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<?php
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/**
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* @file
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* OPML Parser.
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*/
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/**
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* Parse OPML file.
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*
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* @param $raw
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* File contents.
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* @return
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* An array of the parsed OPML file.
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*/
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function opml_parser_parse($raw) {
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$feeds = $items = array();
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$xml = @ new SimpleXMLElement($raw);
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$feeds['title'] = (string)current($xml->xpath('//head/title'));
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// @todo Make xpath case insensitive.
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$outlines = $xml->xpath('//outline[@xmlUrl]');
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foreach ($outlines as $outline) {
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$item = array();
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foreach ($outline->attributes() as $k => $v) {
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if (in_array(strtolower($k), array('title', 'text', 'xmlurl'))) {
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$item[strtolower($k)] = (string) $v;
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}
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}
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// If no title, forge it from text.
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if (!isset($item['title']) && isset($item['text'])) {
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if (strlen($item['text']) < 40) {
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$item['title'] = $item['text'];
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}
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else {
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$item['title'] = trim(substr($item['text'], 0, 30)) . ' ...';
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}
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}
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if (isset($item['title']) && isset($item['xmlurl'])) {
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$items[] = $item;
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}
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}
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$feeds['items'] = $items;
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return $feeds;
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}
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