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Mysql.php
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Mysql.php
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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Db\Adapter\Platform;
use Zend\Db\Adapter\Driver\Mysqli;
use Zend\Db\Adapter\Driver\Pdo;
use Zend\Db\Adapter\Exception;
class Mysql implements PlatformInterface
{
/** @var \mysqli|\PDO */
protected $resource = null;
public function __construct($driver = null)
{
if ($driver) {
$this->setDriver($driver);
}
}
/**
* @param \Zend\Db\Adapter\Driver\Mysqli\Mysqli|\Zend\Db\Adapter\Driver\Pdo\Pdo||\mysqli|\PDO $driver
* @throws \Zend\Db\Adapter\Exception\InvalidArgumentException
* @return $this
*/
public function setDriver($driver)
{
// handle Zend_Db drivers
if ($driver instanceof Mysqli\Mysqli
|| ($driver instanceof Pdo\Pdo && $driver->getDatabasePlatformName() == 'Mysql')
) {
/** @var $driver \Zend\Db\Adapter\Driver\DriverInterface */
$this->resource = $driver->getConnection()->getResource();
return $this;
}
// handle
if ($driver instanceof \mysqli
|| ($driver instanceof \PDO && $driver->getAttribute(\PDO::ATTR_DRIVER_NAME) == 'mysql')
) {
$this->resource = $driver;
return $this;
}
throw new Exception\InvalidArgumentException('$driver must be a Mysqli or Mysql PDO Zend\Db\Adapter\Driver, Mysqli instance or MySQL PDO instance');
}
/**
* Get name
*
* @return string
*/
public function getName()
{
return 'MySQL';
}
/**
* Get quote identifier symbol
*
* @return string
*/
public function getQuoteIdentifierSymbol()
{
return '`';
}
/**
* Quote identifier
*
* @param string $identifier
* @return string
*/
public function quoteIdentifier($identifier)
{
return '`' . str_replace('`', '``', $identifier) . '`';
}
/**
* Quote identifier chain
*
* @param string|string[] $identifierChain
* @return string
*/
public function quoteIdentifierChain($identifierChain)
{
$identifierChain = str_replace('`', '``', $identifierChain);
if (is_array($identifierChain)) {
$identifierChain = implode('`.`', $identifierChain);
}
return '`' . $identifierChain . '`';
}
/**
* Get quote value symbol
*
* @return string
*/
public function getQuoteValueSymbol()
{
return '\'';
}
/**
* Quote value
*
* @param string $value
* @return string
*/
public function quoteValue($value)
{
if ($this->resource instanceof \mysqli) {
return '\'' . $this->resource->real_escape_string($value) . '\'';
}
if ($this->resource instanceof \PDO) {
return $this->resource->quote($value);
}
trigger_error(
'Attempting to quote a value in ' . __CLASS__ . ' without extension/driver support '
. 'can introduce security vulnerabilities in a production environment.'
);
return '\'' . addcslashes($value, "\x00\n\r\\'\"\x1a") . '\'';
}
/**
* Quote Trusted Value
*
* The ability to quote values without notices
*
* @param $value
* @return mixed
*/
public function quoteTrustedValue($value)
{
if ($this->resource instanceof \mysqli) {
return '\'' . $this->resource->real_escape_string($value) . '\'';
}
if ($this->resource instanceof \PDO) {
return $this->resource->quote($value);
}
return '\'' . addcslashes($value, "\x00\n\r\\'\"\x1a") . '\'';
}
/**
* Quote value list
*
* @param string|string[] $valueList
* @return string
*/
public function quoteValueList($valueList)
{
if (!is_array($valueList)) {
return $this->quoteValue($valueList);
}
$value = reset($valueList);
do {
$valueList[key($valueList)] = $this->quoteValue($value);
} while ($value = next($valueList));
return implode(', ', $valueList);
}
/**
* Get identifier separator
*
* @return string
*/
public function getIdentifierSeparator()
{
return '.';
}
/**
* Quote identifier in fragment
*
* @param string $identifier
* @param array $safeWords
* @return string
*/
public function quoteIdentifierInFragment($identifier, array $safeWords = array())
{
// regex taken from @link http://dev.mysql.com/doc/refman/5.0/en/identifiers.html
$parts = preg_split('#([^0-9,a-z,A-Z$_])#', $identifier, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
if ($safeWords) {
$safeWords = array_flip($safeWords);
$safeWords = array_change_key_case($safeWords, CASE_LOWER);
}
foreach ($parts as $i => $part) {
if ($safeWords && isset($safeWords[strtolower($part)])) {
continue;
}
switch ($part) {
case ' ':
case '.':
case '*':
case 'AS':
case 'As':
case 'aS':
case 'as':
break;
default:
$parts[$i] = '`' . str_replace('`', '``', $part) . '`';
}
}
return implode('', $parts);
}
}