/Zend/Db/Statement/Mysqli.php
PHP | 362 lines | 176 code | 34 blank | 152 comment | 21 complexity | e563c35c17a369034d65fdd2a3b493c2 MD5 | raw file
- <?php
- /**
- * 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: Mysqli.php 23775 2011-03-01 17:25:24Z ralph $
- */
- /**
- * @see Zend_Db_Statement
- */
- require_once 'Zend/Db/Statement.php';
- /**
- * Extends for Mysqli
- *
- * @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
- */
- class Zend_Db_Statement_Mysqli extends Zend_Db_Statement
- {
- /**
- * Column names.
- *
- * @var array
- */
- protected $_keys;
- /**
- * Fetched result values.
- *
- * @var array
- */
- protected $_values;
- /**
- * @var array
- */
- protected $_meta = null;
- /**
- * @param string $sql
- * @return void
- * @throws Zend_Db_Statement_Mysqli_Exception
- */
- public function _prepare($sql)
- {
- $mysqli = $this->_adapter->getConnection();
- $this->_stmt = $mysqli->prepare($sql);
- if ($this->_stmt === false || $mysqli->errno) {
- /**
- * @see Zend_Db_Statement_Mysqli_Exception
- */
- require_once 'Zend/Db/Statement/Mysqli/Exception.php';
- throw new Zend_Db_Statement_Mysqli_Exception("Mysqli prepare error: " . $mysqli->error, $mysqli->errno);
- }
- }
- /**
- * 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 $options OPTIONAL Other options.
- * @return bool
- * @throws Zend_Db_Statement_Mysqli_Exception
- */
- protected function _bindParam($parameter, &$variable, $type = null, $length = null, $options = null)
- {
- return true;
- }
- /**
- * Closes the cursor and the statement.
- *
- * @return bool
- */
- public function close()
- {
- if ($this->_stmt) {
- $r = $this->_stmt->close();
- $this->_stmt = null;
- return $r;
- }
- return false;
- }
- /**
- * Closes the cursor, allowing the statement to be executed again.
- *
- * @return bool
- */
- public function closeCursor()
- {
- if ($stmt = $this->_stmt) {
- $mysqli = $this->_adapter->getConnection();
- while ($mysqli->more_results()) {
- $mysqli->next_result();
- }
- $this->_stmt->free_result();
- return $this->_stmt->reset();
- }
- return false;
- }
- /**
- * Returns the number of columns in the result set.
- * Returns null if the statement has no result set metadata.
- *
- * @return int The number of columns.
- */
- public function columnCount()
- {
- if (isset($this->_meta) && $this->_meta) {
- return $this->_meta->field_count;
- }
- return 0;
- }
- /**
- * Retrieves the error code, if any, associated with the last operation on
- * the statement handle.
- *
- * @return string error code.
- */
- public function errorCode()
- {
- if (!$this->_stmt) {
- return false;
- }
- return substr($this->_stmt->sqlstate, 0, 5);
- }
- /**
- * Retrieves an array of error information, if any, associated with the
- * last operation on the statement handle.
- *
- * @return array
- */
- public function errorInfo()
- {
- if (!$this->_stmt) {
- return false;
- }
- return array(
- substr($this->_stmt->sqlstate, 0, 5),
- $this->_stmt->errno,
- $this->_stmt->error,
- );
- }
- /**
- * Executes a prepared statement.
- *
- * @param array $params OPTIONAL Values to bind to parameter placeholders.
