jhuckaby/cc-news-widget.php

## cc-news-widget.php
<?php

// RSS Feed Widget for CubixCloud
// by Joseph Huckaby
// Copyright (c) 2012 CubixCloud.com

// Insert this into your HTML:
// <iframe width="570" height="243" frameborder="0" src="cc-news-widget.php" marginwidth="0" marginheight="0" vspace="0" hspace="0" scrolling="no"></iframe>

$rss_url = 'http://blog.cubixcloud.com/feed';

$feed = XML_unserialize( file_get_contents($rss_url) );
$articles = alwaysArray( $feed['rss']['channel']['item'] );

?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>CubixCloud Blog</title>
<base href="http://blog.cubixcloud.com/" />

              <style type='text/css'>
              body{margin:0;padding:0;overflow-x:hidden;}
              #container{overflow:hidden;margin:0;padding:0;width:570px;height:243px;font-family:helvetica;font-size:13px;border:0px solid #CCCCCC;}
              #header{margin:0px;padding:5px 5px 5px 5px;color:#FFFFFF;background-color:#0066FF;}
              #header .feed_title{margin:0;padding:0;font-weight:bold;}
              #header .feed_title a:link{color:#FFFFFF;text-decoration:none;}
              #header .feed_title a:visited{color:#FFFFFF;text-decoration:none;}
              #header .feed_title a:hover{color:#FFFFFF;text-decoration:underline;}
              #header .feed_title a:active{color:#FFFFFF;text-decoration:none;}
              #content{margin:0px;padding:5px 0px 0px 0px;background-color:#f2f2f2;}
              #content .feed_item{margin:0 0 7px 0;padding:0 0 7px 0;border-bottom:1px dashed #CCCCCC;}
              #content .feed_item_title{margin:1px 0 1px 3px;padding:1px 2px 1px 3px;color:#666666;font-weight:bold;}
              #content .feed_item_title a:link{color:#666666;text-decoration:none;}
              #content .feed_item_title a:visited{color:#666666;text-decoration:none;}
              #content .feed_item_title a:hover{color:#666666;text-decoration:underline;}
              #content .feed_item_title a:active{color:#666666;text-decoration:none;}
              #content .feed_item_podcast{margin:0 0 0 3px;padding:0 0 0 3px;}
              #content .feed_item_description {
  			margin:0 0 0 3px;
				padding:0 2px 0 3px;
				color:#666666;
				line-height:17px;
				height:17px;
				white-space: nowrap;
			  	width: 555px;
			  	overflow: hidden;
				text-overflow:ellipsis;
			  }
              #footer{display:none;height:0px;margin:0px;padding:0px;color:#FFFFFF;background-color:#f2f2f2;}
              </style>

        </head>
        <body>
        <div id="container"><div id="content">

<?php

foreach ($articles as $article) {
	print '<div class="feed_item"><div class="feed_item_title"><a href="'.$article['link'].'" target="_blank">'.$article['title'].'</a></div><div class="feed_item_description">'.$article['description'].'</div></div>' . "\n";
}

?>

</div><div id="footer"></div></div>

</body></html>
<?php

// Joe's PHP XML Parser
// Copyright (c) 2005 - 2012 by Joseph Huckaby
// MIT Licensed

// store last xml parser error
$last_xml_error = null;

class XML {
	public $parser;              // PHP XML parser object
	public $tree;                // XML hash tree
	public $name;                // Root document node name
	public $error;               // Last error encountered and line #
	public $collapseAttribs = 0; // Set to 1 to collapse attributes into parent node
	public $indentString = "\t"; // Pretty-print indent string for composing
	public $output;              // Holds XML output while composing
	public $dtdNode;             // DTD node to be composed under PI node
	public $compress = 0;        // Whether to compress output (no whitespace)

	function XML($xmlstring="") {
		// Class constructor
		// If string is passed in, parse immediately
		$this->dtdNode = "";

		if ($xmlstring) return( $this->parse($xmlstring) );
		return true;
	}

	function parse($xmlstring="") {
		// Parse text into XML hash tree
		// Returns root node
		$this->parser = xml_parser_create();
		$this->tree = array();
		$this->name = "";
		$this->clearError();

