Add myway card balance/transaction API
Add myway card balance/transaction API

--- /dev/null
+++ b/myway_api.json.php
@@ -1,1 +1,123 @@
+<?php
+function cleanString($subject)
+{
+	$subject = str_replace("&nbsp;", " ", $subject);
+	$subject = str_replace("&", "&amp;", $subject);
+	$subject = preg_replace('/[^\r\n\t\x20-\x7E\xA0-\xFF]/', '', $subject);
+	$subject = str_replace("  ", " ", $subject);
+	return trim($subject);
+}
+$return = Array();
+/*if (file_exists("mywayresponse.txt")) {
+	@$fh = fopen("mywayresponse.txt", 'r');
+	if ($fh) {
+		$pageHTML = fread($fh, filesize("mywayresponse.txt"));
+		fclose($fh);
+	}
+}*/
+//set POST variables
+$url = 'https://www.action.act.gov.au/ARTS/use_Funcs.asp';
+$field_mapping = Array(
+	"card_number" => "SRNO",
+	"DOBmonth" => "month",
+	"DOBday" => "day",
+	"DOByear" => "year",
+	"secret_answer" => "pwrd",
+	"button" => "button"
+);
+foreach (Array(
+	"card_number",
+	"DOBday",
+	"DOBmonth",
+	"DOByear"
+) as $field_name) {
+	if (isset($_REQUEST[$field_name])) {
+		$fields[$field_name] = filter_var($_REQUEST[$field_name], FILTER_SANITIZE_NUMBER_INT);
+	}
+	else {
+		$return["error"][] = $field_name. " parameter invalid or unspecified";
+	}
+}
+if (isset($_REQUEST['secret_answer'])) {
+	$fields['secret_answer'] = filter_var($_REQUEST['secret_answer'], FILTER_SANITIZE_STRING, Array(
+		FILTER_FLAG_NO_ENCODE_QUOTES,
+		FILTER_FLAG_STRIP_HIGH,
+		FILTER_FLAG_STRIP_LOW
+	));
+}
+else {
+	$return["error"][] = "secret_answer parameter invalid or unspecified";
+}
+$fields['button'] = 'Submit';
+$fields_string = "";
+//url-ify the data for the POST
+foreach ($fields as $key => $value) {
+	if (sizeof($value) === 0) $return['error'][] = $key . " parameter invalid or unspecified";
+	$fields_string.= $field_mapping[$key] . '=' . $value . '&';
+}
+$fields_string = rtrim($fields_string, '&');
+if (!isset($return['error'])) {
+	//open connection
+	$ch = curl_init();
+	//set the url, number of POST vars, POST data
+	curl_setopt($ch, CURLOPT_URL, $url);
+	curl_setopt($ch, CURLOPT_POST, count($fields));
+	curl_setopt($ch, CURLOPT_POSTFIELDS, $fields_string);
+	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+	curl_setopt($ch, CURLOPT_HEADER, 0);
+	curl_setopt($ch, CURLOPT_TIMEOUT, 30);
+	//execute post
+	$pageHTML = curl_exec($ch);
+	if (curl_errno($ch)) $return["error"][] = "Network error " . curl_errno($ch) . " " . curl_error($ch) . " " . $url . $fields_string;
+	//close connection
+	curl_close($ch);
+}
+if (!isset($return['error'])) {
+	include_once ('simple_html_dom.php');
+	$page = str_get_html($pageHTML);
+	$pageAlerts = $page->find(".smartCardAlert");
+	if (sizeof($pageAlerts) > 0) {
+		$return['error'][] = $pageAlerts[0]->plaintext;
+	}
+	if (!isset($return['error'])) {
+		$tableNum = 0;
+		$tableName = Array(
+			1 => "myway_carddetails",
+			2 => "myway_transactions"
+		);
+		foreach ($page->find("table") as $table) {
+			$tableNum++;
+			$tableColumns = Array();
+			$tableColumnNum = 0;
+			foreach ($table->find("th") as $th) {
+				$tableColumns[$tableColumnNum] = cleanString($th->plaintext);
+				$tableColumnNum++;
+			}
+			$tableRowNum = 0;
+			foreach ($table->find("tr") as $tr) {
+				$tableColumnNum = 0;
+				foreach ($tr->find("td") as $td) {
+					$return[$tableName[$tableNum]][$tableRowNum][$tableColumns[$tableColumnNum]] = cleanString($td->plaintext);
+					$tableColumnNum++;
+				}
+				$tableRowNum++;
+			}
+		}
+	}
+}
+if (sizeof($return) == 0) {
+$return['error'][] = "No data extracted from MyWay website - API may be out of date";
+print $pageHTML;
+}
+header('Content-Type: text/javascript; charset=utf8');
+// header('Access-Control-Allow-Origin: http://bus.lambdacomplex.org/');
+header('Access-Control-Max-Age: 3628800');
+header('Access-Control-Allow-Methods: GET, POST, PUT, DELETE');
+if (isset($_GET['callback'])) {
+	$json = '(' . json_encode($return) . ');'; //must wrap in parens and end with semicolon
+	print_r($_GET['callback'] . $json); //callback is prepended for json-p
+	
+}
+else echo json_encode($return);
+?>
 

