add extjs 6.0.1 sources

[extjs.git] / extjs / build / examples / classic / feed-viewer / feed-proxy.php

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