		// Setup PHP XML parser
		xml_set_object($this->parser, $this);
		xml_parser_set_option($this->parser, XML_OPTION_CASE_FOLDING, false);
		xml_set_element_handler($this->parser, "startElement", "endElement");
		xml_set_character_data_handler($this->parser, "characterData");

		// If argument was file instead of string, load it now
		if (!preg_match("/<.+?>/", $xmlstring)) $xmlstring = file_get_contents($xmlstring);
		if (!$xmlstring || !strlen($xmlstring)) {
			$this->throwError("File not found");
			xml_parser_free($this->parser);
			return false;
		} // file not found

		// Issue command to parse
		$result = xml_parse($this->parser, $xmlstring);
		if (!$result) {
			// error occured -- get string, line number and return false
			$code = xml_get_error_code( $this->parser );
			$this->throwError( xml_error_string( $code ) . " on line " . xml_get_current_line_number( $this->parser ) );
			xml_parser_free($this->parser);
			return false;
		}

		// Success -- free parser memory and return hash tree
		xml_parser_free($this->parser);
		return $this->tree;
	}

	function clearError() {
		// clear error state
		global $last_xml_error;
		$last_xml_error = null;
		$this->error = null;
	}

	function throwError($msg) {
		// set error state
		global $last_xml_error;
		$last_xml_error = $msg;
		$this->error = $msg;
	}

	function startElement($parser, $name, $attribs) {
		// Callback function for PHP XML parser
		// called when new elements are opened

		$node = array();
		$node["_Name"] = $name;

		if (count($attribs)) {
			// Element has attributes -- gather them first
			if ($this->collapseAttribs) {
				foreach ($attribs as $key => $value) {
					$node[$key] = $value;
				}
			}
			else {
				$node["_Attribs"] = array();
				foreach ($attribs as $key => $value) {
					$node["_Attribs"][$key] = $value;
				}
			}
		}

		// Add new node onto stack
		array_push( $this->tree, $node );
	}

	function endElement($parser, $name) {
		// Callback function for PHP XML parser
		// called when elements are closed

		// Pop most recent node off stack
		$node = array_pop( $this->tree );

		// Trim whitespace from text data and delete
		// if it is empty
		if (isset($node["_Data"])) {
			$node["_Data"] = trim($node["_Data"]);
			if (!preg_match("/\S/", $node["_Data"])) unset($node["_Data"]);
		}

		// Extract name of node
		$name = $node["_Name"];
		unset($node["_Name"]);

		// $payload is a reference to the node object, or just
		// the text data if there are no attribs or child elements
		$payload = &$node;

		// Count number of nodes left in stack
		$lastnode = count($this->tree);
		if (!$lastnode) {
			// This the root node being closed, so we are done
			// Set $tree to this node and return immediately.
			$this->name = $name;
			$this->tree = $node;
			return;
		}
		else if ((isset($node["_Data"]) && count($node) == 1) || !count($node)) {
			// simple text node or empty node -- collapse so that
			// payload points to text data only
			if (!isset($node["_Data"])) $node["_Data"] = "";
			$payload = &$node["_Data"];
		}

