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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )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.
| Line | Code |
|---|---|
| 322 | |
| 323 | if ( $revision_id ) { |
| 324 | /** |
| 325 | * Fires once a revision has been saved. |
| 326 | * |
| 327 | * @since 2.6.0 |
| 328 | * |
| 329 | * @param int $revision_id Post revision ID. |
| 330 | */ |
| 331 | do_action( '_wp_put_post_revision', $revision_id ); |
| 332 | } |
| 333 | |
| 334 | return $revision_id; |
| 335 | } |
| 336 | |
| 337 | /** |
| 338 | * Gets a post revision. |
| 339 | * |
| 340 | * @since 2.6.0 |