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_response_to_rss ( $resp )
_response_to_rss: 这个函数用于为一组给定的文章生成一个RSS feed响应。它将数据格式化为RSS规范要求的适当的XML格式。
function _response_to_rss ($resp) { $rss = new MagpieRSS( $resp->results ); // if RSS parsed successfully if ( $rss && (!isset($rss->ERROR) || !$rss->ERROR) ) { // find Etag, and Last-Modified foreach ( (array) $resp->headers as $h) { // 2003-03-02 - Nicola Asuni (www.tecnick.com) - fixed bug "Undefined offset: 1" if (strpos($h, ": ")) { list($field, $val) = explode(": ", $h, 2); } else { $field = $h; $val = ""; } if ( $field == 'etag' ) { $rss->etag = $val; } if ( $field == 'last-modified' ) { $rss->last_modified = $val; } } return $rss; } // else construct error message else { $errormsg = "Failed to parse RSS file."; if ($rss) { $errormsg .= " (" . $rss->ERROR . ")"; } // error($errormsg); return false; } // end if ($rss and !$rss->error) }