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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 |
|---|---|
| 3373 | return false; |
| 3374 | |
| 3375 | $update['ID'] = $revision['post_parent']; |
| 3376 | |
| 3377 | $post_id = wp_update_post( $update ); |
| 3378 | if ( is_wp_error( $post_id ) ) |
| 3379 | return $post_id; |
| 3380 | |
| 3381 | if ( $post_id ) |
| 3382 | do_action( 'wp_restore_post_revision', $post_id, $revision['ID'] ); |
| 3383 | |
| 3384 | return $post_id; |
| 3385 | } |
| 3386 | |
| 3387 | /** |
| 3388 | * wp_delete_post_revision() - Deletes a revision. |
| 3389 | * |
| 3390 | * Deletes the row from the posts table corresponding to the specified revision |
| 3391 | * |