		// Now we add this node as a child of our parent node
		if (!isset($this->tree[$lastnode-1][$name]) || !$this->tree[$lastnode-1][$name]) {
			// first time for this node name in parent node
			// point directly to us (don't use array yet)
			$this->tree[$lastnode-1][$name] = $payload;
		}
		else if (is_array($this->tree[$lastnode-1][$name]) && isset($this->tree[$lastnode-1][$name][0])) {
			// node name already exists in parent node, and is real array
			// so just push our node on the end
			// print_r( $this->tree[$lastnode-1][$name] );

			array_push( $this->tree[$lastnode-1][$name], $payload );
		}
		else {
			// node name exists in parent node, but need to convert to true array
			// and push our node on the end
			$temp = $this->tree[$lastnode-1][$name];
			$this->tree[$lastnode-1][$name] = array();
			array_push( $this->tree[$lastnode-1][$name], $temp );
			array_push( $this->tree[$lastnode-1][$name], $payload );
		}
	}

	function characterData($parser, $data) {
		// Callback function for PHP XML parser
		// called when text data is encountered

		$lastnode = count($this->tree);
		if (!isset($this->tree[$lastnode-1]["_Data"]) || !$this->tree[$lastnode-1]["_Data"])
			$this->tree[$lastnode-1]["_Data"] = "";
		$this->tree[$lastnode-1]["_Data"] .= $data;
	}

	function getLastError() {
		// Return last error encountered as string
		// Also contains line number in source XML file
		return $this->error;
	}

	function getTree() {
		// Return hash tree
		return $this->tree;
	}

	function setDTDNode($text) {
		// set pre-composed DTD node for composing
		$this->dtdNode = $text;
	}
} // class XML

/**
 * Static utility functions
 **/

function alwaysArray($obj) {
	// detect if $obj is an associative array or a true array
	// if associative, put inside a new true array as element 0
	if (!is_array($obj) || (is_array($obj) && !isset($obj[0]))) return array($obj);
	else return $obj;
}

function XML_unserialize($text) {
	// static wrapper around XML parser
	// includes document node in object
	$parser = new XML();
	$tree = $parser->parse( $text );
	if (!$tree) return null;
	else {
		// wrap document in root node
		$xml = array();
		$xml[ $parser->name ] = $tree;
		return $xml;
	}
}

?>
	<?php

	// RSS Feed Widget for CubixCloud
	// by Joseph Huckaby
	// Copyright (c) 2012 CubixCloud.com

	// Insert this into your HTML:
	// <iframe width="570" height="243" frameborder="0" src="cc-news-widget.php" marginwidth="0" marginheight="0" vspace="0" hspace="0" scrolling="no"></iframe>

	$rss_url = 'http://blog.cubixcloud.com/feed';

	$feed = XML_unserialize( file_get_contents($rss_url) );
	$articles = alwaysArray( $feed['rss']['channel']['item'] );

	?>
	<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
	<html xmlns="http://www.w3.org/1999/xhtml">
	<head>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
	<title>CubixCloud Blog</title>
	<base href="http://blog.cubixcloud.com/" />

	<style type='text/css'>
	body{margin:0;padding:0;overflow-x:hidden;}
	#container{overflow:hidden;margin:0;padding:0;width:570px;height:243px;font-family:helvetica;font-size:13px;border:0px solid #CCCCCC;}
	#header{margin:0px;padding:5px 5px 5px 5px;color:#FFFFFF;background-color:#0066FF;}
	#header .feed_title{margin:0;padding:0;font-weight:bold;}
	#header .feed_title a:link{color:#FFFFFF;text-decoration:none;}
	#header .feed_title a:visited{color:#FFFFFF;text-decoration:none;}
	#header .feed_title a:hover{color:#FFFFFF;text-decoration:underline;}
	#header .feed_title a:active{color:#FFFFFF;text-decoration:none;}
	#content{margin:0px;padding:5px 0px 0px 0px;background-color:#f2f2f2;}
	#content .feed_item{margin:0 0 7px 0;padding:0 0 7px 0;border-bottom:1px dashed #CCCCCC;}
	#content .feed_item_title{margin:1px 0 1px 3px;padding:1px 2px 1px 3px;color:#666666;font-weight:bold;}
	#content .feed_item_title a:link{color:#666666;text-decoration:none;}
	#content .feed_item_title a:visited{color:#666666;text-decoration:none;}
	#content .feed_item_title a:hover{color:#666666;text-decoration:underline;}
	#content .feed_item_title a:active{color:#666666;text-decoration:none;}
	#content .feed_item_podcast{margin:0 0 0 3px;padding:0 0 0 3px;}
	#content .feed_item_description {
	margin:0 0 0 3px;
	padding:0 2px 0 3px;
	color:#666666;
	line-height:17px;
	height:17px;
	white-space: nowrap;
	width: 555px;
	overflow: hidden;
	text-overflow:ellipsis;
	}
	#footer{display:none;height:0px;margin:0px;padding:0px;color:#FFFFFF;background-color:#f2f2f2;}
	</style>

