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402 lines
9.3 KiB
402 lines
9.3 KiB
4 months ago
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<?
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* Written by Reverend Jim (jim@revjim.net)
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*
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* http://revjim.net/code/feedParser/
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*/
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class feedParser {
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var $version = "0.5";
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var $entities = array(
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'nbsp' => " ",
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'iexcl' => "¡",
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'cent' => "¢",
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'pound' => "£",
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'curren' => "¤",
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'yen' => "¥",
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'brvbar' => "¦",
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'sect' => "§",
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'uml' => "¨",
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'copy' => "©",
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'ordf' => "ª",
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'laquo' => "«",
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'not' => "¬",
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'shy' => "­",
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'reg' => "®",
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'macr' => "¯",
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'deg' => "°",
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'plusmn' => "±",
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'sup2' => "²",
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'sup3' => "³",
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'acute' => "´",
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'micro' => "µ",
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'para' => "¶",
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'middot' => "·",
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'cedil' => "¸",
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'sup1' => "¹",
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'ordm' => "º",
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'raquo' => "»",
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'frac14' => "¼",
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'frac12' => "½",
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'frac34' => "¾",
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'iquest' => "¿",
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'Agrave' => "À",
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'Aacute' => "Á",
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'Acirc' => "Â",
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'Atilde' => "Ã",
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'Auml' => "Ä",
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'Aring' => "Å",
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'AElig' => "Æ",
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'Ccedil' => "Ç",
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'Egrave' => "È",
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'Eacute' => "É",
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'Ecirc' => "Ê",
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'Euml' => "Ë",
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'Igrave' => "Ì",
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'Iacute' => "Í",
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'Icirc' => "Î",
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'Iuml' => "Ï",
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'ETH' => "Ð",
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'Ntilde' => "Ñ",
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'Ograve' => "Ò",
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'Oacute' => "Ó",
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'Ocirc' => "Ô",
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'Otilde' => "Õ",
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'Ouml' => "Ö",
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'times' => "×",
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'Oslash' => "Ø",
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'Ugrave' => "Ù",
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'Uacute' => "Ú",
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'Ucirc' => "Û",
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'Uuml' => "Ü",
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'Yacute' => "Ý",
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'THORN' => "Þ",
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'szlig' => "ß",
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'agrave' => "à",
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'aacute' => "á",
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'acirc' => "â",
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'atilde' => "ã",
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'auml' => "ä",
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'aring' => "å",
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'aelig' => "æ",
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'ccedil' => "ç",
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'egrave' => "è",
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'eacute' => "é",
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'ecirc' => "ê",
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'euml' => "ë",
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'igrave' => "ì",
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'iacute' => "í",
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'icirc' => "î",
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'iuml' => "ï",
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'eth' => "ð",
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'ntilde' => "ñ",
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'ograve' => "ò",
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'oacute' => "ó",
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'ocirc' => "ô",
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'otilde' => "õ",
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'ouml' => "ö",
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'divide' => "÷",
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'oslash' => "ø",
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'ugrave' => "ù",
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'uacute' => "ú",
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'ucirc' => "û",
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'uuml' => "ü",
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'yacute' => "ý",
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'thorn' => "þ",
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'yuml' => "ÿ"
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);
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var $namespaces = array(
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'DC' => 'http://purl.org/dc/elements/1.1/',
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'RDF' => 'http://www.w3.org/1999/02/22-rdf-syntax-ns#',
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'RSS' => 'http://purl.org/rss/1.0/',
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'RSS2'=> 'http://backend.userland.com/rss2',
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'RDF2' => 'http://my.netscape.com/rdf/simple/0.9/'
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);
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function buildStruct($xmldata) {
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// Create a parser object
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$p = new XMLParser;
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// Define our known namespaces
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foreach ($this->namespaces as $space => $uri) {
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$p->definens($space,$uri);
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}
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// Define base namespace
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$p->definens("UNDEF");
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$this->parseEntities($xmldata);
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// Tell the parser to get the file.
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$p->setXmlData($xmldata);
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// Tell the parser to build the tree.
