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<?php
namespace {
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Db
* @subpackage Statement
* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Statement.php 23775 2011-03-01 17:25:24Z ralph $
*/
/**
* @see Zend_Db
*/
// require_once 'Zend/Db.php';
/**
* @see Zend_Db_Statement_Interface
*/
// require_once 'Zend/Db/Statement/Interface.php';
/**
* Abstract class to emulate a PDOStatement for native database adapters.
*
* @category Zend
* @package Zend_Db
* @subpackage Statement
* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
abstract class Zend_Db_Statement implements \Zend_Db_Statement_Interface
{
/**
* @var resource|object The driver level statement object/resource
*/
protected $_stmt = null;
/**
* @var Zend_Db_Adapter_Abstract
*/
protected $_adapter = null;
/**
* The current fetch mode.
*
* @var integer
*/
protected $_fetchMode = \Zend_Db::FETCH_ASSOC;
/**
* Attributes.
*
* @var array
*/
protected $_attribute = array();
/**
* Column result bindings.
*
* @var array
*/
protected $_bindColumn = array();
/**
* Query parameter bindings; covers bindParam() and bindValue().
*
* @var array
*/
protected $_bindParam = array();
/**
* SQL string split into an array at placeholders.
*
* @var array
*/
protected $_sqlSplit = array();
/**
* Parameter placeholders in the SQL string by position in the split array.
*
* @var array
*/
protected $_sqlParam = array();
/**
* @var Zend_Db_Profiler_Query
*/
protected $_queryId = null;
/**
* Constructor for a statement.
*
* @param Zend_Db_Adapter_Abstract $adapter
* @param mixed $sql Either a string or Zend_Db_Select.
*/
public function __construct($adapter, $sql)
{
$this->_adapter = $adapter;
if ($sql instanceof \Zend_Db_Select) {
$sql = $sql->assemble();
}
$this->_parseParameters($sql);
$this->_prepare($sql);
$this->_queryId = $this->_adapter->getProfiler()->queryStart($sql);
}
/**
* Internal method called by abstract statment constructor to setup
* the driver level statement
*
* @return void
*/
protected function _prepare($sql)
{
return;
}
/**
* @param string $sql
* @return void
*/
protected function _parseParameters($sql)
{
$sql = $this->_stripQuoted($sql);
// split into text and params
$this->_sqlSplit = \preg_split('/(\\?|\\:[a-zA-Z0-9_]+)/', $sql, -1, \PREG_SPLIT_DELIM_CAPTURE | \PREG_SPLIT_NO_EMPTY);
// map params
$this->_sqlParam = array();
foreach ($this->_sqlSplit as $key => $val) {
if ($val == '?') {
if ($this->_adapter->supportsParameters('positional') === \false) {
/**
* @see Zend_Db_Statement_Exception
*/
// require_once 'Zend/Db/Statement/Exception.php';
throw new \Zend_Db_Statement_Exception("Invalid bind-variable position '{$val}'");
}
} else {
if ($val[0] == ':') {
if ($this->_adapter->supportsParameters('named') === \false) {
/**
* @see Zend_Db_Statement_Exception
*/
// require_once 'Zend/Db/Statement/Exception.php';
throw new \Zend_Db_Statement_Exception("Invalid bind-variable name '{$val}'");
}
}
}
$this->_sqlParam[] = $val;
}
// set up for binding
$this->_bindParam = array();
}
/**
* Remove parts of a SQL string that contain quoted strings
* of values or identifiers.
