diff --git a/config/app.php.txt b/config/app.php.txt
index 54e69ed..191e5c1 100644
--- a/config/app.php.txt
+++ b/config/app.php.txt
@@ -306,6 +306,22 @@ define('CRAWL_ROBOTS_DEFAULT_RULES', null); // string|null
*/
define('CRAWL_ROBOTS_POSTFIX_RULES', null); // string|null
+/*
+ * Generates hostPageDom index based on hostPage.data field
+ *
+ * Could be useful for building semantical index query (config/sphinx.conf.txt)
+ *
+ * At this moment feature available in the CLI only (cli/yggo.php)
+ *
+ */
+define('CRAWL_HOST_PAGE_DOM_SELECTORS', 'h1,h2,h3,h4,h5,h6');
+
+/*
+ * Strip HTML in the CRAWL_HOST_PAGE_DOM_SELECTORS content
+ *
+ */
+define('CRAWL_HOST_PAGE_DOM_STRIP_TAGS', true);
+
/*
* Look for third-party manifests to collect distributed index
*
@@ -386,6 +402,12 @@ define('CLEAN_PAGE_BAN_SECONDS_OFFSET', 60*60*24*30);
*/
define('CLEAN_PAGE_DESCRIPTION_OFFSET', 60*60*24*30*12*10);
+/*
+ * Remove page DOM history after following time
+ *
+ */
+define('CLEAN_PAGE_DOM_OFFSET', 60*60*24*30*12*10);
+
/*
* Database tables optimization
*
diff --git a/crontab/cleaner.php b/crontab/cleaner.php
index 29d8fe8..91069dc 100644
--- a/crontab/cleaner.php
+++ b/crontab/cleaner.php
@@ -32,6 +32,7 @@ $manifestsTotal = $db->getTotalManifests();
$hostsUpdated = 0;
$hostPagesDeleted = 0;
$hostPagesDescriptionsDeleted = 0;
+$hostPagesDomsDeleted = 0;
$hostPagesSnapDeleted = 0;
$hostPagesToHostPageDeleted = 0;
$manifestsDeleted = 0;
@@ -81,6 +82,9 @@ try {
// Delete host page descriptions
$hostPagesDescriptionsDeleted += $db->deleteHostPageDescriptions($hostPage->hostPageId);
+ // Delete host page DOMs
+ $hostPagesDomsDeleted += $db->deleteHostPageDoms($hostPage->hostPageId);
+
// Delete host page refs data
$hostPagesToHostPageDeleted += $db->deleteHostPageToHostPage($hostPage->hostPageId);
@@ -124,6 +128,9 @@ try {
// Delete host page descriptions
$hostPagesDescriptionsDeleted += $db->deleteHostPageDescriptions($hostPage->hostPageId);
+ // Delete host page DOMs
+ $hostPagesDomsDeleted += $db->deleteHostPageDoms($hostPage->hostPageId);
+
// Delete host page refs data
$hostPagesToHostPageDeleted += $db->deleteHostPageToHostPage($hostPage->hostPageId);
@@ -223,6 +230,9 @@ try {
// Delete host page descriptions
$hostPagesDescriptionsDeleted += $db->deleteHostPageDescriptions($hostPageBanned->hostPageId);
+ // Delete host page DOMs
+ $hostPagesDomsDeleted += $db->deleteHostPageDoms($hostPage->hostPageId);
+
// Delete host page refs data
$hostPagesToHostPageDeleted += $db->deleteHostPageToHostPage($hostPageBanned->hostPageId);
@@ -254,6 +264,9 @@ try {
// Delete page description history
$hostPagesDescriptionsDeleted += $db->deleteHostPageDescriptionsByTimeAdded(time() - CLEAN_PAGE_DESCRIPTION_OFFSET);
+ // Delete page dom history
+ $hostPagesDomsDeleted += $db->deleteHostPageDomsByTimeAdded(time() - CLEAN_PAGE_DOM_OFFSET);
+
// Delete deprecated logs
$logsCleanerDeleted += $db->deleteLogCleaner(time() - CLEAN_LOG_SECONDS_OFFSET);
$logsCrawlerDeleted += $db->deleteLogCrawler(time() - CRAWL_LOG_SECONDS_OFFSET);
