Script to mark processing state orders between certain date as completed

completeorderstate.php

<?php
$mageFilename = '../app/Mage.php';
require_once $mageFilename;
Mage::setIsDeveloperMode(true);
ini_set('display_errors', 1);
umask(0);
Mage::app('admin');
Mage::register('isSecureArea', 1);
Mage::app()->setCurrentStore(Mage_Core_Model_App::ADMIN_STORE_ID);
 
set_time_limit(0);
ini_set('memory_limit','1024M');

/*
    const STATE_NEW             = 'new';
    const STATE_PENDING_PAYMENT = 'pending_payment';
    const STATE_PROCESSING      = 'processing';
    const STATE_COMPLETE        = 'complete';
    const STATE_CLOSED          = 'closed';
    const STATE_CANCELED        = 'canceled';
    const STATE_HOLDED          = 'holded';
    const STATE_PAYMENT_REVIEW  = 'payment_review';
 */
/*
$orderId = array('100035306','100035307');

// Start Magento
$app = Mage::app();

foreach ($orderId as $order) {
  $order = Mage::getModel('sales/order')->loadByIncrementID($order);
  $old_state = $order->getState();

  $order->addStatusToHistory(Mage_Sales_Model_Order::STATE_COMPLETE);
  $order->setStatus('complete');
  $history = $order->addStatusHistoryComment('Order was invoiced via profit master.', false);
  $history->setIsCustomerNotified(false);
  $order->save();

  $new_state = $order->getState();
  echo "Modified order $order->getId(): Old state: $old_state. New state: $new_state\n";
}
*/

/*
$dateStart = date('Y-m-d', "01/01/2007");
$dateEnd = date('Y-m-d', "30/09/2016");
*/
/*
$originalDate = "2010-03-21";
$newDate = date("d-m-Y", strtotime($originalDate));
*/

$collection = Mage::getModel('sales/order')->getCollection()
							->addAttributeToFilter('created_at', array('from'=>"2007/01/01", 'to'=>"2016/09/30"))
							->addAttributeToFilter('status', array('eq' => Mage_Sales_Model_Order::STATE_PROCESSING))
							->setOrder('created_at', 'ASC')
							->load();		
												
foreach ($collection as $order) {
/*
	echo("working");
	$order = Mage::getModel('sales/order')->loadByIncrementID($order->getIncrementId());
*/
  $old_state = $order->getState();
  $order->addStatusToHistory(Mage_Sales_Model_Order::STATE_COMPLETE);
  $order->setStatus('complete');
  $history = $order->addStatusHistoryComment('Order was invoiced via profit master.', false);
  $history->setIsCustomerNotified(false);
  $order->save();

  $new_state = $order->getState();
  echo "Modified order $order->getId(): Old state: $old_state. New state: $new_state\n";
}


?>