M1 - Clear cache programatically

clean_cache.php

<?php
	//increase execution time
	ini_set('max_execution_time', 900); //900 seconds = 15 minutes

	//require Magento
	require_once 'app/Mage.php';
	$app = Mage::app('admin');
	umask(0);

	//enable Error Reporting
	error_reporting(E_ALL & ~E_NOTICE);

	try {
		//CLEAN OVERALL CACHE
		flush();
		Mage::app()->cleanCache();
		// CLEAN IMAGE CACHE
		flush();
		Mage::getModel('catalog/product_image')->clearCache();
		//print
		print 'done';
	}
	catch(Exception $e) {
		//something went wrong...
		print($e->getMessage());
	}
?>

refresh_cache.php

<?php
	//increase execution time
	ini_set('max_execution_time', 900); //900 seconds = 15 minutes

	//require Magento
	require_once 'app/Mage.php';
	$app = Mage::app('admin');
	umask(0);

	//enable Error Reporting
	error_reporting(E_ALL & ~E_NOTICE);

	$types=array('config','layout','block_html','translate','collections','eav','config_api','config_api2');
	foreach($types as $type) {
		$c = Mage::app()->getCacheInstance()->cleanType($type);
		Mage::dispatchEvent('adminhtml_cache_refresh_type', array('type' => $type));
	}