@@ -292,6 +305,7 @@ if (CLEAN_LOG_ENABLED) {
$hostsUpdated,
$hostPagesDeleted,
$hostPagesDescriptionsDeleted,
+ $hostPagesDomsDeleted,
$hostPagesSnapDeleted,
$hostPagesToHostPageDeleted,
$hostPagesBansRemoved,
@@ -316,6 +330,7 @@ echo 'Manifests deleted: ' . $manifestsDeleted . PHP_EOL;
echo 'Host page bans removed: ' . $hostPagesBansRemoved . PHP_EOL;
echo 'Host page descriptions deleted: ' . $hostPagesDescriptionsDeleted . PHP_EOL;
+echo 'Host page doms deleted: ' . $hostPagesDomsDeleted . PHP_EOL;
echo 'Host page snaps deleted: ' . $hostPagesSnapDeleted . PHP_EOL;
echo 'Host page to host page deleted: ' . $hostPagesToHostPageDeleted . PHP_EOL;
diff --git a/crontab/crawler.php b/crontab/crawler.php
index 639438d..9a8bf7d 100644
--- a/crontab/crawler.php
+++ b/crontab/crawler.php
@@ -17,6 +17,7 @@ require_once('../library/robots.php');
require_once('../library/filter.php');
require_once('../library/parser.php');
require_once('../library/mysql.php');
+require_once('../library/vendor/simple_html_dom.php');
// Check disk quota
if (CRAWL_STOP_DISK_QUOTA_MB_LEFT > disk_free_space('/') / 1000000) {
@@ -491,7 +492,33 @@ foreach ($db->getHostPageCrawlQueue(CRAWL_PAGE_LIMIT, time() - CRAWL_PAGE_SECOND
$metaKeywords = null;
$metaYggoManifest = null;
- // Parse content
+ // Collect page DOM elements data
+ if (CRAWL_HOST_PAGE_DOM_SELECTORS) {
+
+ // Begin selectors extraction
+ $html = str_get_html($content);
+
+ foreach ((array) explode(',', CRAWL_HOST_PAGE_DOM_SELECTORS) as $selector) {
+
+ foreach($html->find($selector) as $element) {
+
+ if (!empty($element->innertext)) {
+
+ $db->addHostPageDom($queueHostPage->hostPageId,
+ time(),
+ $selector,
+ trim(CRAWL_HOST_PAGE_DOM_STRIP_TAGS ? strip_tags(
+ preg_replace('/[\s]+/',
+ ' ',
+ str_replace(['
', '
', '
', ''],
+ [' ', ' ', ' ', ' '],
+ $element->innertext))) : $element->innertext));
+ }
+ }
+ }
+ }
+
+ // Parse page content
$dom = new DomDocument();
if ($encoding = mb_detect_encoding($content)) {
diff --git a/database/yggo.mwb b/database/yggo.mwb
index ed236d8..ef6b054 100644
Binary files a/database/yggo.mwb and b/database/yggo.mwb differ
diff --git a/library/mysql.php b/library/mysql.php
index 01ced4b..3942ab7 100644
--- a/library/mysql.php
+++ b/library/mysql.php
@@ -198,6 +198,13 @@ class MySQL {
return $query->fetchAll();
}
+ public function getHostPagesByIndexed() {
+
+ $query = $this->_db->query('SELECT * FROM `hostPage` WHERE `timeUpdated` IS NOT NULL AND `timeBanned` IS NULL LIMIT 100,1'); // @TODO
+
+ return $query->fetchAll();
+ }
+
public function getHostPagesByLimit(int $hostId, int $limit) {
$query = $this->_db->prepare('SELECT * FROM `hostPage` WHERE `hostId` = ? ORDER BY `hostPageId` DESC LIMIT ' . (int) $limit);
@@ -486,6 +493,34 @@ class MySQL {
return $query->fetch()->size;
}
+ public function addHostPageDom(int $hostPageId, int $timeAdded, string $selector, string $value) {
+
+ $query = $this->_db->prepare('INSERT INTO `hostPageDom` SET `hostPageId` = ?, `timeAdded` = ?, `selector` = ?, `value` = ?');
+
