notesofberlin.php
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notesofberlin.php
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	<?php
	//Configuration
	error_reporting(E_ERROR \| E_WARNING \| E_PARSE); //magpierss isn't strict compliant

	//Libraries
	require('magpierss/rss_fetch.inc');
	require('xmlwriter/xmlwriterclass.php');
	require('rsswriter/rss_writer_class.php');

	//Helper functions
	function get_description ($item) {
	$post = file_get_contents($item['link']);
	$data = string_between($post, "<div class='post-body entry-content'>", "</table>");
	$data = string_between($data, "<img ", "/>", true, true);
	return $data ? "<p>$item[summary]</p><p>$data</p>" : $item['summary'];
	}

	//Source RSS
	$source_rss = fetch_rss("http://www.notesofberlin.com/feeds/posts/default");

	//Our RSS
	$rss = new rss_writer_class();
	$rss->about = 'http://tools.nasqueron.org/rss/notesofberlin.php';
	$rss->generatedcomment = 'Generated by: Magpie RSS, rsswriter, Nasqueron tools.';
	$rss->rssnamespaces['dc'] = 'http://purl.org/dc/elements/1.1/';

	//Channel
	$properties = [
	'description' => $source_rss->channel['subtitle'],
	'link' => 'http://www.notesofberlin.com/',
	'title' => 'Notes of Berlin',
	'dc:date' => $source_rss->channel['updated'],
	//'author' => $source_rss->channel['author_email'],
	];
	$rss->addchannel($properties);

	//Items
	foreach ($source_rss->items as $item) {
	$properties = [
	'description' => get_description($item),
	];
	//$properties_to_copy = ['id', 'published', 'updated', 'title', 'link'];
	$properties_to_copy = ['title', 'link'];
	foreach ($properties_to_copy as $property) {
	$properties[$property] = $item[$property];
	}
	$rss->additem($properties);
	}

	//Output
	$output = '';
	if ($rss->writerss($output)) {
	header('Content-Type: text/xml; charset="' . $rss->outputencoding . '"');
	header('Content-Length: ' . strval(strlen($output) + 3));
	echo $output;
	} else {
	message_die(GENERAL_ERROR, $rss->error, 'RSS generation error');
	}

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