rss : dc:creator content:encoded

rss :  dc:creator  content:encoded

<generator>https://wordpress.org/?v=4.9.2</generator>

$dc = $item->children('http://purl.org/dc/elements/1.1/');
  
  $content=$item->children('http://purl.org/rss/1.0/modules/content/')->encoded;

$dc->creator

wordpress rss