<?php
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// this is an example server-side proxy to load feeds
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$feed = $_REQUEST['feed'];
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if ($feed != '' && strpos($feed, 'http') === 0) {
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header('Content-Type: text/xml');
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$xml = file_get_contents($feed);
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// Clean up our own RSS feeds
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if (strPos($feed, 'feeds.feedburner.com/extblog') || strPos($feed, 'sencha.com/forum')) {
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// Cut out extraneous whitespace to aid in checking for existing CDATA tags below
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$xml = preg_replace('/[\\n\\r]/', '', $xml);
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$xml = preg_replace('/>\s+</', '><', $xml);
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// Make textual items XML safe by enclosing them with CDATA sections unless it's already been done
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$xml = preg_replace('/<title>(?!<\\!\\[CDATA\\[)/', '<title><![CDATA[', $xml);
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$xml = preg_replace('/([^\\]][^\\]][^>])<\\/title>/', '$1]]></title>', $xml);
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$xml = preg_replace('/<author>(?!<\\!\\[CDATA\\[)/', '<author><![CDATA[', $xml);
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$xml = preg_replace('/([^\\]][^\\]][^>])<\\/author>/', '$1]]></author>', $xml);
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$xml = preg_replace('/<description>(?!<\\!\\[CDATA\\[)/', '<description><![CDATA[', $xml);
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$xml = preg_replace('/([^\\]][^\\]][^>])<\\/description>/', '$1]]></description>', $xml);
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$xml = preg_replace('/<link>(?!<\\!\\[CDATA\\[)/', '<link><![CDATA[', $xml);
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$xml = preg_replace('/([^\\]][^\\]][^>])<\\/link>/', '$1]]></link>', $xml);
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}
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$xml = str_replace('<content:encoded>', '<content>', $xml);
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$xml = str_replace('</content:encoded>', '</content>', $xml);
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$xml = str_replace('</dc:creator>', '</author>', $xml);
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echo str_replace('<dc:creator', '<author', $xml);
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return;
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}
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