Василий Наумкин

$res = $modx->query("SELECT * FROM modx_users WHERE...");

$res = $modx->query("SELECT * FROM {$modx->config['table_prefix']}_users WHERE...");

$res = $modx->query("SELECT * FROM {$modx->getTableName('modUser')} WHERE...");

$modx->event->returnedValues

case 'msOnGetProductPrice':
		if ($modx->context->key == 'mgr') {return;}
		/**
		 * Counts discount of current product for current user, based on rules in msDiscount component
		 * New price must be set in $modx->event->returnedValues['price']
		 *
		 * @var msProductData $product Object with product properties
		 * @var array $data Array with product properties. Can be empty!
		 * @var float $price Current price of product
		 */
		if (!isset($modx->event->returnedValues['price'])) {
			$modx->event->returnedValues['price'] = $price;
		}
		// Get link to product price
		$price = & $modx->event->returnedValues['price'];
		$new_price = $msDiscount->getNewPrice($product->id, $price);
		if ($new_price !== false) {
			$price = $new_price;
		}
		break;

location ~* ^/core/ {
    deny                all;
}