Refresh the invalidated cache using cron job - Magento 1

In Magento, when we make changes in products, static blocks etc, to shows the changes on frontend, we have to refresh the invalidated cache from System > Cache Management.

This is a default functionality in Magento. But some new admin didn’t care about cache management and argue that changes are not happen in front end.

Below you can find a PHP script that will refresh the invalidate cache types only.

<?php
ini_set('max_execution_time', 18000);
require_once 'app/Mage.php';
$app = Mage::app('admin');
umask(0);
Mage::setIsDeveloperMode(true);

//Cache Refresh Start
$invalidatedTypes = Mage::app()->getCacheInstance()->getInvalidatedTypes();
foreach ($invalidatedTypes as $type) {
	Mage::app()->getCacheInstance()->cleanType($type->getId());
	Mage::log('Cache Type '.$type->getId()." Is Refresh.",null,'Refresh_Cache.log');
}
//Cache Refresh End

?>

If you want to refresh invalidate cache at specific intervals,

  1. Create a PHP file in your server.
  2. Copy above code snippet in that file.
  3. Create a cron job that run the new PHP file at a specific interval.

Here is my new cron job in a cPanel server.

Refresh invalidate cache using cron job

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