+ $query->execute([$hostPageId, $timeAdded, $selector, $value]);
+ }
+
+ public function deleteHostPageDoms(int $hostPageId) {
+
+ $query = $this->_db->query('DELETE FROM `hostPageDom` WHERE `hostPageId` = ?');
+
+ return $query->rowCount();
+ }
+
+ public function deleteHostPageDomsByTimeAdded(int $timeOffset) {
+
+ $query = $this->_db->prepare('DELETE FROM `hostPageDom` WHERE `timeAdded` < ' . (int) $timeOffset);
+
+ $query->execute();
+
+ return $query->rowCount();
+ }
+
+ public function truncateHostPageDom() {
+
+ $query = $this->_db->query('TRUNCATE `hostPageDom`');
+ }
+
// Cleaner tools
public function getCleanerQueue(int $limit, int $timeFrom) {
@@ -532,6 +567,7 @@ class MySQL {
int $hostsUpdated,
int $hostPagesDeleted,
int $hostPagesDescriptionsDeleted,
+ int $hostPagesDomsDeleted,
int $hostPagesSnapDeleted,
int $hostPagesToHostPageDeleted,
int $hostPagesBansRemoved,
@@ -550,6 +586,7 @@ class MySQL {
`hostsUpdated`,
`hostPagesDeleted`,
`hostPagesDescriptionsDeleted`,
+ `hostPagesDomsDeleted`,
`hostPagesSnapDeleted`,
`hostPagesToHostPageDeleted`,
`hostPagesBansRemoved`,
@@ -561,7 +598,7 @@ class MySQL {
`httpRequestsSizeTotal`,
`httpDownloadSizeTotal`,
`httpRequestsTimeTotal`,
- `executionTimeTotal`) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)');
+ `executionTimeTotal`) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)');
$query->execute([
$timeAdded,
@@ -569,6 +606,7 @@ class MySQL {
$hostsUpdated,
$hostPagesDeleted,
$hostPagesDescriptionsDeleted,
+ $hostPagesDomsDeleted,
$hostPagesSnapDeleted,
$hostPagesToHostPageDeleted,
$hostPagesBansRemoved,
@@ -718,6 +756,7 @@ class MySQL {
$this->_db->query('OPTIMIZE TABLE `host`');
$this->_db->query('OPTIMIZE TABLE `hostPage`');
$this->_db->query('OPTIMIZE TABLE `hostPageDescription`');
+ $this->_db->query('OPTIMIZE TABLE `hostPageDom`');
$this->_db->query('OPTIMIZE TABLE `hostPageSnap`');
$this->_db->query('OPTIMIZE TABLE `hostPageSnapDownload`');
$this->_db->query('OPTIMIZE TABLE `hostPageToHostPage`');
diff --git a/library/vendor/simple_html_dom.php b/library/vendor/simple_html_dom.php
new file mode 100644
index 0000000..2a2f804
--- /dev/null
+++ b/library/vendor/simple_html_dom.php
@@ -0,0 +1,2353 @@
+ $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)
+ {
+ // I am SURE that this doesn't work properly.
+ // It fails to unset the current node from it's current parents nodes or
+ // children list first.
+ 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 $this->innertext();
+ }
+
+ // todo: What is the use of this callback? Remove?
+ if ($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($this->_[HDOM_INFO_INNER])) {
+ // todo:
should either never have HDOM_INFO_INNER or always
+ if ($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 = '';
+
+ // In rare cases, (always node type 1 or HDOM_TYPE_ELEMENT - observed
+ // for some span tags, and some p tags) $this->nodes is set to NULL.
+ // NOTE: This indicates that there is a problem where it's set to NULL
+ // without a clear happening.
+ // WHY is this happening?
