MODx: REFRESH / CLEAR MODX (REVOLUTION) CACHE FROM PHP SCRIPT REFRESH / CLEAR MODX (REVOLUTION) CACHE FROM PHP SCRIPT

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<?php
/* Downloaded from: http://www.dangibbs.co.uk/journal/clear-modx-revolution-cache-from-php-script
   UNTESTED!!!
*/

/* 
 * Clear (refresh) MODx Cache from external PHP Script
 *
 * MODx Revolution (2.0.7-pl)
 * Daniel Gibbs
 */
 
// Path to MODx Core Directory
define("MODX_CORE_PATH", "../core/");
define("MODX_CONFIG_KEY", "config");
 
// Include MODx main class
include(MODX_CORE_PATH."model/modx/modx.class.php");
 
// Instantiate
$modx= new modX();
$modx->initialize("xPDO");
 
// Clear the cache (taken from /core/model/modx/processors/system/clearcache.php)
$paths = array(
    'config.cache.php',
    'sitePublishing.idx.php',
    'registry/mgr/workspace/',
    'lexicon/',
);
 
$contexts = $modx->getCollection('modContext');
 
foreach ($contexts as $context) {
	$paths[] = $context->get('key') . '/';
}
 
$options = array(
	'publishing' => 1,
	'extensions' => array('.cache.php', '.msg.php', '.tpl.php'),
);
 
if ($modx->getOption('cache_db')) $options['objects'] = '*';
 
// The final magic
$results= $modx->cacheManager->clearCache($paths, $options);