Source View: add_attachment

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Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

  • Action hooks look like this: do_action( "hook_name" )
  • Filter hooks look like this: apply_filters( "hook_name", "what_to_filter" ).

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
3467           } else {
3468
3469                /**
3470                 * Fires once an attachment has been added.
3471                 *
3472                 * @since 2.0.0
3473                 *
3474                 * @param int $post_ID Attachment ID.
3475                 */
3476                do_action( 'add_attachment', $post_ID );
3477           }
3478
3479           return $post_ID;
3480      }
3481
3482      if ( $update ) {
3483           /**
3484            * Fires once an existing post has been updated.
3485            *