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copy_dir › WordPress Function

Since2.5.0
Deprecatedn/a
› copy_dir ( $from, $to, $skip_list = array() )
Parameters: (3)
  • (string) $from Source directory.
    Required: Yes
  • (string) $to Destination directory.
    Required: Yes
  • (string[]) $skip_list An array of files/folders to skip copying.
    Required: No
    Default: array()
Returns:
  • (true|WP_Error) True on success, WP_Error on failure.
Defined at:
Codex:

Copies a directory from one location to another via the WordPress Filesystem Abstraction.

Assumes that WP_Filesystem() has already been called and setup.


Related Functions: move_dir, wp_editor, wp_die, wp_mkdir_p, wp_font_dir

Source 

function copy_dir( $from, $to, $skip_list = array() ) {
	global $wp_filesystem;

	$dirlist = $wp_filesystem->dirlist( $from );

	if ( false === $dirlist ) {
		return new WP_Error( 'dirlist_failed_copy_dir', __( 'Directory listing failed.' ), basename( $from ) );
	}

	$from = trailingslashit( $from );
	$to   = trailingslashit( $to );

	if ( ! $wp_filesystem->exists( $to ) && ! $wp_filesystem->mkdir( $to ) ) {
		return new WP_Error(
			'mkdir_destination_failed_copy_dir',
			__( 'Could not create the destination directory.' ),
			basename( $to )
		);
	}

	foreach ( (array) $dirlist as $filename => $fileinfo ) {
		if ( in_array( $filename, $skip_list, true ) ) {
			continue;
		}

		if ( 'f' === $fileinfo['type'] ) {
			if ( ! $wp_filesystem->copy( $from . $filename, $to . $filename, true, FS_CHMOD_FILE ) ) {
				// If copy failed, chmod file to 0644 and try again.
				$wp_filesystem->chmod( $to . $filename, FS_CHMOD_FILE );

				if ( ! $wp_filesystem->copy( $from . $filename, $to . $filename, true, FS_CHMOD_FILE ) ) {
					return new WP_Error( 'copy_failed_copy_dir', __( 'Could not copy file.' ), $to . $filename );
				}
			}

			wp_opcache_invalidate( $to . $filename );
		} elseif ( 'd' === $fileinfo['type'] ) {
			if ( ! $wp_filesystem->is_dir( $to . $filename ) ) {
				if ( ! $wp_filesystem->mkdir( $to . $filename, FS_CHMOD_DIR ) ) {
					return new WP_Error( 'mkdir_failed_copy_dir', __( 'Could not create directory.' ), $to . $filename );
				}
			}

			// Generate the $sub_skip_list for the subdirectory as a sub-set of the existing $skip_list.
			$sub_skip_list = array();

			foreach ( $skip_list as $skip_item ) {
				if ( str_starts_with( $skip_item, $filename . '/' ) ) {
					$sub_skip_list[] = preg_replace( '!^' . preg_quote( $filename, '!' ) . '/!i', '', $skip_item );
				}
			}

			$result = copy_dir( $from . $filename, $to . $filename, $sub_skip_list );

			if ( is_wp_error( $result ) ) {
				return $result;
			}
		}
	}

	return true;
}