RSS Ленты, API2 | Скрипт для просмотра новостных лент

<?php function GetXMLFirstVal($r,$t) {
if(preg_match_all('/<('.$t.')>(.*)<\/\\1>/Usi',$r,$o)) return $o[2][0];
return false;
}

function GetXMLAllVal($r,$t) {
if(preg_match_all('/<('.$t.')>(.*)<\/\\1>/Usi',$r,$o)) return $o[2];
return array();
}

function GetStream($URL,$mode=0) {


switch($mode) {

// php
case 0:
$results = file_get_contents($URL);
break;

// CURL
case 1:

$ch = curl_init();
curl_setopt ($ch, CURLOPT_URL, $URL); // Destination URL
curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1); // Output to a variable
curl_setopt ($ch, CURLOPT_POST, 0); // Use HTTP POST
curl_setopt ($ch, CURLOPT_TIMEOUT, 20); // Default Timeout

$results = curl_exec($ch);
if(curl_error($ch)) {
print_r(curl_getinfo($ch));
exit();
}

break;

// SOCKETS
case 2:

$info = parse_url($URL);

$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
if ($socket < 0) {
echo "socket_create() failed: reason: " . socket_strerror($socket) . "\n";
exit();
}
$result = socket_connect($socket, $info['host'], 80);
if ($result < 0) {
echo "socket_connect() failed.\nReason: ($result) " . socket_strerror($result) . "\n";
}

$in = "GET ".$info['path']." HTTP/1.1\r\n";
$in .= "Host: ".$info['host']."\r\n";
$in .= "Connection: Close\r\n\r\n";

socket_write($socket, $in, strlen($in));

$out = '';
$results = '';

while ($out = socket_read($socket, 2048)) {
$results .= $out;
}

socket_close($socket);

break;

default:
$results = '';
}
return $results;
}
if (isset($_GET['rss'])) {
if ($_GET['rss'] == "bash.org.ru") //GET массив
{

$RSSS = array();
$RSSS[] = 'http://bash.org.ru/rss'; //RSS поток
echo '<center><h3>Bash.org.ru</h3></center><br /><br />'; //имя rss потока

foreach($RSSS AS $RSS) {

//print("\n$RSS");

// получаем контент
// 0 - php
// 1- curl
// 2- sock
$XML = GetStream($RSS,0);

if($XML) {

$ITEMS = GetXMLAllVal($XML,'item');
$g=0;

foreach($ITEMS AS $ITEM) {
$g++;

$TITLE = GetXMLFirstVal($ITEM,'title');
$LINK = GetXMLFirstVal($ITEM,'link');
$DESC = GetXMLFirstVal($ITEM,'description');
$DATE = GetXMLFirstVal($ITEM,'pubDate');
$CAT = GetXMLFirstVal($ITEM,'category');

if(!$DATE) {
$DATE = GetXMLFirstVal($ITEM,'dc:date');
}

if($DATE) $DATE = strtotime($DATE);
else $DATE = time();

$TITLE = html_entity_decode($TITLE,ENT_QUOTES);
$DESC = html_entity_decode($DESC,ENT_QUOTES);
$CAT = html_entity_decode($CAT,ENT_QUOTES);

echo '<li><a href="'.$LINK.'" target="_blank">'.$TITLE.'</a></li><br />';

$DESC= str_replace("<![CDATA[","",$DESC);
$DESC= str_replace("]]>","",$DESC);
echo '<ul><p>'.$DESC.'</p></ul>';

if ($g==100) //Количество выводимых результатов
{break;}
}

}
} }

elseif ($_GET['rss'] == "ithappens") //GET массив
{

$RSSS = array();
$RSSS[] = 'http://ithappens.ru/rss/'; //RRS поток

echo '<center><h3>ITHappens</h3></center><br /><br />'; //имя rss потока

foreach($RSSS AS $RSS) {

//print("\n$RSS");

// получаем контент
// 0 - php
// 1- curl
// 2- sock
$XML = GetStream($RSS,0);

if($XML) {

$ITEMS = GetXMLAllVal($XML,'item');
$g=0;

foreach($ITEMS AS $ITEM) {
$g++;

$TITLE = GetXMLFirstVal($ITEM,'title');
$LINK = GetXMLFirstVal($ITEM,'link');
$DESC = GetXMLFirstVal($ITEM,'description');
$DATE = GetXMLFirstVal($ITEM,'pubDate');
$CAT = GetXMLFirstVal($ITEM,'category');


if(!$DATE) {
$DATE = GetXMLFirstVal($ITEM,'dc:date');
}

if($DATE) $DATE = strtotime($DATE);
else $DATE = time();

$TITLE = html_entity_decode($TITLE,ENT_QUOTES);
$DESC = html_entity_decode($DESC,ENT_QUOTES);
$CAT = html_entity_decode($CAT,ENT_QUOTES);

echo '<li><a href="'.$LINK.'" target="_blank">'.$TITLE.'</a></li><br />';

$DESC= str_replace("<![CDATA[","",$DESC);
$DESC= str_replace("]]>","",$DESC);
echo '<ul><p>'.$DESC.'</p></ul>';

if ($g==5) //Количество выводимых результатов
{break;}
}

}
}
}} ?>