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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 |
|---|---|
| 232 | $post_id = $post['ID']; |
| 233 | $post = _wp_post_revision_fields( $post, $autosave ); |
| 234 | $post = wp_slash($post); //since data is from db |
| 235 | |
| 236 | $revision_id = wp_insert_post( $post ); |
| 237 | if ( is_wp_error($revision_id) ) |
| 238 | return $revision_id; |
| 239 | |
| 240 | if ( $revision_id ) |
| 241 | do_action( '_wp_put_post_revision', $revision_id ); |
| 242 | |
| 243 | return $revision_id; |
| 244 | } |
| 245 | |
| 246 | /** |
| 247 | * Gets a post revision. |
| 248 | * |
| 249 | * @since 2.6.0 |
| 250 | * |