discover_pingback_server_uri ( $url, $deprecated = '' )

  • (string) url URL to ping.
  • (string) deprecated Not Used.
  • (string|false) String containing URI on success, false on failure.
Defined at:


Finds a pingback server URI based on the given URL.Checks the HTML for the rel="pingback" link and X-Pingback headers. It does a check for the X-Pingback headers first and returns that, if available. The check for the rel="pingback" has more overhead than just the header.

Related Functions

pingback_ping_source_uri, xmlrpc_pingback_error, do_all_pingbacks, is_server_error, register_block_core_rss

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