WP_Upgrader::clear_destination( string $remote_destination )
Clears the directory where this item is going to be installed into.
Parameters
- $remote_destination
-
(Required) The location on the remote filesystem to be cleared
Return
Source
File: wp-admin/includes/class-wp-upgrader.php
public function clear_destination( $remote_destination ) {
global $wp_filesystem;
$files = $wp_filesystem->dirlist( $remote_destination, true, true );
// False indicates that the $remote_destination doesn't exist.
if ( false === $files ) {
return true;
}
// Flatten the file list to iterate over
$files = $this->flatten_dirlist( $files );
// Check all files are writable before attempting to clear the destination.
$unwritable_files = array();
// Check writability.
foreach ( $files as $filename => $file_details ) {
if ( ! $wp_filesystem->is_writable( $remote_destination . $filename ) ) {
// Attempt to alter permissions to allow writes and try again.
$wp_filesystem->chmod( $remote_destination . $filename, ( 'd' == $file_details['type'] ? FS_CHMOD_DIR : FS_CHMOD_FILE ) );
if ( ! $wp_filesystem->is_writable( $remote_destination . $filename ) ) {
$unwritable_files[] = $filename;
}
}
}
if ( ! empty( $unwritable_files ) ) {
return new WP_Error( 'files_not_writable', $this->strings['files_not_writable'], implode( ', ', $unwritable_files ) );
}
if ( ! $wp_filesystem->delete( $remote_destination, true ) ) {
return new WP_Error( 'remove_old_failed', $this->strings['remove_old_failed'] );
}
return true;
}
Changelog
Version | Description |
---|---|
WP-4.3.0 | Introduced. |