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<?php defined('SYSPATH') or die('No direct script access.');
/**
* MySQL database result.
*
* @package Kohana
* @author Kohana Team
* @copyright (c) 2008-2009 Kohana Team
* @license http://kohanaphp.com/license
*/
class Database_Mysqli_Result_Core extends Database_Result {
protected $internal_row = 0;
public function __construct($result, $sql, $link, $return_objects)
{
if (is_object($result))
{
// True to return objects, false for arrays
$this->return_objects = $return_objects;
$this->total_rows = $result->num_rows;
}
elseif (is_bool($result))
{
if ($result == FALSE)
{
throw new Database_Exception('#:errno: :error [ :query ]',
array(':error' => $link->error,
':query' => $sql,
':errno' => $link->errno));
}
else
{
// It's a DELETE, INSERT, REPLACE, or UPDATE query
$this->insert_id = $link->insert_id;
$this->total_rows = $link->affected_rows;
}
}
// Store the result locally
$this->result = $result;
$this->sql = $sql;
}
public function __destruct()
{
if (is_object($this->result))
{
$this->result->free();
}
}
public function as_array($return = FALSE)
{
// Return arrays rather than objects
$this->return_objects = FALSE;
if ( ! $return )
{
// Return this result object
return $this;
}
// Return a nested array of all results
if (RUNS_MYSQLND)
return $this->result->fetch_all(MYSQLI_ASSOC);
$array = array();
if ($this->total_rows > 0)
{
// Seek to the beginning of the result
$this->result->data_seek(0);
while ($row = $this->result->fetch_assoc())
{
// Add each row to the array
$array[] = $row;
}
$this->internal_row = $this->total_rows;
}
return $array;
}
public function as_object($class = NULL, $return = FALSE)
{
// Return objects of type $class (or stdClass if none given)
$this->return_objects = ($class !== NULL) ? $class : TRUE;
if ( ! $return )
{
// Return this result object
return $this;
}
// Return a nested array of all results
$array = array();
if ($this->total_rows > 0)
{
// Seek to the beginning of the result
$this->result->data_seek(0);
if (is_string($this->return_objects))
{
while ($row = $this->result->fetch_object($this->return_objects))
{
// Add each row to the array
$array[] = $row;
}
}
else
{
while ($row = $this->result->fetch_object())
{
// Add each row to the array
$array[] = $row;
}
}
$this->internal_row = $this->total_rows;
}
return $array;
}
/**
* SeekableIterator: seek
*/
public function seek($offset)
{
if ($this->offsetExists($offset) AND $this->result->data_seek($offset))
{
// Set the current row to the offset
$this->current_row = $offset;
return TRUE;
}
else
{
return FALSE;
}
}
/**
* Iterator: current
*/
public function current()
{
if ($this->current_row !== $this->internal_row AND ! $this->seek($this->current_row))
return NULL;
++$this->internal_row;
if ($this->return_objects)
{
if (is_string($this->return_objects))
{
return $this->result->fetch_object($this->return_objects);
}
else
{
return $this->result->fetch_object();
}
}
else
{
// Return an array of the row
return $this->result->fetch_assoc();
}
}
} // End Database_MySQLi_Result
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