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Source View: upgrader_source_selection

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Line Code
188
189           //Locate which directory to copy to the new folder, This is based on the actual folder holding the files.
190           if ( 1 == count($source_files) && $wp_filesystem->is_dir( trailingslashit($source) . $source_files[0] . '/') ) //Only one folder? Then we want its contents.
191                $source = trailingslashit($source) . trailingslashit($source_files[0]);
192           elseif ( count($source_files) == 0 )
193                return new WP_Error('bad_package', $this->strings['bad_package']); //There are no files?
194           //else //Its only a single file, The upgrader will use the foldername of this file as the destination folder. foldername is based on zip filename.
195
196           //Hook ability to change the source file location..
197           $source = apply_filters('upgrader_source_selection', $source, $remote_source, $this);
198           if ( is_wp_error($source) )
199                return $source;
200
201           //Has the source location changed? If so, we need a new source_files list.
202           if ( $source !== $remote_source )
203                $source_files = array_keys( $wp_filesystem->dirlist($source) );
204
205           //Protection against deleting files in any important base directories.
206           if ( in_array( $destination, array(ABSPATH, WP_CONTENT_DIR, WP_PLUGIN_DIR, WP_CONTENT_DIR . '/themes') ) ) {