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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 |
|---|---|
| 251 | if ( $clear_working ) |
| 252 | $wp_filesystem->delete($remote_source, true); |
| 253 | |
| 254 | $destination_name = basename( str_replace($local_destination, '', $destination) ); |
| 255 | if ( '.' == $destination_name ) |
| 256 | $destination_name = ''; |
| 257 | |
| 258 | $this->result = compact('local_source', 'source', 'source_name', 'source_files', 'destination', 'destination_name', 'local_destination', 'remote_destination', 'clear_destination', 'delete_source_dir'); |
| 259 | |
| 260 | $res = apply_filters('upgrader_post_install', true, $hook_extra, $this->result); |
| 261 | if ( is_wp_error($res) ) { |
| 262 | $this->result = $res; |
| 263 | return $res; |
| 264 | } |
| 265 | |
| 266 | //Bombard the calling function will all the info which we've just used. |
| 267 | return $this->result; |
| 268 | } |
| 269 | |