	</head>
	<body>
	<div id="container"><div id="content">

	<?php

	foreach ($articles as $article) {
	print '<div class="feed_item"><div class="feed_item_title"><a href="'.$article['link'].'" target="_blank">'.$article['title'].'</a></div><div class="feed_item_description">'.$article['description'].'</div></div>' . "\n";
	}

	?>

	</div><div id="footer"></div></div>

	</body></html>
	<?php

	// Joe's PHP XML Parser
	// Copyright (c) 2005 - 2012 by Joseph Huckaby
	// MIT Licensed

	// store last xml parser error
	$last_xml_error = null;

	class XML {
	public $parser; // PHP XML parser object
	public $tree; // XML hash tree
	public $name; // Root document node name
	public $error; // Last error encountered and line #
	public $collapseAttribs = 0; // Set to 1 to collapse attributes into parent node
	public $indentString = "\t"; // Pretty-print indent string for composing
	public $output; // Holds XML output while composing
	public $dtdNode; // DTD node to be composed under PI node
	public $compress = 0; // Whether to compress output (no whitespace)

	function XML($xmlstring="") {
	// Class constructor
	// If string is passed in, parse immediately
	$this->dtdNode = "";

	if ($xmlstring) return( $this->parse($xmlstring) );
	return true;
	}

	function parse($xmlstring="") {
	// Parse text into XML hash tree
	// Returns root node
	$this->parser = xml_parser_create();
	$this->tree = array();
	$this->name = "";
	$this->clearError();

	// Setup PHP XML parser
	xml_set_object($this->parser, $this);
	xml_parser_set_option($this->parser, XML_OPTION_CASE_FOLDING, false);
	xml_set_element_handler($this->parser, "startElement", "endElement");
	xml_set_character_data_handler($this->parser, "characterData");

	// If argument was file instead of string, load it now
	if (!preg_match("/<.+?>/", $xmlstring)) $xmlstring = file_get_contents($xmlstring);
	if (!$xmlstring \|\| !strlen($xmlstring)) {
	$this->throwError("File not found");
	xml_parser_free($this->parser);
	return false;
	} // file not found

	// Issue command to parse
	$result = xml_parse($this->parser, $xmlstring);
	if (!$result) {
	// error occured -- get string, line number and return false
	$code = xml_get_error_code( $this->parser );
	$this->throwError( xml_error_string( $code ) . " on line " . xml_get_current_line_number( $this->parser ) );
	xml_parser_free($this->parser);
	return false;
	}

	// Success -- free parser memory and return hash tree
	xml_parser_free($this->parser);
	return $this->tree;
	}

	function clearError() {
	// clear error state
	global $last_xml_error;
	$last_xml_error = null;
	$this->error = null;
	}

	function throwError($msg) {
	// set error state
	global $last_xml_error;
	$last_xml_error = $msg;
	$this->error = $msg;
	}

	function startElement($parser, $name, $attribs) {
	// Callback function for PHP XML parser
	// called when new elements are opened

