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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 |
|---|---|
| 1954 | } |
| 1955 | |
| 1956 | /** |
| 1957 | * Fires before an autosave is stored. |
| 1958 | * |
| 1959 | * @since 4.1.0 |
| 1960 | * |
| 1961 | * @param array $new_autosave Post array - the autosave that is about to be saved. |
| 1962 | */ |
| 1963 | do_action( 'wp_creating_autosave', $new_autosave ); |
| 1964 | |
| 1965 | return wp_update_post( $new_autosave ); |
| 1966 | } |
| 1967 | |
| 1968 | // _wp_put_post_revision() expects unescaped. |
| 1969 | $post_data = wp_unslash( $post_data ); |
| 1970 | |
| 1971 | // Otherwise create the new autosave as a special post revision. |
| 1972 | return _wp_put_post_revision( $post_data, true ); |