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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 |
|---|---|
| 276 | if ( $clear_working ) |
| 277 | $wp_filesystem->delete($remote_source, true); |
| 278 | |
| 279 | $destination_name = basename( str_replace($local_destination, '', $destination) ); |
| 280 | if ( '.' == $destination_name ) |
| 281 | $destination_name = ''; |
| 282 | |
| 283 | $this->result = compact('local_source', 'source', 'source_name', 'source_files', 'destination', 'destination_name', 'local_destination', 'remote_destination', 'clear_destination', 'delete_source_dir'); |
| 284 | |
| 285 | $res = apply_filters('upgrader_post_install', true, $hook_extra, $this->result); |
| 286 | if ( is_wp_error($res) ) { |
| 287 | $this->result = $res; |
| 288 | return $res; |
| 289 | } |
| 290 | |
| 291 | //Bombard the calling function will all the info which we've just used. |
| 292 | return $this->result; |
| 293 | } |
| 294 | |