Title: wp-trackback.php | Developer.WordPress.org

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# File: wp-trackback.php

 * hook[pre_trackback_post](https://developer.wordpress.org/reference/hooks/pre_trackback_post/)
 * Fires before the trackback is added to a post.
 * Used by [0 functions](https://developer.wordpress.org/reference/hooks/pre_trackback_post/#used-by)
   | Uses [0 functions](https://developer.wordpress.org/reference/hooks/pre_trackback_post/#uses)
   | Source: [wp-trackback.php:118](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-trackback.php#L118-L118)
 * function[trackback_response()](https://developer.wordpress.org/reference/functions/trackback_response/)
 * Response to a trackback.
 * Used by [0 functions](https://developer.wordpress.org/reference/functions/trackback_response/#used-by)
   | Uses [1 function](https://developer.wordpress.org/reference/functions/trackback_response/#uses)
   | Source: [wp-trackback.php:30](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-trackback.php#L30-L46)
 * hook[trackback_post](https://developer.wordpress.org/reference/hooks/trackback_post/)
 * Fires after a trackback is added to a post.
 * Used by [0 functions](https://developer.wordpress.org/reference/hooks/trackback_post/#used-by)
   | Uses [0 functions](https://developer.wordpress.org/reference/hooks/trackback_post/#uses)
   | Source: [wp-trackback.php:175](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-trackback.php#L175-L175)