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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 237 | $destination = trailingslashit($destination) . trailingslashit(basename($source)); |
| 238 | } |
| 239 | |
| 240 | if ( $clear_destination ) { |
| 241 | //We're going to clear the destination if there's something there |
| 242 | $this->skin->feedback('remove_old'); |
| 243 | $removed = true; |
| 244 | if ( $wp_filesystem->exists($remote_destination) ) |
| 245 | $removed = $wp_filesystem->delete($remote_destination, true); |
| 246 | $removed = apply_filters('upgrader_clear_destination', $removed, $local_destination, $remote_destination, $hook_extra); |
| 247 | |
| 248 | if ( is_wp_error($removed) ) |
| 249 | return $removed; |
| 250 | else if ( ! $removed ) |
| 251 | return new WP_Error('remove_old_failed', $this->strings['remove_old_failed']); |
| 252 | } elseif ( $abort_if_destination_exists && $wp_filesystem->exists($remote_destination) ) { |
| 253 | //If we're not clearing the destination folder and something exists there already, Bail. |
| 254 | //But first check to see if there are actually any files in the folder. |
| 255 | $_files = $wp_filesystem->dirlist($remote_destination); |