+ if (!is_null($this->nodes)) {
+ foreach ($this->nodes as $n) {
+ // Start paragraph after a blank line
+ if ($n->tag === 'p') {
+ $ret = trim($ret) . "\n\n";
+ }
+
+ $ret .= $this->convert_text($n->text());
+
+ // If this node is a span... add a space at the end of it so
+ // multiple spans don't run into each other. This is plaintext
+ // after all.
+ if ($n->tag === 'span') {
+ $ret .= $this->dom->default_span_text;
+ }
+ }
+ }
+ return $ret;
+ }
+
+ function xmltext()
+ {
+ $ret = $this->innertext();
+ $ret = str_ireplace('', '', $ret);
+ return $ret;
+ }
+
+ function makeup()
+ {
+ // text, comment, unknown
+ if (isset($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;
+
+ // skip removed attribute
+ if ($val === null || $val === false) { continue; }
+
+ $ret .= $this->_[HDOM_INFO_SPACE][$i][0];
+
+ //no value attr: nowrap, checked selected...
+ 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(); }
+ $found_keys = array();
+
+ // find each selector
+ for ($c = 0; $c < $count; ++$c) {
+ // The change on the below line was documented on the sourceforge
+ // code tracker id 2788009
+ // used to be: if (($levle=count($selectors[0]))===0) return array();
+ if (($levle = count($selectors[$c])) === 0) { return array(); }
+ if (!isset($this->_[HDOM_INFO_BEGIN])) { return array(); }
+
+ $head = array($this->_[HDOM_INFO_BEGIN] => 1);
+ $cmd = ' '; // Combinator
+
+ // handle descendant selectors, no recursive!
+ for ($l = 0; $l < $levle; ++$l) {
+ $ret = array();
+
+ foreach ($head as $k => $v) {
+ $n = ($k === -1) ? $this->dom->root : $this->dom->nodes[$k];
+ //PaperG - Pass this optional parameter on to the seek function.
+ $n->seek($selectors[$c][$l], $ret, $cmd, $lowercase);
+ }
+
+ $head = $ret;
+ $cmd = $selectors[$c][$l][4]; // Next Combinator
+ }
+
+ foreach ($head as $k => $v) {
+ if (!isset($found_keys[$k])) {
+ $found_keys[$k] = 1;
+ }
+ }
+ }
+
+ // sort keys
+ ksort($found_keys);
+
+ $found = array();
+ foreach ($found_keys as $k => $v) {
+ $found[] = $this->dom->nodes[$k];
+ }
+
+ // return nth-element or array
+ 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 === ' ') { // Descendant Combinator
+ // Find parent closing tag if the current element doesn't have a closing
+ // tag (i.e. void element)
+ $end = (!empty($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];
+ }
+
+ // Get list of target nodes
+ $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 === '>') { // Child Combinator
+ $nodes = $this->children;
+ } elseif ($parent_cmd === '+'
+ && $this->parent
+ && in_array($this, $this->parent->children)) { // Next-Sibling Combinator
+ $index = array_search($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)) { // Subsequent Sibling Combinator
+ $index = array_search($this, $this->parent->children, true);
+ $nodes = array_slice($this->parent->children, $index);
+ }
+
+ // Go throgh each element starting at this element until the end tag
+ // Note: If this element is a void tag, any previous void element is
+ // skipped.
+ foreach($nodes as $node) {
+ $pass = true;
+
+ // Skip root nodes
+ if(!$node->parent) {
+ $pass = false;
+ }
+
+ // Handle 'text' selector
+ if($pass && $tag === 'text' && $node->tag === 'text') {
+ $ret[array_search($node, $this->dom->nodes, true)] = 1;
+ unset($node);
+ continue;
+ }
+
+ // Skip if node isn't a child node (i.e. text nodes)
+ if($pass && !in_array($node, $node->parent->children, true)) {
+ $pass = false;
+ }
+
+ // Skip if tag doesn't match
+ if ($pass && $tag !== '' && $tag !== $node->tag && $tag !== '*') {
+ $pass = false;
+ }
+
+ // Skip if ID doesn't exist
+ if ($pass && $id !== '' && !isset($node->attr['id'])) {
+ $pass = false;
+ }
+
+ // Check if ID matches
+ if ($pass && $id !== '' && isset($node->attr['id'])) {
+ // Note: Only consider the first ID (as browsers do)
+ $node_id = explode(' ', trim($node->attr['id']))[0];
+
+ if($id !== $node_id) { $pass = false; }
+ }
+
+ // Check if all class(es) exist
+ if ($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 {
+ $pass = false;
+ }
+ }
+
+ // Check attributes
+ if ($pass
+ && $attributes !== ''
+ && is_array($attributes)
+ && !empty($attributes)) {
+ foreach($attributes as $a) {
+ list (
+ $att_name,
+ $att_expr,
+ $att_val,
+ $att_inv,
+ $att_case_sensitivity
+ ) = $a;
+
+ // Handle indexing attributes (i.e. "[2]")
+ /**
+ * Note: This is not supported by the CSS Standard but adds
+ * the ability to select items compatible to XPath (i.e.
