2020-05-01 / 3734阅 / 悠然
Build SimplePie object based>
(string|string[])
(Required)
URL of feed to retrieve. If an array of URLs, the feeds are merged using SimplePie's multifeed feature. See also http://simplepie.org/wiki/faq/typical_multifeed_gotchas
(SimplePie|WP_Error) SimplePie object>WP_Error object on failure.