--- /dev/null
+++ b/simple_html_dom.php
@@ -1,1 +1,975 @@
-
+<?php

+/*******************************************************************************

+Version: 1.11 ($Rev: 175 $)

+Website: http://sourceforge.net/projects/simplehtmldom/

+Author: S.C. Chen <me578022@gmail.com>

+Acknowledge: Jose Solorzano (https://sourceforge.net/projects/php-html/)

+Contributions by:

+    Yousuke Kumakura (Attribute filters)

+    Vadim Voituk (Negative indexes supports of "find" method)

+    Antcs (Constructor with automatically load contents either text or file/url)

+Licensed under The MIT License

+Redistributions of files must retain the above copyright notice.

+*******************************************************************************/

+

+define('HDOM_TYPE_ELEMENT', 1);

+define('HDOM_TYPE_COMMENT', 2);

+define('HDOM_TYPE_TEXT',    3);

+define('HDOM_TYPE_ENDTAG',  4);

+define('HDOM_TYPE_ROOT',    5);

+define('HDOM_TYPE_UNKNOWN', 6);

+define('HDOM_QUOTE_DOUBLE', 0);

+define('HDOM_QUOTE_SINGLE', 1);

+define('HDOM_QUOTE_NO',     3);

+define('HDOM_INFO_BEGIN',   0);

+define('HDOM_INFO_END',     1);

+define('HDOM_INFO_QUOTE',   2);

+define('HDOM_INFO_SPACE',   3);

+define('HDOM_INFO_TEXT',    4);

+define('HDOM_INFO_INNER',   5);

+define('HDOM_INFO_OUTER',   6);

+define('HDOM_INFO_ENDSPACE',7);

+

+// helper functions

+// -----------------------------------------------------------------------------

+// get html dom form file

+function file_get_html() {

+    $dom = new simple_html_dom;

+    $args = func_get_args();

+    $dom->load(call_user_func_array('file_get_contents', $args), true);

+    return $dom;

+}

+

+// get html dom form string

+function str_get_html($str, $lowercase=true) {

+    $dom = new simple_html_dom;

+    $dom->load($str, $lowercase);

+    return $dom;

+}

+

+// dump html dom tree

+function dump_html_tree($node, $show_attr=true, $deep=0) {

+    $lead = str_repeat('    ', $deep);

+    echo $lead.$node->tag;

+    if ($show_attr && count($node->attr)>0) {

+        echo '(';

+        foreach($node->attr as $k=>$v)

+            echo "[$k]=>\"".$node->$k.'", ';

+        echo ')';

+    }

+    echo "\n";

+

+    foreach($node->nodes as $c)

+        dump_html_tree($c, $show_attr, $deep+1);

+}

+

+// get dom form file (deprecated)

+function file_get_dom() {

+    $dom = new simple_html_dom;

+    $args = func_get_args();

+    $dom->load(call_user_func_array('file_get_contents', $args), true);

+    return $dom;

+}

+

+// get dom form string (deprecated)

+function str_get_dom($str, $lowercase=true) {

+    $dom = new simple_html_dom;

+    $dom->load($str, $lowercase);

+    return $dom;

+}

+

+// simple html dom 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();

+    private $dom = null;

+

+    function __construct($dom) {

+        $this->dom = $dom;

+        $dom->nodes[] = $this;

+    }

+

+    function __destruct() {

+        $this->clear();

+    }

+

+    function __toString() {

+        return $this->outertext();

+    }

+

+    // clean up memory due to php5 circular references memory leak...