+ * the 3rd element within it's parent).
+ *
+ * Note: This doesn't conflict with the CSS Standard which
+ * doesn't work on numeric attributes anyway.
+ */
+ if (is_numeric($att_name)
+ && $att_expr === ''
+ && $att_val === '') {
+ $count = 0;
+
+ // Find index of current element in parent
+ foreach ($node->parent->children as $c) {
+ if ($c->tag === $node->tag) ++$count;
+ if ($c === $node) break;
+ }
+
+ // If this is the correct node, continue with next
+ // attribute
+ if ($count === (int)$att_name) continue;
+ }
+
+ // Check attribute availability
+ if ($att_inv) { // Attribute should NOT be set
+ if (isset($node->attr[$att_name])) {
+ $pass = false;
+ break;
+ }
+ } else { // Attribute should be set
+ // todo: "plaintext" is not a valid CSS selector!
+ if ($att_name !== 'plaintext'
+ && !isset($node->attr[$att_name])) {
+ $pass = false;
+ break;
+ }
+ }
+
+ // Continue with next attribute if expression isn't defined
+ if ($att_expr === '') continue;
+
+ // If they have told us that this is a "plaintext"
+ // search then we want the plaintext of the node - right?
+ // todo "plaintext" is not a valid CSS selector!
+ 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: '
+ . $nodeKeyValue
+ );
+ }
+
+ // If lowercase is set, do a case insensitive test of
+ // the value of the selector.
+ if ($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) {
+ $pass = false;
+ break;
+ }
+ }
+ }
+
+ // Found a match. Add to list and clear node
+ if ($pass) $ret[$node->_[HDOM_INFO_BEGIN]] = 1;
+ unset($node);
+ }
+ // It's passed by reference so this is actually what this function returns.
+ if (is_object($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, '/') . '/', $value);
+ case '|=':
+ /**
+ * [att|=val]
+ *
+ * Represents an element with the att attribute, its value
+ * either being exactly "val" or beginning with "val"
+ * immediately followed by "-" (U+002D).
+ */
+ return strpos($value, $pattern) === 0;
+ case '~=':
+ /**
+ * [att~=val]
+ *
+ * Represents an element with the att attribute whose value is a
+ * whitespace-separated list of words, one of which is exactly
+ * "val". If "val" contains whitespace, it will never represent
+ * anything (since the words are separated by spaces). Also if
+ * "val" is the empty string, it will never represent anything.
+ */
+ return in_array($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 of CSS selectors, modified from mootools (https://mootools.net/)
+ *
+ * Paperg: Add the colon to the attribute, so that it properly finds
+ * like google does.
+ *
+ * Note: if you try to look at this attribute, you MUST use getAttribute
+ * since $dom->x:y will fail the php syntax check.
+ *
+ * Notice the \[ starting the attribute? and the @? following? This
+ * implies that an attribute can begin with an @ sign that is not
+ * captured. This implies that an html attribute specifier may start
+ * with an @ sign that is NOT captured by the expression. Farther study
+ * is required to determine of this should be documented or removed.
+ *
+ * Matches selectors in this order:
+ *
+ * [0] - full match
+ *
+ * [1] - tag name
+ * ([\w:\*-]*)
+ * Matches the tag name consisting of zero or more words, colons,
+ * asterisks and hyphens.
