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<?php
/** @file dbaarray.inc
* @ingroup Examples
* @brief class DbaArray
* @author Marcus Boerger
* @date 2003 - 2005
*
* SPL - Standard PHP Library
*/
if (!class_exists("DbaReader", false)) require_once("dbareader.inc");
/** @ingroup Examples
* @brief This implements a DBA Array
* @author Marcus Boerger
* @version 1.0
*/
class DbaArray extends DbaReader implements ArrayAccess
{
/**
* Open database $file with $handler in read only mode.
*
* @param file Database file to open.
* @param handler Handler to use for database access.
*/
function __construct($file, $handler)
{
$this->db = dba_popen($file, "c", $handler);
if (!$this->db) {
throw new exception("Databse could not be opened");
}
}
/**
* Close database.
*/
function __destruct()
{
parent::__destruct();
}
/**
* Read an entry.
*
* @param $name key to read from
* @return value associated with $name
*/
function offsetGet($name)
{
$data = dba_fetch($name, $this->db);
if($data) {
//return unserialize($data);
return $data;
}
else
{
return NULL;
}
}
/**
* Set an entry.
*
* @param $name key to write to
* @param $value value to write
*/
function offsetSet($name, $value)
{
//dba_replace($name, serialize($value), $this->db);
dba_replace($name, $value, $this->db);
return $value;
}
/**
* @return whether key $name exists.
*/
function offsetExists($name)
{
return dba_exists($name, $this->db);
}
/**
* Delete a key/value pair.
*
* @param $name key to delete.
*/
function offsetUnset($name)
{
return dba_delete($name, $this->db);
}
}
?>