+    function clear() {

+        $this->dom = null;

+        $this->nodes = null;

+        $this->parent = null;

+        $this->children = null;

+    }

+    

+    // dump node's tree

+    function dump($show_attr=true) {

+        dump_html_tree($this, $show_attr);

+    }

+

+    // returns the parent of node

+    function parent() {

+        return $this->parent;

+    }

+

+    // returns children of node

+    function children($idx=-1) {

+        if ($idx===-1) return $this->children;

+        if (isset($this->children[$idx])) return $this->children[$idx];

+        return null;

+    }

+

+    // returns the first child of node

+    function first_child() {

+        if (count($this->children)>0) return $this->children[0];

+        return null;

+    }

+

+    // returns the last child of node

+    function last_child() {

+        if (($count=count($this->children))>0) return $this->children[$count-1];

+        return null;

+    }

+

+    // returns the next sibling of node    

+    function next_sibling() {

+        if ($this->parent===null) return null;

+        $idx = 0;

+        $count = count($this->parent->children);

+        while ($idx<$count && $this!==$this->parent->children[$idx])

+            ++$idx;

+        if (++$idx>=$count) return null;

+        return $this->parent->children[$idx];

+    }

+

+    // returns the previous sibling of node

+    function prev_sibling() {

+        if ($this->parent===null) return null;

+        $idx = 0;

+        $count = count($this->parent->children);

+        while ($idx<$count && $this!==$this->parent->children[$idx])

+            ++$idx;

+        if (--$idx<0) return null;

+        return $this->parent->children[$idx];

+    }

+

+    // get dom node's inner html

+    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;

+    }

+

+    // get dom node's outer text (with tag)

+    function outertext() {

+        if ($this->tag==='root') return $this->innertext();

+

+        // trigger callback

+        if ($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]);

+

+        // render begin tag

+        $ret = $this->dom->nodes[$this->_[HDOM_INFO_BEGIN]]->makeup();

+

+        // render inner text

+        if (isset($this->_[HDOM_INFO_INNER]))

+            $ret .= $this->_[HDOM_INFO_INNER];

+        else {

+            foreach($this->nodes as $n)

+                $ret .= $n->outertext();

+        }

+

+        // render end tag

+        if(isset($this->_[HDOM_INFO_END]) && $this->_[HDOM_INFO_END]!=0)

+            $ret .= '</'.$this->tag.'>';

+        return $ret;

+    }

+

+    // get dom node's plain text

+    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 = '';

+        foreach($this->nodes as $n)

+            $ret .= $n->text();

+        return $ret;

+    }

+    

+    function xmltext() {

+        $ret = $this->innertext();

+        $ret = str_ireplace('<![CDATA[', '', $ret);

+        $ret = str_replace(']]>', '', $ret);

+        return $ret;

+    }

+

+    // build node's text with tag

+    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] . '>';

+    }

+

+    // find elements by css selector

+    function find($selector, $idx=null) {

+        $selectors = $this->parse_selector($selector);

+        if (($count=count($selectors))===0) return array();

+        $found_keys = array();

+

+        // find each selector

+        for ($c=0; $c<$count; ++$c) {

+            if (($levle=count($selectors[0]))===0) return array();

+            if (!isset($this->_[HDOM_INFO_BEGIN])) return array();

+

+            $head = array($this->_[HDOM_INFO_BEGIN]=>1);

+

+            // 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];

+                    $n->seek($selectors[$c][$l], $ret);

+                }

+                $head = $ret;

+            }

+

+            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;

+		else if ($idx<0) $idx = count($found) + $idx;

+        return (isset($found[$idx])) ? $found[$idx] : null;

+    }

+

+    // seek for given conditions

+    protected function seek($selector, &$ret) {

+        list($tag, $key, $val, $exp, $no_key) = $selector;

+

+        // xpath index

+        if ($tag && $key && is_numeric($key)) {

+            $count = 0;

+            foreach ($this->children as $c) {

+                if ($tag==='*' || $tag===$c->tag) {

+                    if (++$count==$key) {

+                        $ret[$c->_[HDOM_INFO_BEGIN]] = 1;

