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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 |
|---|---|
| 5143 | $update['ID'] = $revision['post_parent']; |
| 5144 | |
| 5145 | $update = add_magic_quotes( $update ); //since data is from db |
| 5146 | |
| 5147 | $post_id = wp_update_post( $update ); |
| 5148 | if ( is_wp_error( $post_id ) ) |
| 5149 | return $post_id; |
| 5150 | |
| 5151 | if ( $post_id ) |
| 5152 | do_action( 'wp_restore_post_revision', $post_id, $revision['ID'] ); |
| 5153 | |
| 5154 | return $post_id; |
| 5155 | } |
| 5156 | |
| 5157 | /** |
| 5158 | * Deletes a revision. |
| 5159 | * |
| 5160 | * Deletes the row from the posts table corresponding to the specified revision. |
| 5161 | * |