php rss

<?php

$numShown = 0;
$maxToShow = 5;
$insideitem = false;
$tag = "";
$title = "";
$description = "";
$link = "";
$locations = array ('http://topics.nytimes.com/topics/reference/timestopics/subjects/e/espionage/index.html?rss=1' );
srand ( ( float ) microtime () * 10000000 ); // seed the random gen
$random_key = array_rand ( $locations );

function startElement($parser, $name, $attrs) {
    global $insideitem, $tag, $title, $description, $link;
    if ($insideitem) {
        $tag = $name;
    } elseif ($name == "ITEM") {
        $insideitem = true;
    }
}

function endElement($parser, $name) {
    global $insideitem, $tag, $title, $description, $link, $numShown, $maxToShow;
    if ($name == "ITEM") {

        if ($numShown >= $maxToShow) {
            return;
        }

        $numShown ++;

        printf ( "<dt><b><a href='%s' target=new>%s</a></b></dt>", trim ( $link ), htmlspecialchars ( trim ( $title ) ) );
        printf ( "<dt>%s</dt><br><br>", trim ( $description ) );
        printf ( "<div style='clear: both'></div>" );
        $title = "";
        $description = "";
        $link = "";
        $insideitem = false;
    }
}

function characterData($parser, $data) {
    global $insideitem, $tag, $title, $description, $link;
    if ($insideitem) {
        switch ($tag) {
            case "TITLE" :
                $title .= $data;
                break;
            case "DESCRIPTION" :
                $description .= $data;
                break;
            case "LINK" :
                $link .= $data;
                break;
        }
    }
}

$xml_parser = xml_parser_create ();
xml_set_element_handler ( $xml_parser, "startElement", "endElement" );
xml_set_character_data_handler ( $xml_parser, "characterData" );

$fp = fopen ( $locations [$random_key], 'r' ) or die ( "Error reading RSS data." );

while ( $data = fread ( $fp, 4096 ) )
    xml_parse ( $xml_parser, $data, feof ( $fp ) ) or die ( sprintf ( "XML error: %s at line %d", xml_error_string ( xml_get_error_code ( $xml_parser ) ), xml_get_current_line_number ( $xml_parser ) ) );

fclose ( $fp );
xml_parser_free ( $xml_parser );

?>