+                        return;

+                    }

+                }

+            } 

+            return;

+        }

+

+        $end = (!empty($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];

+        }

+

+        for($i=$this->_[HDOM_INFO_BEGIN]+1; $i<$end; ++$i) {

+            $node = $this->dom->nodes[$i];

+            $pass = true;

+

+            if ($tag==='*' && !$key) {

+                if (in_array($node, $this->children, true))

+                    $ret[$i] = 1;

+                continue;

+            }

+

+            // compare tag

+            if ($tag && $tag!=$node->tag && $tag!=='*') {$pass=false;}

+            // compare key

+            if ($pass && $key) {

+                if ($no_key) {

+                    if (isset($node->attr[$key])) $pass=false;

+                }

+                else if (!isset($node->attr[$key])) $pass=false;

+            }

+            // compare value

+            if ($pass && $key && $val  && $val!=='*') {

+                $check = $this->match($exp, $val, $node->attr[$key]);

+                // handle multiple class

+                if (!$check && strcasecmp($key, 'class')===0) {

+                    foreach(explode(' ',$node->attr[$key]) as $k) {

+                        $check = $this->match($exp, $val, $k);

+                        if ($check) break;

+                    }

+                }

+                if (!$check) $pass = false;

+            }

+            if ($pass) $ret[$i] = 1;

+            unset($node);

+        }

+    }

+

+    protected function match($exp, $pattern, $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 '*=':

+                if ($pattern[0]=='/')

+                    return preg_match($pattern, $value);

+                return preg_match("/".$pattern."/i", $value);

+        }

+        return false;

+    }

+

+    protected function parse_selector($selector_string) {

+        // pattern of CSS selectors, modified from mootools

+        $pattern = "/([\w-:\*]*)(?:\#([\w-]+)|\.([\w-]+))?(?:\[@?(!?[\w-]+)(?:([!*^$]?=)[\"']?(.*?)[\"']?)?\])?([\/, ]+)/is";

+        preg_match_all($pattern, trim($selector_string).' ', $matches, PREG_SET_ORDER);

+        $selectors = array();

+        $result = array();

+        //print_r($matches);

+

+        foreach ($matches as $m) {

+            $m[0] = trim($m[0]);

+            if ($m[0]==='' || $m[0]==='/' || $m[0]==='//') continue;

+            // for borwser grnreated xpath

+            if ($m[1]==='tbody') continue;

+

+            list($tag, $key, $val, $exp, $no_key) = array($m[1], null, null, '=', false);

+            if(!empty($m[2])) {$key='id'; $val=$m[2];}

+            if(!empty($m[3])) {$key='class'; $val=$m[3];}

+            if(!empty($m[4])) {$key=$m[4];}

+            if(!empty($m[5])) {$exp=$m[5];}

+            if(!empty($m[6])) {$val=$m[6];}

+

+            // convert to lowercase

+            if ($this->dom->lowercase) {$tag=strtolower($tag); $key=strtolower($key);}

+            //elements that do NOT have the specified attribute

+            if (isset($key[0]) && $key[0]==='!') {$key=substr($key, 1); $no_key=true;}

+

+            $result[] = array($tag, $key, $val, $exp, $no_key);

+            if (trim($m[7])===',') {

+                $selectors[] = $result;

+                $result = array();

+            }

+        }

+        if (count($result)>0)

+            $selectors[] = $result;

+        return $selectors;

+    }

+

+    function __get($name) {

+        if (isset($this->attr[$name])) return $this->attr[$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) {

+        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]);

+    }

+

+    // camel naming conventions

+    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 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();}

+}

+

+// simple html dom parser

+// -----------------------------------------------------------------------------

+class simple_html_dom {

+    public $root = null;

+    public $nodes = array();

+    public $callback = null;

+    public $lowercase = false;

+    protected $pos;

+    protected $doc;

+    protected $char;

+    protected $size;

+    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 = ' >';

+    // use isset instead of in_array, performance boost about 30%...

