diff --git a/api/get_rbg_hls_link.php b/api/get_rbg_hls_link.php index e59d415..d468913 100644 --- a/api/get_rbg_hls_link.php +++ b/api/get_rbg_hls_link.php @@ -3,18 +3,18 @@ include_once 'CacheAccess.php'; function get_rbg_hls_link(string $url): ?string { - $html = CacheAccess::getHtml($url, 60*60*24); // this site should be static, therefore we cache it longer. + $html = CacheAccess::getHtml($url, 60 * 60 * 24); // this site should be static, therefore we cache it longer. - if($html) { - $matches = array(); + if ($html) { + $matches = []; - preg_match('/MMstartStream.*\'(.+)\'/', $html, $matches); - - if(sizeof($matches) >= 1) { - return $matches[1]; + preg_match('/MMstartStream.*\'(.+)\'/', $html, $matches); + + if (sizeof($matches) >= 1) { + return $matches[1]; + } } - } - return null; + return null; } -?> + diff --git a/api/get_rbg_stream_site.php b/api/get_rbg_stream_site.php index 385760a..dac0480 100644 --- a/api/get_rbg_stream_site.php +++ b/api/get_rbg_stream_site.php @@ -2,18 +2,17 @@ include 'simple_html_dom.php'; include_once 'CacheAccess.php'; -function ParseInformation($link) -{ +function ParseInformation($link) { // First get html of remote page $html = CacheAccess::getHtml($link); - $veranstaltung = $html->find("main", 1)->find("font", 0)->find("b", 0)->innertext; - $date = $html->find("main", 1)->find("font", 0)->find("b", 1)->innertext; - $time = $html->find("main", 1)->find("font", 0)->find("b", 2)->innertext; + $veranstaltung = $html->find("main", 1)->find("font", 0)->find("b", 0)->innertext; + $date = $html->find("main", 1)->find("font", 0)->find("b", 1)->innertext; + $time = $html->find("main", 1)->find("font", 0)->find("b", 2)->innertext; $link; if ($html) { - $matches = array(); + $matches = []; preg_match('/MMstartStream.*\'(.+)\'/', $html, $matches); @@ -23,5 +22,5 @@ function ParseInformation($link) } - return array("name" => $veranstaltung, "date" => $date, "time" => $time, "hls_url" => $link); + return ["name" => $veranstaltung, "date" => $date, "time" => $time, "hls_url" => $link]; } diff --git a/api/get_rbg_streams.php b/api/get_rbg_streams.php index 1672af6..6248d21 100644 --- a/api/get_rbg_streams.php +++ b/api/get_rbg_streams.php @@ -6,15 +6,15 @@ $html = CacheAccess::getHtml($URL); // Initialize basic data structure -$data = array(); -$data["livestreams"] = array(); -$data["vod"] = array(); -$data["vod_archive"] = array(); +$data = []; +$data["livestreams"] = []; +$data["vod"] = []; +$data["vod_archive"] = []; // First index is normally current live events (first ul) // Second index is normally VOD - current semester (second ul) // Last index is normally VOD - archive (last ul) $index = 0; -$indexToType = array(0 => "live", 1 => "vod"); +$indexToType = [0 => "live", 1 => "vod"]; // If there are currently no active livestreams, the types shift (as 0 is now vod, because there is no ul with livestream-events existing) if (strpos($html->find("main", 0), "Derzeit gibt es keine aktiven Livestreams")) { // If first is empty -> leave index of ul, if does not exist at all skip index @@ -29,67 +29,74 @@ // Find the amount of all uls on the whole html page (to identify last one) $totalLists = sizeof($html->find("ul")); // If the archive (last ul) was found already -$archiveFound = False; +$archiveFound = false; for ($index; !$archiveFound; $index++) { // Check if we are in a sub ul of an VOD-Entry (then skip as this was already read in) or if we are at the last list entry - if (!array_key_exists($index, $indexToType) && $index != $totalLists - 1) + if (!array_key_exists($index, $indexToType) && $index != $totalLists - 1) { continue; + } // Find all lists to go through them $lists = $html->find("ul", $index); // Check if we are in the archive ul if ($index == $totalLists - 1) { - $archiveFound = True; + $archiveFound = true; $indexToType[$index] = "vod_archive"; } // Got through each list entry and parse data foreach ($lists->find('li') as $entry) { - $element = array(); + $element = []; // If this is a live entry, get name and links if ($indexToType[$index] == "live") { $link = $entry->find('a'); if (sizeof($link) > 1) { // Got a Livestream-Entry - $element["info"] = array(); - $element["links"] = array(); + $element["info"] = []; + $element["links"] = []; $element["info"]["name"] = FormatText($link[0]->innertext); $element["links"]["overall"] = FormatLink($link[0]->attr["href"]); - if (sizeof($link) > 1) + if (sizeof($link) > 1) { $element["links"]["comb"] = FormatLink($link[1]->attr["href"]); - if (sizeof($link) > 2) + } + if (sizeof($link) > 2) { $element["links"]["pres"] = FormatLink($link[2]->attr["href"]); - if (sizeof($link) > 3) + } + if (sizeof($link) > 3) { $element["links"]["cam"] = FormatLink($link[3]->attr["href"]); + } } $data["livestreams"][] = $element; } else if ($indexToType[$index] == "vod") { // If this is a VOD Entry it contains a header (in bold) if ($entry->find("b") != null) { // Got a VOD Entry - $element["info"] = array(); - $element["videos"] = array(); + $element["info"] = []; + $element["videos"] = []; $element["info"]["name"] = FormatText($entry->find(".vodlistth", 0)->innertext); foreach ($entry->find("li") as $videoEntry) { - $retEntry = array(); + $retEntry = []; $link = $videoEntry->find('a'); $retEntry["info"]["name"] = FormatText($link[0]->innertext); $retEntry["links"]["overall"] = FormatLink($link[0]->attr["href"]); - if (sizeof($link) > 1) + if (sizeof($link) > 1) { $retEntry["links"]["comb"] = FormatLink($link[1]->attr["href"]); - if (sizeof($link) > 2) + } + if (sizeof($link) > 2) { $retEntry["links"]["pres"] = FormatLink($link[2]->attr["href"]); - if (sizeof($link) > 3) + } + if (sizeof($link) > 3) { $retEntry["links"]["cam"] = FormatLink($link[3]->attr["href"]); + } $element["videos"][] = $retEntry; } $data["vod"][] = $element; } } else if ($indexToType[$index] == "vod_archive") { // Got a VOD - Archive Entry - $element["info"] = array(); + $element["info"] = []; $element["info"]["name"] = FormatText($entry->find("a", 0)->innertext); $element["info"]["link"] = FormatLink($entry->find("a", 0)->attr["href"]); $data["vod_archive"][] = $element; @@ -99,16 +106,14 @@ } } -function FormatLink($string) -{ +function FormatLink($string) { if (substr($string, 0, 4) === "http") { return FormatText($string); } return FormatText("https://live.rbg.tum.de$string"); } -function FormatText($string) -{ +function FormatText($string) { $string = trim(strip_tags($string)); return $string; } diff --git a/api/simple_html_dom.php b/api/simple_html_dom.php index caa5fb4..240264c 100644 --- a/api/simple_html_dom.php +++ b/api/simple_html_dom.php @@ -46,2308 +46,2322 @@ 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 - ); - - /** - * For sourceforge users: uncomment the next line and comment the - * retrieve_url_contents line 2 lines down if it is not already done. - */ - $contents = file_get_contents( - $url, - $use_include_path, - $context, - $offset, - $maxLen - ); - // $contents = retrieve_url_contents($url); - - if (empty($contents) || strlen($contents) > $maxLen) { - $dom->clear(); - return false; - } - - return $dom->load($contents, $lowercase, $stripRN); + $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 + ); + + /** + * For sourceforge users: uncomment the next line and comment the + * retrieve_url_contents line 2 lines down if it is not already done. + */ + $contents = file_get_contents( + $url, + $use_include_path, + $context, + $offset, + $maxLen + ); + // $contents = retrieve_url_contents($url); + + 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); + $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); +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 .= '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_node { + public $nodetype = HDOM_TYPE_TEXT; + public $tag = 'text'; + public $attr = []; + public $children = []; + public $nodes = []; + public $parent = null; + public $_ = []; + 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, [$this]); + } + + if (isset($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 .= $this->_[HDOM_INFO_INNER]; + } + } else if ($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 .= '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 []; + } + $found_keys = []; + + // find each selector + for ($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[$c])) === 0) { + return []; + } + if (!isset($this->_[HDOM_INFO_BEGIN])) { + return []; + } + + $head = [$this->_[HDOM_INFO_BEGIN] => 1]; + $cmd = ' '; // Combinator + + // handle descendant selectors, no recursive! + for ($l = 0; $l < $levle; ++$l) { + $ret = []; + + foreach ($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); + + $found = []; + foreach ($found_keys as $k => $v) { + $found[] = $this->dom->nodes[$k]; + } + + // return nth-element or array + if (is_null($idx)) { + return $found; + } else if ($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)) { + $debug_object->debug_log_entry(1); + } + + [$tag, $id, $class, $attributes, $cmb] = $selector; + $nodes = []; + + if ($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, $nodes_count, true); + } else if ($parent_cmd === '>') { // Child Combinator + $nodes = $this->children; + } else if ($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]; + } + } else if ($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) { + [ + $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 = []; + $result = []; + + foreach ($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 + $m[4] = []; + + foreach ($attributes as $att) { + // Skip empty matches + if (trim($att[0]) === '') { + continue; + } + + $inverted = (isset($att[1][0]) && $att[1][0] === '!'); + $m[4][] = [ + $inverted ? substr($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; + $result = []; + } + } + + if (count($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][] = [' ', '', '']; + $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 (($c >= 254)) { + return false; + } else if ($c >= 252) { + $bits = 6; + } else if ($c >= 248) { + $bits = 5; + } else if ($c >= 240) { + $bits = 4; + } else if ($c >= 224) { + $bits = 3; + } else if ($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 = []; + + 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 = [ + '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