	$node = array();
	$node["_Name"] = $name;

	if (count($attribs)) {
	// Element has attributes -- gather them first
	if ($this->collapseAttribs) {
	foreach ($attribs as $key => $value) {
	$node[$key] = $value;
	}
	}
	else {
	$node["_Attribs"] = array();
	foreach ($attribs as $key => $value) {
	$node["_Attribs"][$key] = $value;
	}
	}
	}

	// Add new node onto stack
	array_push( $this->tree, $node );
	}

	function endElement($parser, $name) {
	// Callback function for PHP XML parser
	// called when elements are closed

	// Pop most recent node off stack
	$node = array_pop( $this->tree );

	// Trim whitespace from text data and delete
	// if it is empty
	if (isset($node["_Data"])) {
	$node["_Data"] = trim($node["_Data"]);
	if (!preg_match("/\S/", $node["_Data"])) unset($node["_Data"]);
	}

	// Extract name of node
	$name = $node["_Name"];
	unset($node["_Name"]);

	// $payload is a reference to the node object, or just
	// the text data if there are no attribs or child elements
	$payload = &$node;

	// Count number of nodes left in stack
	$lastnode = count($this->tree);
	if (!$lastnode) {
	// This the root node being closed, so we are done
	// Set $tree to this node and return immediately.
	$this->name = $name;
	$this->tree = $node;
	return;
	}
	else if ((isset($node["_Data"]) && count($node) == 1) \|\| !count($node)) {
	// simple text node or empty node -- collapse so that
	// payload points to text data only
	if (!isset($node["_Data"])) $node["_Data"] = "";
	$payload = &$node["_Data"];
	}

	// Now we add this node as a child of our parent node
	if (!isset($this->tree[$lastnode-1][$name]) \|\| !$this->tree[$lastnode-1][$name]) {
	// first time for this node name in parent node
	// point directly to us (don't use array yet)
	$this->tree[$lastnode-1][$name] = $payload;
	}
	else if (is_array($this->tree[$lastnode-1][$name]) && isset($this->tree[$lastnode-1][$name][0])) {
	// node name already exists in parent node, and is real array
	// so just push our node on the end
	// print_r( $this->tree[$lastnode-1][$name] );

	array_push( $this->tree[$lastnode-1][$name], $payload );
	}
	else {
	// node name exists in parent node, but need to convert to true array
	// and push our node on the end
	$temp = $this->tree[$lastnode-1][$name];
	$this->tree[$lastnode-1][$name] = array();
	array_push( $this->tree[$lastnode-1][$name], $temp );
	array_push( $this->tree[$lastnode-1][$name], $payload );
	}
	}

	function characterData($parser, $data) {
	// Callback function for PHP XML parser
	// called when text data is encountered

	$lastnode = count($this->tree);
	if (!isset($this->tree[$lastnode-1]["_Data"]) \|\| !$this->tree[$lastnode-1]["_Data"])
	$this->tree[$lastnode-1]["_Data"] = "";
	$this->tree[$lastnode-1]["_Data"] .= $data;
	}

	function getLastError() {
	// Return last error encountered as string
	// Also contains line number in source XML file
	return $this->error;
	}

	function getTree() {
	// Return hash tree
	return $this->tree;
	}

	function setDTDNode($text) {
	// set pre-composed DTD node for composing
	$this->dtdNode = $text;
	}
	} // class XML

	/**
	* Static utility functions
	**/

	function alwaysArray($obj) {
	// detect if $obj is an associative array or a true array
	// if associative, put inside a new true array as element 0
	if (!is_array($obj) \|\| (is_array($obj) && !isset($obj[0]))) return array($obj);
	else return $obj;
	}

	function XML_unserialize($text) {
	// static wrapper around XML parser
	// includes document node in object
	$parser = new XML();
	$tree = $parser->parse( $text );
	if (!$tree) return null;
	else {
	// wrap document in root node
	$xml = array();
	$xml[ $parser->name ] = $tree;
	return $xml;
	}
	}

	?>