+    protected $self_closing_tags = array('img'=>1, 'br'=>1, 'input'=>1, 'meta'=>1, 'link'=>1, 'hr'=>1, 'base'=>1, 'embed'=>1, 'spacer'=>1);

+    protected $block_tags = array('root'=>1, 'body'=>1, 'form'=>1, 'div'=>1, 'span'=>1, 'table'=>1);

+    protected $optional_closing_tags = array(

+        'tr'=>array('tr'=>1, 'td'=>1, 'th'=>1),

+        'th'=>array('th'=>1),

+        'td'=>array('td'=>1),

+        'li'=>array('li'=>1),

+        'dt'=>array('dt'=>1, 'dd'=>1),

+        'dd'=>array('dd'=>1, 'dt'=>1),

+        'dl'=>array('dd'=>1, 'dt'=>1),

+        'p'=>array('p'=>1),

+        'nobr'=>array('nobr'=>1),

+    );

+

+    function __construct($str=null) {

+        if ($str) {

+            if (preg_match("/^http:\/\//i",$str) || is_file($str)) 

+                $this->load_file($str); 

+            else

+                $this->load($str);

+        }

+    }

+

+    function __destruct() {

+        $this->clear();

+    }

+

+    // load html from string

+    function load($str, $lowercase=true) {

+        // prepare

+        $this->prepare($str, $lowercase);

+        // strip out comments

+        $this->remove_noise("'<!--(.*?)-->'is");

+        // strip out cdata

+        $this->remove_noise("'<!\[CDATA\[(.*?)\]\]>'is", true);

+        // strip out <style> tags

+        $this->remove_noise("'<\s*style[^>]*[^/]>(.*?)<\s*/\s*style\s*>'is");

+        $this->remove_noise("'<\s*style\s*>(.*?)<\s*/\s*style\s*>'is");

+        // strip out <script> tags

+        $this->remove_noise("'<\s*script[^>]*[^/]>(.*?)<\s*/\s*script\s*>'is");

+        $this->remove_noise("'<\s*script\s*>(.*?)<\s*/\s*script\s*>'is");

+        // strip out preformatted tags

+        $this->remove_noise("'<\s*(?:code)[^>]*>(.*?)<\s*/\s*(?:code)\s*>'is");

+        // strip out server side scripts

+        $this->remove_noise("'(<\?)(.*?)(\?>)'s", true);

+        // strip smarty scripts

+        $this->remove_noise("'(\{\w)(.*?)(\})'s", true);

+

+        // parsing

+        while ($this->parse());

+        // end

+        $this->root->_[HDOM_INFO_END] = $this->cursor;

+    }

+

+    // load html from file

+    function load_file() {

+        $args = func_get_args();

+        $this->load(call_user_func_array('file_get_contents', $args), true);

+    }

+

+    // set callback function

+    function set_callback($function_name) {

+        $this->callback = $function_name;

+    }

+

+    // remove callback function

+    function remove_callback() {

+        $this->callback = null;

+    }

+

+    // save dom as string

+    function save($filepath='') {

+        $ret = $this->root->innertext();

+        if ($filepath!=='') file_put_contents($filepath, $ret);

+        return $ret;

+    }

+

+    // find dom node by css selector

+    function find($selector, $idx=null) {

+        return $this->root->find($selector, $idx);

+    }

+

+    // clean up memory due to php5 circular references memory leak...

+    function clear() {

+        foreach($this->nodes as $n) {$n->clear(); $n = null;}

+        if (isset($this->parent)) {$this->parent->clear(); unset($this->parent);}

+        if (isset($this->root)) {$this->root->clear(); unset($this->root);}

+        unset($this->doc);

+        unset($this->noise);

+    }

+    

+    function dump($show_attr=true) {

+        $this->root->dump($show_attr);

+    }

+

+    // prepare HTML data and init everything

+    protected function prepare($str, $lowercase=true) {

+        $this->clear();

+        $this->doc = $str;

+        $this->pos = 0;

+        $this->cursor = 1;

+        $this->noise = array();

+        $this->nodes = array();

+        $this->lowercase = $lowercase;

+        $this->root = new simple_html_dom_node($this);

+        $this->root->tag = 'root';

+        $this->root->_[HDOM_INFO_BEGIN] = -1;

+        $this->root->nodetype = HDOM_TYPE_ROOT;

+        $this->parent = $this->root;

+        // set the length of content

+        $this->size = strlen($str);

+        if ($this->size>0) $this->char = $this->doc[0];

