order: child-theme before theme, so that array_unique filters out parent doubles
			'default'     => WPO_WCPDF()->plugin_path() . '/templates/',
			'child-theme' => get_stylesheet_directory() . "/{$template_base_path}/pdf/",
			'theme'       => get_template_directory() . "/{$template_base_path}/pdf/",
		);

		$template_paths = apply_filters( 'wpo_wcpdf_template_paths', $template_paths );

		if ( defined( 'WP_CONTENT_DIR' ) && strpos( WP_CONTENT_DIR, ABSPATH ) !== false ) {
			$forwardslash_basepath = str_replace( '\\', '/', ABSPATH );
		} else {
			$forwardslash_basepath = str_replace( '\\', '/', WP_CONTENT_DIR );
		}

		foreach ( $template_paths as $template_source => $template_path ) {
			$dirs = (array) glob( $template_path . '*' , GLOB_ONLYDIR );
			
			foreach ( $dirs as $dir ) {
				// we're stripping abspath to make the plugin settings more portable
				$forwardslash_dir = str_replace( '\\', '/', $dir );
				$installed_templates[ str_replace( $forwardslash_basepath, '', $forwardslash_dir ) ] = basename($dir);
			}
		}

		// remove parent doubles
		$installed_templates = array_unique($installed_templates);

		if ( empty( $installed_templates ) ) {
			// fallback to Simple template for servers with glob() disabled
			$simple_template_path = str_replace( ABSPATH, '', $template_paths['default'] . 'Simple' );
			$installed_templates[$simple_template_path] = 'Simple';
		}

		return apply_filters( 'wpo_wcpdf_templates', $installed_templates );
	}

}

endif; // class_exists