+ *
+ * [2] - id name
+ * (?:\#([\w-]+))
+ * Optionally matches a id name, consisting of an "#" followed by
+ * the id name (one or more words and hyphens).
+ *
+ * [3] - class names (including dots)
+ * (?:\.([\w\.-]+))?
+ * Optionally matches a list of classs, consisting of an "."
+ * followed by the class name (one or more words and hyphens)
+ * where multiple classes can be chained (i.e. ".foo.bar.baz")
+ *
+ * [4] - attributes
+ * ((?:\[@?(?:!?[\w:-]+)(?:(?:[!*^$|~]?=)[\"']?(?:.*?)[\"']?)?(?:\s*?(?:[iIsS])?)?\])+)?
+ * Optionally matches the attributes list
+ *
+ * [5] - separator
+ * ([\/, >+~]+)
+ * Matches the selector list separator
+ */
+ // phpcs:ignore Generic.Files.LineLength
+ $pattern = "/([\w:\*-]*)(?:\#([\w-]+))?(?:|\.([\w\.-]+))?((?:\[@?(?:!?[\w:-]+)(?:(?:[!*^$|~]?=)[\"']?(?:.*?)[\"']?)?(?:\s*?(?:[iIsS])?)?\])+)?([\/, >+~]+)/is";
+
+ preg_match_all(
+ $pattern,
+ trim($selector_string) . ' ', // Add final ' ' as pseudo separator
+ $matches,
+ PREG_SET_ORDER
+ );
+
+ if (is_object($debug_object)) {
+ $debug_object->debug_log(2, 'Matches Array: ', $matches);
+ }
+
+ $selectors = array();
+ $result = array();
+
+ foreach ($matches as $m) {
+ $m[0] = trim($m[0]);
+
+ // Skip NoOps
+ if ($m[0] === '' || $m[0] === '/' || $m[0] === '//') { continue; }
+
+ // Convert to lowercase
+ if ($this->dom->lowercase) {
+ $m[1] = strtolower($m[1]);
+ }
+
+ // Extract classes
+ if ($m[3] !== '') { $m[3] = explode('.', $m[3]); }
+
+ /* Extract attributes (pattern based on the pattern above!)
+
+ * [0] - full match
+ * [1] - attribute name
+ * [2] - attribute expression
+ * [3] - attribute value
+ * [4] - case sensitivity
+ *
+ * Note: Attributes can be negated with a "!" prefix to their name
+ */
+ if($m[4] !== '') {
+ preg_match_all(
+ "/\[@?(!?[\w:-]+)(?:([!*^$|~]?=)[\"']?(.*?)[\"']?)?(?:\s+?([iIsS])?)?\]/is",
+ trim($m[4]),
+ $attributes,
+ PREG_SET_ORDER
+ );
+
+ // Replace element by array
+ $m[4] = array();
+
+ foreach($attributes as $att) {
+ // Skip empty matches
+ if(trim($att[0]) === '') { continue; }
+
+ $inverted = (isset($att[1][0]) && $att[1][0] === '!');
+ $m[4][] = array(
+ $inverted ? substr($att[1], 1) : $att[1], // Name
+ (isset($att[2])) ? $att[2] : '', // Expression
+ (isset($att[3])) ? $att[3] : '', // Value
+ $inverted, // Inverted Flag
+ (isset($att[4])) ? strtolower($att[4]) : '', // Case-Sensitivity
+ );
+ }
+ }
+
+ // Sanitize Separator
+ if ($m[5] !== '' && trim($m[5]) === '') { // Descendant Separator
+ $m[5] = ' ';
+ } else { // Other Separator
+ $m[5] = trim($m[5]);
+ }
+
+ // Clear Separator if it's a Selector List
+ if ($is_list = ($m[5] === ',')) { $m[5] = ''; }
+
+ // Remove full match before adding to results
+ array_shift($m);
+ $result[] = $m;
+
+ if ($is_list) { // Selector 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 ($name) {
+ case 'outertext': return true;
+ case 'innertext': return true;
+ case 'plaintext': return true;
+ }
+ //no value attr: nowrap, checked selected...