+    }

+

+    // parse html content

+    protected function parse() {

+        if (($s = $this->copy_until_char('<'))==='')

+            return $this->read_tag();

+

+        // text

+        $node = new simple_html_dom_node($this);

+        ++$this->cursor;

+        $node->_[HDOM_INFO_TEXT] = $s;

+        $this->link_nodes($node, false);

+        return true;

+    }

+

+    // read tag info

+    protected function read_tag() {

+        if ($this->char!=='<') {

+            $this->root->_[HDOM_INFO_END] = $this->cursor;

+            return false;

+        }

+        $begin_tag_pos = $this->pos;

+        $this->char = (++$this->pos<$this->size) ? $this->doc[$this->pos] : null; // next

+

+        // end tag

+        if ($this->char==='/') {

+            $this->char = (++$this->pos<$this->size) ? $this->doc[$this->pos] : null; // next

+            $this->skip($this->token_blank_t);

+            $tag = $this->copy_until_char('>');

+

+            // skip attributes in end tag

+            if (($pos = strpos($tag, ' '))!==false)

+                $tag = substr($tag, 0, $pos);

+

+            $parent_lower = strtolower($this->parent->tag);

+            $tag_lower = strtolower($tag);

+

+            if ($parent_lower!==$tag_lower) {

+                if (isset($this->optional_closing_tags[$parent_lower]) && isset($this->block_tags[$tag_lower])) {

+                    $this->parent->_[HDOM_INFO_END] = 0;

+                    $org_parent = $this->parent;

+

+                    while (($this->parent->parent) && strtolower($this->parent->tag)!==$tag_lower)

+                        $this->parent = $this->parent->parent;

+

+                    if (strtolower($this->parent->tag)!==$tag_lower) {

+                        $this->parent = $org_parent; // restore origonal parent

+                        if ($this->parent->parent) $this->parent = $this->parent->parent;

+                        $this->parent->_[HDOM_INFO_END] = $this->cursor;

+                        return $this->as_text_node($tag);

+                    }

+                }

+                else if (($this->parent->parent) && isset($this->block_tags[$tag_lower])) {

+                    $this->parent->_[HDOM_INFO_END] = 0;

+                    $org_parent = $this->parent;

+

+                    while (($this->parent->parent) && strtolower($this->parent->tag)!==$tag_lower)

+                        $this->parent = $this->parent->parent;

+

+                    if (strtolower($this->parent->tag)!==$tag_lower) {

+                        $this->parent = $org_parent; // restore origonal parent

+                        $this->parent->_[HDOM_INFO_END] = $this->cursor;

+                        return $this->as_text_node($tag);

+                    }

+                }

+                else if (($this->parent->parent) && strtolower($this->parent->parent->tag)===$tag_lower) {

+                    $this->parent->_[HDOM_INFO_END] = 0;

+                    $this->parent = $this->parent->parent;

+                }

+                else

+                    return $this->as_text_node($tag);

+            }

+

+            $this->parent->_[HDOM_INFO_END] = $this->cursor;

+            if ($this->parent->parent) $this->parent = $this->parent->parent;

+

+            $this->char = (++$this->pos<$this->size) ? $this->doc[$this->pos] : null; // next

+            return true;

+        }

+

+        $node = new simple_html_dom_node($this);

+        $node->_[HDOM_INFO_BEGIN] = $this->cursor;

+        ++$this->cursor;

+        $tag = $this->copy_until($this->token_slash);

+

+        // doctype, cdata & comments...

+        if (isset($tag[0]) && $tag[0]==='!') {

+            $node->_[HDOM_INFO_TEXT] = '<' . $tag . $this->copy_until_char('>');

+

+            if (isset($tag[2]) && $tag[1]==='-' && $tag[2]==='-') {

+                $node->nodetype = HDOM_TYPE_COMMENT;

+                $node->tag = 'comment';

+            } else {

+                $node->nodetype = HDOM_TYPE_UNKNOWN;

+                $node->tag = 'unknown';

+            }

+

+            if ($this->char==='>') $node->_[HDOM_INFO_TEXT].='>';

+            $this->link_nodes($node, true);

+            $this->char = (++$this->pos<$this->size) ? $this->doc[$this->pos] : null; // next

+            return tru