- * @return bool
- * @throws Zend_Db_Statement_Mysqli_Exception
- */
- public function _execute(array $params = null)
- {
- if (!$this->_stmt) {
- return false;
- }
- // if no params were given as an argument to execute(),
- // then default to the _bindParam array
- if ($params === null) {
- $params = $this->_bindParam;
- }
- // send $params as input parameters to the statement
- if ($params) {
- array_unshift($params, str_repeat('s', count($params)));
- $stmtParams = array();
- foreach ($params as $k => &$value) {
- $stmtParams[$k] = &$value;
- }
- call_user_func_array(
- array($this->_stmt, 'bind_param'),
- $stmtParams
- );
- }
- // execute the statement
- $retval = $this->_stmt->execute();
- if ($retval === false) {
- /**
- * @see Zend_Db_Statement_Mysqli_Exception
- */
- require_once 'Zend/Db/Statement/Mysqli/Exception.php';
- throw new Zend_Db_Statement_Mysqli_Exception("Mysqli statement execute error : " . $this->_stmt->error, $this->_stmt->errno);
- }
- // retain metadata
- if ($this->_meta === null) {
- $this->_meta = $this->_stmt->result_metadata();
- if ($this->_stmt->errno) {
- /**
- * @see Zend_Db_Statement_Mysqli_Exception
- */
- require_once 'Zend/Db/Statement/Mysqli/Exception.php';
- throw new Zend_Db_Statement_Mysqli_Exception("Mysqli statement metadata error: " . $this->_stmt->error, $this->_stmt->errno);
- }
- }
- // statements that have no result set do not return metadata
- if ($this->_meta !== false) {
- // get the column names that will result
- $this->_keys = array();
- foreach ($this->_meta->fetch_fields() as $col) {
- $this->_keys[] = $this->_adapter->foldCase($col->name);
- }
- // set up a binding space for result variables
- $this->_values = array_fill(0, count($this->_keys), null);
- // set up references to the result binding space.
- // just passing $this->_values in the call_user_func_array()
- // below won't work, you need references.
- $refs = array();
- foreach ($this->_values as $i => &$f) {
- $refs[$i] = &$f;
- }
- $this->_stmt->store_result();
- // bind to the result variables
- call_user_func_array(
- array($this->_stmt, 'bind_result'),
- $this->_values
- );
- }
- return $retval;
- }
- /**
- * Fetches a row from the result set.
- *
- * @param int $style OPTIONAL Fetch mode for this fetch operation.
- * @param int $cursor OPTIONAL Absolute, relative, or other.
- * @param int $offset OPTIONAL Number for absolute or relative cursors.
- * @return mixed Array, object, or scalar depending on fetch mode.
- * @throws Zend_Db_Statement_Mysqli_Exception
- */
- public function fetch($style = null, $cursor = null, $offset = null)
- {
- if (!$this->_stmt) {
- return false;
- }
- // fetch the next result
- $retval = $this->_stmt->fetch();
- switch ($retval) {
- case null: // end of data
- case false: // error occurred
- $this->_stmt->reset();
- return false;
- default:
- // fallthrough
- }
- // make sure we have a fetch mode
- if ($style === null) {
- $style = $this->_fetchMode;
- }
- // dereference the result values, otherwise things like fetchAll()
- // return the same values for every entry (because of the reference).
- $values = array();
- foreach ($this->_values as $key => $val) {
- $values[] = $val;
- }
- $row = false;
- switch ($style) {
- case Zend_Db::FETCH_NUM:
- $row = $values;
- break;
- case Zend_Db::FETCH_ASSOC:
- $row = array_combine($this->_keys, $values);
- break;
- case Zend_Db::FETCH_BOTH:
- $assoc = array_combine($this->_keys, $values);
- $row = array_merge($values, $assoc);
- break;
- case Zend_Db::FETCH_OBJ:
- $row = (object) array_combine($this->_keys, $values);
- break;
- case Zend_Db::FETCH_BOUND:
- $assoc = array_combine($this->_keys, $values);
- $row = array_merge($values, $assoc);
- return $this->_fetchBound($row);
- break;
- default:
- /**
- * @see Zend_Db_Statement_Mysqli_Exception
- */
- require_once 'Zend/Db/Statement/Mysqli/Exception.php';
- throw new Zend_Db_Statement_Mysqli_Exception("Invalid fetch mode '$style' specified");
- break;
- }
- return $row;
- }
- /**
- * Retrieves the next rowset (result set) for a SQL statement that has
- * multiple result sets. An example is a stored procedure that returns
- * the results of multiple queries.
- *
- * @return bool
- * @throws Zend_Db_Statement_Mysqli_Exception
- */
- public function nextRowset()
- {
- /**
- * @see Zend_Db_Statement_Mysqli_Exception
- */
- require_once 'Zend/Db/Statement/Mysqli/Exception.php';
- throw new Zend_Db_Statement_Mysqli_Exception(__FUNCTION__.'() is not implemented');
- }
- /**
- * Returns the number of rows affected by the execution of the
- * last INSERT, DELETE, or UPDATE statement executed by this
- * statement object.
- *
- * @return int The number of rows affected.
- */
- public function rowCount()
- {
- if (!$this->_adapter) {
- return false;
- }
- $mysqli = $this->_adapter->getConnection();
- return $mysqli->affected_rows;
- }
- }