1: <?php
2: /**
3: * Magento
4: *
5: * NOTICE OF LICENSE
6: *
7: * This source file is subject to the Open Software License (OSL 3.0)
8: * that is bundled with this package in the file LICENSE.txt.
9: * It is also available through the world-wide-web at this URL:
10: * http://opensource.org/licenses/osl-3.0.php
11: * If you did not receive a copy of the license and are unable to
12: * obtain it through the world-wide-web, please send an email
13: * to license@magentocommerce.com so we can send you a copy immediately.
14: *
15: * DISCLAIMER
16: *
17: * Do not edit or add to this file if you wish to upgrade Magento to newer
18: * versions in the future. If you wish to customize Magento for your
19: * needs please refer to http://www.magentocommerce.com for more information.
20: *
21: * @category Mage
22: * @package Mage_Core
23: * @copyright Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
24: * @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
25: */
26:
27:
28: /**
29: * Immediate flush block. To be used only as root
30: *
31: * @author Magento Core Team <core@magentocommerce.com>
32: */
33: class Mage_Core_Block_Flush extends Mage_Core_Block_Abstract
34: {
35:
36: protected function _toHtml()
37: {
38: if (!$this->_beforeToHtml()) {
39: return '';
40: }
41:
42: ob_implicit_flush();
43:
44: foreach ($this->getSortedChildren() as $name) {
45: $block = $this->getLayout()->getBlock($name);
46: if (!$block) {
47: Mage::exception(Mage::helper('core')->__('Invalid block: %s', $name));
48: }
49: echo $block->toHtml();
50: }
51: }
52:
53: }
54: