362 lines
11 KiB
PHP
362 lines
11 KiB
PHP
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<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Db
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* @subpackage Statement
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id: Mysqli.php 18195 2009-09-17 20:58:05Z bittarman $
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*/
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/**
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* @see Zend_Db_Statement
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*/
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require_once 'Zend/Db/Statement.php';
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/**
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* Extends for Mysqli
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*
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* @category Zend
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* @package Zend_Db
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* @subpackage Statement
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Db_Statement_Mysqli extends Zend_Db_Statement
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{
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/**
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* Column names.
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*
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* @var array
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*/
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protected $_keys;
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/**
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* Fetched result values.
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*
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* @var array
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*/
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protected $_values;
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/**
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* @var array
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*/
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protected $_meta = null;
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/**
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* @param string $sql
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* @return void
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* @throws Zend_Db_Statement_Mysqli_Exception
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*/
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public function _prepare($sql)
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{
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$mysqli = $this->_adapter->getConnection();
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$this->_stmt = $mysqli->prepare($sql);
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if ($this->_stmt === false || $mysqli->errno) {
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/**
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* @see Zend_Db_Statement_Mysqli_Exception
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*/
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require_once 'Zend/Db/Statement/Mysqli/Exception.php';
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throw new Zend_Db_Statement_Mysqli_Exception("Mysqli prepare error: " . $mysqli->error, $mysqli->errno);
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}
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}
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/**
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* Binds a parameter to the specified variable name.
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*
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* @param mixed $parameter Name the parameter, either integer or string.
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* @param mixed $variable Reference to PHP variable containing the value.
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* @param mixed $type OPTIONAL Datatype of SQL parameter.
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* @param mixed $length OPTIONAL Length of SQL parameter.
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* @param mixed $options OPTIONAL Other options.
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* @return bool
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* @throws Zend_Db_Statement_Mysqli_Exception
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*/
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protected function _bindParam($parameter, &$variable, $type = null, $length = null, $options = null)
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{
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return true;
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}
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/**
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* Closes the cursor and the statement.
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*
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* @return bool
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*/
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public function close()
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{
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if ($this->_stmt) {
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$r = $this->_stmt->close();
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$this->_stmt = null;
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return $r;
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}
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return false;
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}
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/**
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* Closes the cursor, allowing the statement to be executed again.
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*
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* @return bool
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*/
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public function closeCursor()
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{
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if ($stmt = $this->_stmt) {
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$mysqli = $this->_adapter->getConnection();
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while ($mysqli->more_results()) {
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$mysqli->next_result();
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}
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$this->_stmt->free_result();
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return $this->_stmt->reset();
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}
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return false;
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}
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/**
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* Returns the number of columns in the result set.
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* Returns null if the statement has no result set metadata.
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*
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* @return int The number of columns.
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*/
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public function columnCount()
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{
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if (isset($this->_meta) && $this->_meta) {
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return $this->_meta->field_count;
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}
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return 0;
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}
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/**
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* Retrieves the error code, if any, associated with the last operation on
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* the statement handle.
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*
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* @return string error code.
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*/
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public function errorCode()
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{
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if (!$this->_stmt) {
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return false;
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}
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return substr($this->_stmt->sqlstate, 0, 5);
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}
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/**
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* Retrieves an array of error information, if any, associated with the
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* last operation on the statement handle.
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*
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* @return array
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*/
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public function errorInfo()
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{
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if (!$this->_stmt) {
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return false;
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}
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return array(
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substr($this->_stmt->sqlstate, 0, 5),
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$this->_stmt->errno,
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$this->_stmt->error,
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);
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}
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/**
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* Executes a prepared statement.
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*
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* @param array $params OPTIONAL Values to bind to parameter placeholders.
