<?php $item = ' <item> <description>'.str_repeat("0", 1024).'</description> </item>'; return [ 'mime' => "application/rss+xml", 'content' => <<<MESSAGE_BODY <rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:dc="http://purl.org/dc/elements/1.1/"> <channel> <title>Test feed</title> <link>http://localhost:8000/</link> <description>Example newsfeed title</description> $item </channel> </rss> MESSAGE_BODY ];