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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 |
|---|---|
| 274 | |
| 275 | if ( $revision_id ) { |
| 276 | /** |
| 277 | * Fires once a revision has been saved. |
| 278 | * |
| 279 | * @since 2.6.0 |
| 280 | * |
| 281 | * @param int $revision_id Post revision ID. |
| 282 | */ |
| 283 | do_action( '_wp_put_post_revision', $revision_id ); |
| 284 | } |
| 285 | |
| 286 | return $revision_id; |
| 287 | } |
| 288 | |
| 289 | /** |
| 290 | * Gets a post revision. |
| 291 | * |
| 292 | * @since 2.6.0 |