*
* @param string $sql
* @return string
*/
protected function _stripQuoted($sql)
{
// get the character for delimited id quotes,
// this is usually " but in MySQL is `
$d = $this->_adapter->quoteIdentifier('a');
$d = $d[0];
// get the value used as an escaped delimited id quote,
// e.g. \" or "" or \`
$de = $this->_adapter->quoteIdentifier($d);
$de = \substr($de, 1, 2);
$de = \str_replace('\\', '\\\\', $de);
// get the character for value quoting
// this should be '
$q = $this->_adapter->quote('a');
$q = $q[0];
// get the value used as an escaped quote,
// e.g. \' or ''
$qe = $this->_adapter->quote($q);
$qe = \substr($qe, 1, 2);
$qe = \str_replace('\\', '\\\\', $qe);
// get a version of the SQL statement with all quoted
// values and delimited identifiers stripped out
// remove "foo\"bar"
$sql = \preg_replace("/{$q}({$qe}|\\\\{2}|[^{$q}])*{$q}/", '', $sql);
// remove 'foo\'bar'
if (!empty($q)) {
$sql = \preg_replace("/{$q}({$qe}|[^{$q}])*{$q}/", '', $sql);
}
return $sql;
}
/**
* Bind a column of the statement result set to a PHP variable.
*
* @param string $column Name the column in the result set, either by
* position or by name.
* @param mixed $param Reference to the PHP variable containing the value.
* @param mixed $type OPTIONAL
* @return bool
*/
public function bindColumn($column, &$param, $type = null)
{
$this->_bindColumn[$column] =& $param;
return \true;
}
/**
* Binds a parameter to the specified variable name.
*
* @param mixed $parameter Name the parameter, either integer or string.
* @param mixed $variable Reference to PHP variable containing the value.
* @param mixed $type OPTIONAL Datatype of SQL parameter.
* @param mixed $length OPTIONAL Length of SQL parameter.
* @param mixed $options OPTIONAL Other options.
* @return bool
*/
public function bindParam($parameter, &$variable, $type = null, $length = null, $options = null)
{
if (!\is_int($parameter) && !\is_string($parameter)) {
/**
* @see Zend_Db_Statement_Exception
*/
// require_once 'Zend/Db/Statement/Exception.php';
throw new \Zend_Db_Statement_Exception('Invalid bind-variable position');
}
$position = null;
if (($intval = (int) $parameter) > 0 && $this->_adapter->supportsParameters('positional')) {
if ($intval >= 1 || $intval <= \count($this->_sqlParam)) {
$position = $intval;
}
} else {
if ($this->_adapter->supportsParameters('named')) {
if ($parameter[0] != ':') {
$parameter = ':' . $parameter;
}
if (\in_array($parameter, $this->_sqlParam) !== \false) {
$position = $parameter;
}
}
}
if ($position === null) {
/**
* @see Zend_Db_Statement_Exception
*/
// require_once 'Zend/Db/Statement/Exception.php';
throw new \Zend_Db_Statement_Exception("Invalid bind-variable position '{$parameter}'");
}
// Finally we are assured that $position is valid
$this->_bindParam[$position] =& $variable;
return $this->_bindParam($position, $variable, $type, $length, $options);
}
/**
* Binds a value to a parameter.
*
* @param mixed $parameter Name the parameter, either integer or string.
* @param mixed $value Scalar value to bind to the parameter.
* @param mixed $type OPTIONAL Datatype of the parameter.
* @return bool
*/
public function bindValue($parameter, $value, $type = null)
{
return $this->bindParam($parameter, $value, $type);
}
/**
* Executes a prepared statement.
*
* @param array $params OPTIONAL Values to bind to parameter placeholders.
* @return bool
*/
public function execute(array $params = null)
{
/*
* Simple case - no query profiler to manage.
*/
if ($this->_queryId === null) {
return $this->_execute($params);
}
/*
* Do the same thing, but with query profiler
* management before and after the execute.
*/
$prof = $this->_adapter->getProfiler();
$qp = $prof->getQueryProfile($this->_queryId);
if ($qp->hasEnded()) {
$this->_queryId = $prof->queryClone($qp);
$qp = $prof->getQueryProfile($this->_queryId);
}
if ($params !== null) {
$qp->bindParams($params);
} else {
$qp->bindParams($this->_bindParam);
}
$qp->start($this->_queryId);
$retval = $this->_execute($params);
$prof->queryEnd($this->_queryId);
return $retval;
}
/**
* Returns an array containing all of the result set rows.
