MagpieRSS

34class MagpieRSS {35	var $parser;36	var $current_item	= array();	// item currently being parsed37	var $items			= array();	// collection of parsed items38	var $channel		= array();	// hash of channel fields39	var $textinput		= array();40	var $image			= array();41	var $feed_type;42	var $feed_version;43 44	// parser variables45	var $stack				= array(); // parser stack46	var $inchannel			= false;47	var $initem 			= false;48	var $incontent			= false; // if in Atom <content mode="xml"> field49	var $intextinput		= false;50	var $inimage 			= false;51	var $current_field		= '';52	var $current_namespace	= false;53 54	//var $ERROR = "";55 56	var $_CONTENT_CONSTRUCTS = array('content', 'summary', 'info', 'title', 'tagline', 'copyright');57 58	/**59	 * PHP5 constructor.60	 */61	function __construct( $source ) {62 63		# Check if PHP xml isn't compiled64		#65		if ( ! function_exists('xml_parser_create') ) {66			wp_trigger_error( '', "PHP's XML extension is not available. Please contact your hosting provider to enable PHP's XML extension." );67			return;68		}69 70		$parser = xml_parser_create();71 72		$this->parser = $parser;73 74		# pass in parser, and a reference to this object75		# set up handlers76		#77		xml_set_element_handler($this->parser,78				array( $this, 'feed_start_element' ), array( $this, 'feed_end_element' ) );79 80		xml_set_character_data_handler( $this->parser, array( $this, 'feed_cdata' ) );81 82		$status = xml_parse( $this->parser, $source );83 84		if (! $status ) {85			$errorcode = xml_get_error_code( $this->parser );86			if ( $errorcode != XML_ERROR_NONE ) {87				$xml_error = xml_error_string( $errorcode );88				$error_line = xml_get_current_line_number($this->parser);89				$error_col = xml_get_current_column_number($this->parser);90				$errormsg = "$xml_error at line $error_line, column $error_col";91 92				$this->error( $errormsg );93			}94		}95 96		xml_parser_free( $this->parser );97		unset( $this->parser );98 99		$this->normalize();100	}101 102	/**103	 * PHP4 constructor.104	 */105	public function MagpieRSS( $source ) {106		self::__construct( $source );107	}108 109	function feed_start_element($p, $element, &$attrs) {110		$el = $element = strtolower($element);111		$attrs = array_change_key_case($attrs, CASE_LOWER);112 113		// check for a namespace, and split if found