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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 |
|---|---|
| 1871 | } |
| 1872 | |
| 1873 | /** |
| 1874 | * Fires before an autosave is stored. |
| 1875 | * |
| 1876 | * @since 4.1.0 |
| 1877 | * |
| 1878 | * @param array $new_autosave Post array - the autosave that is about to be saved. |
| 1879 | */ |
| 1880 | do_action( 'wp_creating_autosave', $new_autosave ); |
| 1881 | |
| 1882 | return wp_update_post( $new_autosave ); |
| 1883 | } |
| 1884 | |
| 1885 | // _wp_put_post_revision() expects unescaped. |
| 1886 | $post_data = wp_unslash( $post_data ); |
| 1887 | |
| 1888 | // Otherwise create the new autosave as a special post revision. |
| 1889 | return _wp_put_post_revision( $post_data, true ); |