Capture.php

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<?php
#require_once 'Zend/Cache/Core.php';


class Zend_Cache_Frontend_Capture extends Zend_Cache_Core
{
    protected $_idStack = array();

    protected $_tags = array();

    protected $_extension = null;

    public function start($id, array $tags, $extension = null)
    {
        $this->_tags = $tags;
        $this->_extension = $extension;
        ob_start(array($this, '_flush'));
        ob_implicit_flush(false);
        $this->_idStack[] = $id;
        return false;
    }

    public function _flush($data)
    {
        $id = array_pop($this->_idStack);
        if ($id === null) {
            Zend_Cache::throwException('use of _flush() without a start()');
        }
        if ($this->_extension) {
            $this->save(serialize(array($data, $this->_extension)), $id, $this->_tags);
        } else {
            $this->save($data, $id, $this->_tags);
        }
        return $data;
    }
}