Images
Collection of the latest Education pictures online..
class rss_parser {
var $rss_url;
var $num_to_show;
var $offset; //added in version 0.4.3
var $do_update;
var $tags = array();
var $content;
var $rss = array();
var $feed_title;
var $feed_link;
var $feed_description;
var $my_html;
function rss_parser($url, $numtoshow = 10, $html = "", $update = FALSE, $offset = 1)
{
$this->rss_url = $url;
$this->num_to_show = $numtoshow;
$this->do_update = $update;
$this->my_html = preg_replace(“/(#{.*?):(.*?})/”, “\\1__\\2″, $html); //xx:xx tag workaround
$this->offset = –$offset;
$this->content = $this->fetch_feed();
$this->parse_feed();
$this->show();
}
/* string */
function fetch_feed()
{
$url_parts = parse_url($this->rss_url);
$filename = $url_parts['host'] . str_replace(“/”, “,”, $url_parts['path']) . “_” . @$url_parts['query'];
if(file_exists($this->data_directory . “/$filename”)) {
$last = filemtime($this->data_directory . “/$filename”);
if(time() – $last > $this->update_interval * 60 || $this->update_interval == 0) {
$update = 1;
}
} else {
$create= 1;
}
if($create == 1 || ($this->do_update == TRUE && $update == 1)) {
$fp = @fsockopen($url_parts['host'], 80, $errno, $errstr, 5);
if (!$fp) {
echo “Couldn’t open rss feed {$this->feed_url} in {$_SERVER['PHP_SELF']}
\n”;
return;
}
fputs($fp, “GET ” . $url_parts['path'] . “?” . @$url_parts['query'] . ” HTTP/1.0\r\n”
.”Host: ” . $url_parts['host'] . “\r\n”
.”User-Agent: Drew’s RSS Reader 0.1\r\n”
.”Connection: Close\r\n\r\n”);
while(!feof($fp)) {
$rss_data .= @fgets($fp, 1024);
}
list(, $rss_data) = explode(“\r\n\r\n”, $rss_data, 2);
$output = @fopen($this->data_directory . “/$filename”, “w+”);
if(!$output) {
return $rss_data;
} else {
flock($output, LOCK_EX);
fputs($output, $rss_data);
flock($output, LOCK_UN);
fclose($output);
}
} //update
return file_get_contents($this->data_directory . “/$filename”);
}
/* void */
function parse_feed()
{
preg_match(“/
$this->feed_title = @$title[1];
preg_match(“/(.*?)<\/link>/”, $this->content, $link);
$this->feed_link = @$link[1];
preg_match(“/
$this->feed_description = @$description[1];
preg_match_all(“/
if (sizeof($items[0]) == 0) {
echo “
\n”;
}
for($i = 0; $i < sizeof($items[0]); ++$i) {
preg_match_all("/(?:<([\w:]*)[^>]*>\s*(?:)+?/si”, preg_replace(“/
for($j = 0; $j < sizeof($elements[0]); ++$j) {
$elements[1][$j] = str_replace(":", "__", $elements[1][$j]);
$elements[2][$j] = str_replace(" ", " ", $elements[2][$j]); //regex fix for items with unicode character
$this->rss[$i][$elements[1][$j]] = trim(html_entity_decode($elements[2][$j]));
}
}
}
/* void */
function show()
{
if($this->my_html == “”) {
$this->show_html();
} else {
$this->show_user_html();
}
}
function show_html()
{
$show = (sizeof($this->rss) > $this->num_to_show ? $this->num_to_show : sizeof($this->rss));
for($i = $this->offset; $i < $this->offset + $show; ++$i) {
echo “- rss[$i]['link']}\” onclick=\”return GB_showFullScreen(‘#{title}’, this.href)\” rel=\”nofollow\”>{$this->rss[$i]['title']}
\n”;
}
}
function show_user_html()
{
$show = (sizeof($this->rss) > $this->num_to_show + $this->offset ? $this->num_to_show : sizeof($this->rss));
$show = ($this->offset + $this->num_to_show > sizeof($this->rss) ? sizeof($this->rss) – $this->offset : $this->num_to_show);
for($i = $this->offset; $i < $this->offset + $show; ++$i) {
extract($this->rss[$i]);
$item = preg_replace(“/#\{([^}]+)}/e”, “$\\1″, $this->my_html);
echo $item;
}
}
} // end class
//set our feeds
$feeds = array(
“http://api.flickr.com/services/feeds/photos_public.gne?tags=education&lang=en-us&format=rss_200″
);
//pick a random feed to display
srand ((double)microtime()*1000000);
$randomurl = rand(0, count($feeds)-1);
$url = $feeds[$randomurl];
//define layout for rss item display
$html = ”
#{title}
\n”;
$html .= ”
#{description}
\n”;
$html .= ” Read more…
\n”;
$html .= ”
\n”;
//check url of feed we’re trying to display
//echo $url;
$rss = new rss_parser($url, 10, $html, 1); //Parse and Display
?>