*
* @param int $style OPTIONAL Fetch mode.
* @param int $col OPTIONAL Column number, if fetch mode is by column.
* @return array Collection of rows, each in a format by the fetch mode.
*/
public function fetchAll($style = null, $col = null)
{
$data = array();
if ($style === \Zend_Db::FETCH_COLUMN && $col === null) {
$col = 0;
}
if ($col === null) {
while ($row = $this->fetch($style)) {
$data[] = $row;
}
} else {
while (\false !== ($val = $this->fetchColumn($col))) {
$data[] = $val;
}
}
return $data;
}
/**
* Returns a single column from the next row of a result set.
*
* @param int $col OPTIONAL Position of the column to fetch.
* @return string One value from the next row of result set, or false.
*/
public function fetchColumn($col = 0)
{
$data = array();
$col = (int) $col;
$row = $this->fetch(\Zend_Db::FETCH_NUM);
if (!\is_array($row)) {
return \false;
}
return $row[$col];
}
/**
* Fetches the next row and returns it as an object.
*
* @param string $class OPTIONAL Name of the class to create.
* @param array $config OPTIONAL Constructor arguments for the class.
* @return mixed One object instance of the specified class, or false.
*/
public function fetchObject($class = 'stdClass', array $config = array())
{
$obj = new $class($config);
$row = $this->fetch(\Zend_Db::FETCH_ASSOC);
if (!\is_array($row)) {
return \false;
}
foreach ($row as $key => $val) {
$obj->{$key} = $val;
}
return $obj;
}
/**
* Retrieve a statement attribute.
*
* @param string $key Attribute name.
* @return mixed Attribute value.
*/
public function getAttribute($key)
{
if (\array_key_exists($key, $this->_attribute)) {
return $this->_attribute[$key];
}
}
/**
* Set a statement attribute.
*
* @param string $key Attribute name.
* @param mixed $val Attribute value.
* @return bool
*/
public function setAttribute($key, $val)
{
$this->_attribute[$key] = $val;
}
/**
* Set the default fetch mode for this statement.
*
* @param int $mode The fetch mode.
* @return bool
* @throws Zend_Db_Statement_Exception
*/
public function setFetchMode($mode)
{
switch ($mode) {
case \Zend_Db::FETCH_NUM:
case \Zend_Db::FETCH_ASSOC:
case \Zend_Db::FETCH_BOTH:
case \Zend_Db::FETCH_OBJ:
$this->_fetchMode = $mode;
break;
case \Zend_Db::FETCH_BOUND:
default:
$this->closeCursor();
/**
* @see Zend_Db_Statement_Exception
*/
// require_once 'Zend/Db/Statement/Exception.php';
throw new \Zend_Db_Statement_Exception('invalid fetch mode');
break;
}
}
/**
* Helper function to map retrieved row
* to bound column variables
*
* @param array $row
* @return bool True
*/
public function _fetchBound($row)
{
foreach ($row as $key => $value) {
// bindColumn() takes 1-based integer positions
// but fetch() returns 0-based integer indexes
if (\is_int($key)) {
$key++;
}
// set results only to variables that were bound previously
if (isset($this->_bindColumn[$key])) {
$this->_bindColumn[$key] = $value;
}
}
return \true;
}
/**
* Gets the Zend_Db_Adapter_Abstract for this
* particular Zend_Db_Statement object.
*
* @return Zend_Db_Adapter_Abstract
*/
public function getAdapter()
{
return $this->_adapter;
}
/**
* Gets the resource or object setup by the
* _parse
* @return unknown_type
*/
public function getDriverStatement()
{
return $this->_stmt;
}
}
}