->tag)])) {
                $this->parent = $node;
            }
        }
        $this->char = ++$this->pos < $this->size ? $this->doc[$this->pos] : null;
        if ($node->tag === 'br') {
            $node->_[HDOM_INFO_INNER] = $this->default_br_text;
        }
        return true;
    }
    protected function parse_attr($node, $name, &$space)
    {
        $is_duplicate = isset($node->attr[$name]);
        if (!$is_duplicate) {
            $space[2] = $this->copy_skip($this->token_blank);
        }
        switch ($this->char) {
            case '"':
                $quote_type = HDOM_QUOTE_DOUBLE;
                $this->char = ++$this->pos < $this->size ? $this->doc[$this->pos] : null;
                $value = $this->copy_until_char('"');
                $this->char = ++$this->pos < $this->size ? $this->doc[$this->pos] : null;
                break;
            case '\'':
                $quote_type = HDOM_QUOTE_SINGLE;
                $this->char = ++$this->pos < $this->size ? $this->doc[$this->pos] : null;
                $value = $this->copy_until_char('\'');
                $this->char = ++$this->pos < $this->size ? $this->doc[$this->pos] : null;
                break;
            default:
                $quote_type = HDOM_QUOTE_NO;
                $value = $this->copy_until($this->token_attr);
        }
        $value = $this->restore_noise($value);
        $value = str_replace("\r", '', $value);
        $value = str_replace("\n", '', $value);
        if ($name === 'class') {
            $value = trim($value);
        }
        if (!$is_duplicate) {
            $node->_[HDOM_INFO_QUOTE][] = $quote_type;
            $node->attr[$name] = $value;
        }
    }
    protected function link_nodes(&$node, $is_child)
    {
        $node->parent = $this->parent;
        $this->parent->nodes[] = $node;
        if ($is_child) {
            $this->parent->children[] = $node;
        }
    }
    protected function as_text_node($tag)
    {
        $node = new simple_html_dom_node($this);
        ++$this->cursor;
        $node->_[HDOM_INFO_TEXT] = '</' . $tag . '>';
        $this->link_nodes($node, false);
        $this->char = ++$this->pos < $this->size ? $this->doc[$this->pos] : null;
        return true;
    }
    protected function skip($chars)
    {
        $this->pos += strspn($this->doc, $chars, $this->pos);
        $this->char = $this->pos < $this->size ? $this->doc[$this->pos] : null;
    }
    protected function copy_skip($chars)
    {
        $pos = $this->pos;
        $len = strspn($this->doc, $chars, $pos);
        $this->pos += $len;
        $this->char = $this->pos < $this->size ? $this->doc[$this->pos] : null;
        if ($len === 0) {
            return '';
        }
        return substr($this->doc, $pos, $len);
    }
    protected function copy_until($chars)
    {
        $pos = $this->pos;
        $len = strcspn($this->doc, $chars, $pos);
        $this->pos += $len;
        $this->char = $this->pos < $this->size ? $this->doc[$this->pos] : null;
        return substr($this->doc, $pos, $len);
    }
    protected function copy_until_char($char)
    {
        if ($this->char === null) {
            return '';
        }
        if (($pos = strpos($this->doc, $char, $this->pos)) === false) {
            $ret = substr($this->doc, $this->pos, $this->size - $this->pos);
            $this->char = null;
            $this->pos = $this->size;
            return $ret;
        }
        if ($pos === $this->pos) {
            return '';
        }
        $pos_old = $this->pos;
        $this->char = $this->doc[$pos];
        $this->pos = $pos;
        return substr($this->doc, $pos_old, $pos - $pos_old);
    }
    protected function remove_noise($pattern, $remove_tag = false)
    {
        global $debug_object;
        if (is_object($debug_object)) {
            $debug_object->debug_log_entry(1);
        }
        $count = preg_match_all($pattern, $this->doc, $matches, PREG_SET_ORDER | PREG_OFFSET_CAPTURE);
        for ($i = $count - 1; $i > -1; --$i) {
            $key = '___noise___' . sprintf('% 5d', count($this->noise) + 1000);
            if (is_object($debug_object)) {
                $debug_object->debug_log(2, 'key is: ' . $key);
            }
            $idx = $remove_tag ? 0 : 1;
            $this->noise[$key] = $matches[$i][$idx][0];
            $this->doc = substr_replace($this->doc, $key, $matches[$i][$idx][1], strlen($matches[$i][$idx][0]));
        }
        $this->size = strlen($this->doc);
        if ($this->size > 0) {
            $this->char = $this->doc[0];
        }
    }
    function restore_noise($text)
    {
        global $debug_object;
        if (is_object($debug_object)) {
            $debug_object->debug_log_entry(1);
        }
        while (($pos = strpos($text, '___noise___')) !== false) {
            if (strlen($text) > $pos + 15) {
                $key = '___noise___' . $text[$pos + 11] . $text[$pos + 12] . $text[$pos + 13] . $text[$pos + 14] . $text[$pos + 15];
                if (is_object($debug_object)) {
                    $debug_object->debug_log(2, 'located key of: ' . $key);
                }
                if (isset($this->noise[$key])) {
                    $text = substr($text, 0, $pos) . $this->noise[$key] . substr($text, $pos + 16);
                } else {
                    $text = substr($text, 0, $pos) . 'UNDEFINED NOISE FOR KEY: ' . $key . substr($text, $pos + 16);
                }
            } else {
                $text = substr($text, 0, $pos) . 'NO NUMERIC NOISE KEY' . substr($text, $pos + 11);
            }
        }
        return $text;
    }
    function search_noise($text)
    {
        global $debug_object;
        if (is_object($debug_object)) {
            $debug_object->debug_log_entry(1);
        }
        foreach ($this->noise as $noiseElement) {
            if (strpos($noiseElement, $text) !== false) {
                return $noiseElement;
            }
        }
    }
    function __toString()
    {
        return $this->root->innertext();
    }
    function __get($name)
    {
        switch ($name) {
            case 'outertext':
                return $this->root->innertext();
            case 'innertext':
                return $this->root->innertext();
            case 'plaintext':
                return $this->root->text();
            case 'charset':
                return $this->_charset;
            case 'target_charset':
                return $this->_target_charset;
        }
    }
    function childNodes($idx = -1)
    {
        return $this->root->childNodes($idx);
    }
    function firstChild()
    {
        return $this->root->first_child();
    }
    function lastChild()
    {
        return $this->root->last_child();
    }
    function createElement($name, $value = null)
    {
        return @str_get_html("<{$name}>{$value}</{$name}>")->firstChild();
    }
    function createTextNode($value)
    {
        return @end(str_get_html($value)->nodes);
    }
    function getElementById($id)
    {
        return $this->find("#{$id}", 0);
    }
    function getElementsById($id, $idx = null)
    {
        return $this->find("#{$id}", $idx);
    }
    function getElementByTagName($name)
    {
        return $this->find($name, 0);
    }
    function getElementsByTagName($name, $idx = -1)
    {
        return $this->find($name, $idx);
    }
    function loadFile()
    {
        $args = func_get_args();
        $this->load_file($args);
    }
}