get_to_ping – Hook | Developer.WordPress.org

apply_filters( ‘get_to_ping’, string[] $to_ping )

Filters the list of URLs yet to ping for the given post.

Parameters

Callback functions applied to this filter should not ping the URLs. Instead, they may modify the array of URLs to be pinged, and WordPress will ping them automatically.
Note that each of the filter callback functions must return an array of URLs after it is finished processing. Otherwise, any code using the $to_ping array will break and other plugins also filtering the $to_ping array may generate errors.

return apply_filters( 'get_to_ping', $to_ping );

Used by	Description
get_to_ping()`wp-includes/post.php`	Retrieves URLs that need to be pinged.

Version	Description
2.0.0	Introduced.

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