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  // Add a reaction rule to set the order created date to the checkout

  // completion date. This was added in a point release and thus will be

  // disabled by default for updated sites based on a variable set in an update

  // hook but enabled by default for new sites.

  $rule = rules_reaction_rule();

  $rule->label = t('Set the order created date to the checkout completion date');

  $rule->tags = array('Commerce Checkout');

  $rule->active = variable_get('enable_commerce_checkout_order_created_date_update', TRUE);

  $rule

    ->event('commerce_checkout_complete')

    ->action('data_set', array(

      'data:select' => 'commerce-order:created',

      'value:select' => 'site:current-date',

    ));

  $rule->weight = -10;

  $rules['commerce_checkout_order_created_date_update'] = $rule;