+ return (array_key_exists($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, $targetCharset) != 0)) {
+ // Check if the reported encoding could have been incorrect and the text is actually already UTF-8
+ if ((strcasecmp($targetCharset, 'UTF-8') == 0)
+ && ($this->is_utf8($text))) {
+ $converted_text = $text;
+ } else {
+ $converted_text = iconv($sourceCharset, $targetCharset, $text);
+ }
+ }
+
+ // Lets make sure that we don't have that silly BOM issue with any of the utf-8 text we output.
+ if ($targetCharset === 'UTF-8') {
+ if (substr($converted_text, 0, 3) === "\xef\xbb\xbf") {
+ $converted_text = substr($converted_text, 3);
+ }
+
+ if (substr($converted_text, -3) === "\xef\xbb\xbf") {
+ $converted_text = substr($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;
+ }
+
+ // See if there is aheight or width attribute in the tag itself.
+ if (isset($this->attr['width'])) {
+ $width = $this->attr['width'];
+ }
+
+ if (isset($this->attr['height'])) {
+ $height = $this->attr['height'];
+ }
+
+ // Now look for an inline style.
+ if (isset($this->attr['style'])) {
+ // Thanks to user gnarf from stackoverflow for this regular expression.
+ $attributes = array();
+
+ preg_match_all(
+ '/([\w-]+)\s*:\s*([^;]+)\s*;?/',
+ $this->attr['style'],
+ $matches,
+ PREG_SET_ORDER
+ );
+
+ foreach ($matches as $match) {
+ $attributes[$match[1]] = $match[2];
+ }
+
+ // If there is a width in the style attributes:
+ if (isset($attributes['width']) && $width == -1) {
+ // check that the last two characters are px (pixels)
+ if (strtolower(substr($attributes['width'], -2)) === 'px') {
+ $proposed_width = substr($attributes['width'], 0, -2);
+ // Now make sure that it's an integer and not something stupid.
+ if (filter_var($proposed_width, FILTER_VALIDATE_INT)) {
+ $width = $proposed_width;
+ }
+ }
+ }
+
+ // If there is a width in the style attributes:
+ if (isset($attributes['height']) && $height == -1) {
+ // check that the last two characters are px (pixels)
+ if (strtolower(substr($attributes['height'], -2)) == 'px') {
+ $proposed_height = substr($attributes['height'], 0, -2);
+ // Now make sure that it's an integer and not something stupid.
+ if (filter_var($proposed_height, FILTER_VALIDATE_INT)) {
+ $height = $proposed_height;
+ }
+ }
+ }
+
+ }
+
+ // Future enhancement:
+ // Look in the tag to see if there is a class or id specified that has
+ // a height or width attribute to it.
+
+ // Far future enhancement
+ // Look at all the parent tags of this image to see if they specify a
+ // class or id that has an img selector that specifies a height or width
+ // Note that in this case, the class or id will have the img subselector
+ // for it to apply to the image.
+
+ // ridiculously far future development
+ // If the class or id is specified in a SEPARATE css file thats not on
+ // the page, go get it and do what we were just doing for the ones on
+ // the page.
+
+ $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(
+ // Not optional, see
+ // https://www.w3.org/TR/html/textlevel-semantics.html#the-b-element
+ 'b' => array('b' => 1),
+ 'dd' => array('dd' => 1, 'dt' => 1),
+ // Not optional, see
+ // https://www.w3.org/TR/html/grouping-content.html#the-dl-element
+ '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,
+ $options
+ );
+ }
+ }
+ // Forcing tags to be closed implies that we don't trust the html, but
+ // it can lead to parsing errors if we SHOULD trust the html.
+ if (!$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;
+
+ // prepare
+ $this->prepare($str, $lowercase, $defaultBRText, $defaultSpanText);
+
+ // Per sourceforge http://sourceforge.net/tracker/?func=detail&aid=2949097&group_id=218559&atid=1044037
+ // Script tags removal now preceeds style tag removal.
+ // strip out