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It should be the same, but it also deletes XML cache and theme cache.

This module only makes the same you were talking about in this thread, cleaning cache using this:

Tools::clearSmartyCache();
Tools::clearXMLCache();
Media::clearCache();
Tools::generateIndex();

It also adds the ability to set a time for cleaning repeatedly. But the way it works is the same as other people were posting here.

You can check at Tools.php and Media.php files the content of those methods:

/**
* Clear Smarty cache and compile folders.
*/
public static function clearSmartyCache()
{
	$smarty = Context::getContext()->smarty;
	Tools::clearCache($smarty);
	Tools::clearCompile($smarty);
}

/**
* Clear XML cache folder.
*/
public static function clearXMLCache()
{
	foreach (scandir(_PS_ROOT_DIR_ . '/config/xml', SCANDIR_SORT_NONE) as $file) {
		$path_info = pathinfo($file, PATHINFO_EXTENSION);
		if (($path_info == 'xml') && ($file != 'default.xml')) {
			self::deleteFile(_PS_ROOT_DIR_ . '/config/xml/' . $file);
		}
	}
}

/**
* Clear theme cache.
*/
public static function clearCache()
{
	$files = array_merge(
		glob(_PS_THEME_DIR_ . 'assets/cache/*', GLOB_NOSORT),
		glob(_PS_THEME_DIR_ . 'cache/*', GLOB_NOSORT)
	);

	foreach ($files as $file) {
		if ('index.php' !== basename($file)) {
			Tools::deleteFile($file);
		}
	}

	$version = (int) Configuration::get('PS_CCCJS_VERSION');
	Configuration::updateValue('PS_CCCJS_VERSION', ++$version);
	$version = (int) Configuration::get('PS_CCCCSS_VERSION');
	Configuration::updateValue('PS_CCCCSS_VERSION', ++$version);
}