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$p->buildXmlTree();
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// Spit the tree out so we can see it
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return $p->getXmlTree();
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}
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function parseEntities(&$data) {
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foreach($this->entities as $entity => $replace) {
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$data = preg_replace('/&' . $entity . ';/',$replace,$data);
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}
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$data = preg_replace('/&[ ]*;/','',$data);
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}
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function parseFeed($xmldata) {
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$data =& $this->buildStruct(&$xmldata);
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if(is_array($data)) {
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foreach($data as $child) {
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if(is_array($child)) {
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switch($child['tag']) {
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case "RSS:RSS":
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case "UNDEF:RSS":
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case "RSS2:RSS":
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$info = $this->parseRSS(&$child);
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break;
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case "RDF:RDF":
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$info = $this->parseRDF(&$child);
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break;
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default:
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$info["warning"] .= "Unknown document format: " . $child['tag'] . "\n";
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break;
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}
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}
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}
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}
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return $info;
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}
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function parseRDF(&$data) {
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if(is_array($data['children'])) {
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foreach($data['children'] as $child) {
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if(is_array($child)) {
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switch($child['tag']) {
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case "RSS:CHANNEL":
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case "RDF2:CHANNEL":
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$channel = $this->getRDFChannel(&$child);
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break;
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case "RSS:ITEM":
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case "RDF2:ITEM":
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$item[] = $this->getRDFItem(&$child);
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break;
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default:
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break;
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}
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}
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}
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}
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return array('channel' => $channel, 'item' => $item);
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}
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function parseRSS(&$data) {
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if(is_array($data['children'])) {
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foreach($data['children'] as $child) {
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if(is_array($child)) {
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switch($child['tag']) {
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case "RSS:CHANNEL":
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case "RSS2:CHANNEL":
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case "UNDEF:CHANNEL":
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$info = $this->getRSSChannel(&$child);
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break;
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default:
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break;
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}
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}
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}
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}
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return $info;
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}
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function getRDFChannel($data) {
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if(is_array($data['children'])) {
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foreach($data['children'] as $child) {
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if(is_array($child)) {
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switch($child['tag']) {
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case "RSS:TITLE":
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case "RDF2:TITLE":
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$channel['title'] = $child['children'][0];
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break;
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case "RSS:LINK":
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case "RDF2:LINK":
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$channel['link'] = $child['children'][0];
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break;
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case "RSS:DESCRIPTION":
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case "RDF2:DESCRIPTION":
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$channel['description'] = $child['children'][0];
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break;
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case "RSS:WEBMASTER":
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$channel['creator'] = $child['children'][0];
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break;
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default:
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break;
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}
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}
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}
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}
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return $channel;
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}
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function getRSSChannel($data) {
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if(is_array($data['children'])) {
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foreach($data['children'] as $child) {
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if(is_array($child)) {
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switch($child['tag']) {
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case "UNDEF:TITLE":
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case "RSS:TITLE":
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case "RSS2:TITLE":
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$channel['title'] = $child['children'][0];
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break;
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case "UNDEF:LINK":
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case "RSS:LINK":
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case "RSS2:LINK":
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$channel['link'] = $child['children'][0];
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break;
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case "UNDEF:DESCRIPTION":
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case "RSS:DESCRIPTION":
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case "RSS2:DESCRIPTION":
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$channel['description'] = $child['children'][0];
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break;
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case "UNDEF:ITEM":
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case "RSS:ITEM":
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case "RSS2:ITEM":
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$item[] = $this->getRSSItem(&$child);
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break;
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case "UNDEF:LASTBUILDDATE":
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case "RSS:LASTBUILDDATE":
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case "RSS2:LASTBUILDDATE":
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$channel['lastbuilddate'] = strtotime($child['children'][0]);
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break;
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default:
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break;
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}
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}
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}
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}
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return array('channel' => $channel, 'item' => $item);
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}
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function getRDFItem($data) {
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if(is_array($data['children'])) {
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foreach($data['children'] as $child) {
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if(is_array($child)) {
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switch($child['tag']) {
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case "RSS:TITLE":
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case "RDF2:TITLE":
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$item['title'] = $child['children'][0];
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break;
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case "RSS:LINK":
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case "RDF2:LINK":
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$item['link'] = $child['children'][0];
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break;
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case "RSS:DESCRIPTION":
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case "RDF2:DESCRIPTION":
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$item["description"] = $child['children'][0];
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break;
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case "DC:DATE":
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$item["date"] = $this->dcDateToUnixTime($child['children'][0],0);
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$item["locdate"] = $this->dcDateToUnixTime($child['children'][0],1);
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break;
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default:
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break;
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}
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}
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}
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}
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return $item;
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}
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function getRSSItem($data) {
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if(is_array($data['children'])) {
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foreach($data['children'] as $child) {
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if(is_array($child)) {
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switch($child['tag']) {
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case "UNDEF:TITLE":
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case "RSS:TITLE":
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case "RSS2:TITLE":
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$item['title'] = $child['children'][0];
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break;
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case "UNDEF:LINK":
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case "RSS:LINK":
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case "RSS2:LINK":
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$item['link'] = $child['children'][0];
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break;
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case "UNDEF:DESCRIPTION":
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case "RSS:DESCRIPTION":
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case "RSS2:DESCRIPTION":
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$item["description"] = $child['children'][0];
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break;
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case "DC:DATE":
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$item["date"] = $this->dcDateToUnixTime($child['children'][0],0);
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$item["locdate"] = $this->dcDateToUnixTime($child['children'][0],1);
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break;
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case "UNDEF:PUBDATE":
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case "RSS:PUBDATE":
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case "RSS2:PUBDATE":
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$item["date"] = strtotime($child['children'][0]);
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$item["locdate"] = strtotime($child['children'][0]);
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break;
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default:
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break;
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}
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}
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}
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}
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return $item;
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}
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function dcDateToUnixTime($dcdate,$cvttz = 1) {
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list($date,$time) = explode("T",$dcdate);
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preg_match(
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"/([0-9]{2}:[0-9]{2}:[0-9]{2})(\-?\+?)([0-9]{2}):([0-9]{2})/",
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||
|
|
$time,
|
||
|
|
$yo
|
||
|
|
);
|
||
|
|
|
||
|
|
if ($cvttz == 1) {
|
||
|
|
return strtotime($date . " " . $yo[1] . $yo[2] . $yo[3] . $yo[4]);
|
||
|
|
} else {
|
||
|
|
return strtotime($date . " " . $yo[1]);
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
?>
|