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* @return bool
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* @throws Zend_Db_Statement_Mysqli_Exception
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*/
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public function _execute(array $params = null)
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{
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if (!$this->_stmt) {
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return false;
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}
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// if no params were given as an argument to execute(),
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// then default to the _bindParam array
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if ($params === null) {
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$params = $this->_bindParam;
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}
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// send $params as input parameters to the statement
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if ($params) {
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array_unshift($params, str_repeat('s', count($params)));
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$stmtParams = array();
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foreach ($params as $k => &$value) {
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$stmtParams[$k] = &$value;
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}
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call_user_func_array(
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array($this->_stmt, 'bind_param'),
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$stmtParams
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);
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}
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// execute the statement
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$retval = $this->_stmt->execute();
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if ($retval === false) {
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/**
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* @see Zend_Db_Statement_Mysqli_Exception
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*/
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require_once 'Zend/Db/Statement/Mysqli/Exception.php';
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throw new Zend_Db_Statement_Mysqli_Exception("Mysqli statement execute error : " . $this->_stmt->error, $this->_stmt->errno);
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}
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// retain metadata
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if ($this->_meta === null) {
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$this->_meta = $this->_stmt->result_metadata();
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if ($this->_stmt->errno) {
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/**
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* @see Zend_Db_Statement_Mysqli_Exception
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*/
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require_once 'Zend/Db/Statement/Mysqli/Exception.php';
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throw new Zend_Db_Statement_Mysqli_Exception("Mysqli statement metadata error: " . $this->_stmt->error, $this->_stmt->errno);
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}
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}
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// statements that have no result set do not return metadata
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if ($this->_meta !== false) {
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// get the column names that will result
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$this->_keys = array();
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foreach ($this->_meta->fetch_fields() as $col) {
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$this->_keys[] = $this->_adapter->foldCase($col->name);
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}
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// set up a binding space for result variables
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$this->_values = array_fill(0, count($this->_keys), null);
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// set up references to the result binding space.
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// just passing $this->_values in the call_user_func_array()
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// below won't work, you need references.
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$refs = array();
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foreach ($this->_values as $i => &$f) {
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$refs[$i] = &$f;
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}
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$this->_stmt->store_result();
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// bind to the result variables
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call_user_func_array(
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array($this->_stmt, 'bind_result'),
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$this->_values
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);
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}
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return $retval;
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}
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/**
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* Fetches a row from the result set.
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*
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* @param int $style OPTIONAL Fetch mode for this fetch operation.
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* @param int $cursor OPTIONAL Absolute, relative, or other.
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* @param int $offset OPTIONAL Number for absolute or relative cursors.
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* @return mixed Array, object, or scalar depending on fetch mode.
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* @throws Zend_Db_Statement_Mysqli_Exception
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*/
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public function fetch($style = null, $cursor = null, $offset = null)
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{
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if (!$this->_stmt) {
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return false;
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}
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// fetch the next result
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$retval = $this->_stmt->fetch();
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switch ($retval) {
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case null: // end of data
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case false: // error occurred
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$this->_stmt->reset();
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return false;
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default:
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// fallthrough
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}
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// make sure we have a fetch mode
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if ($style === null) {
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$style = $this->_fetchMode;
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}
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// dereference the result values, otherwise things like fetchAll()
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// return the same values for every entry (because of the reference).
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$values = array();
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foreach ($this->_values as $key => $val) {
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$values[] = $val;
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}
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$row = false;
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switch ($style) {
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case Zend_Db::FETCH_NUM:
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$row = $values;
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break;
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case Zend_Db::FETCH_ASSOC:
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$row = array_combine($this->_keys, $values);
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break;
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case Zend_Db::FETCH_BOTH:
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$assoc = array_combine($this->_keys, $values);
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$row = array_merge($values, $assoc);
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break;
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case Zend_Db::FETCH_OBJ:
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$row = (object) array_combine($this->_keys, $values);
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break;
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case Zend_Db::FETCH_BOUND:
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$assoc = array_combine($this->_keys, $values);
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$row = array_merge($values, $assoc);
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return $this->_fetchBound($row);
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break;
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default:
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/**
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* @see Zend_Db_Statement_Mysqli_Exception
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*/
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require_once 'Zend/Db/Statement/Mysqli/Exception.php';
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throw new Zend_Db_Statement_Mysqli_Exception("Invalid fetch mode '$style' specified");
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break;
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}
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return $row;
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}
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/**
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* Retrieves the next rowset (result set) for a SQL statement that has
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* multiple result sets. An example is a stored procedure that returns
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* the results of multiple queries.
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*
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* @return bool
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* @throws Zend_Db_Statement_Mysqli_Exception
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*/
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public function nextRowset()
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{
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/**
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* @see Zend_Db_Statement_Mysqli_Exception
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*/
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require_once 'Zend/Db/Statement/Mysqli/Exception.php';
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throw new Zend_Db_Statement_Mysqli_Exception(__FUNCTION__.'() is not implemented');
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}
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/**
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* Returns the number of rows affected by the execution of the
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* last INSERT, DELETE, or UPDATE statement executed by this
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* statement object.
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*
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* @return int The number of rows affected.
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*/
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public function rowCount()
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{
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if (!$this->_adapter) {
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return false;
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}
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$mysqli = $this->_adapter->getConnection();
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return $mysqli->affected_rows;
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}
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}
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