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 <?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_Test
  * @subpackage PHPUnit
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 
 /**
  * @see Zend_Db_Statement_Interface
  */
 // require_once "Zend/Db/Statement/Interface.php";
 
 /**
  * Testing Database Statement that acts as a stack to SQL resultsets.
  *
  * @category   Zend
  * @package    Zend_Test
  * @subpackage PHPUnit
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Test_DbStatement implements Zend_Db_Statement_Interface
 {
     /**
      * @var array
      */
     protected $_fetchStack = array();
 
     /**
      * @var int
      */
     protected $_columnCount = 0;
 
     /**
      * @var int
      */
     protected $_rowCount = 0;
 
     /**
      * @var Zend_Db_Profiler_Query
      */
     protected $_queryProfile = null;
 
     /**
      * Create a Select statement which returns the given array of rows.
      *
      * @param array $rows
      * @return Zend_Test_DbStatement
      */
     static public function createSelectStatement(array $rows=array())
     {
         $stmt = new Zend_Test_DbStatement();
         foreach($rows AS $row) {
             $stmt->append($row);
         }
         return $stmt;
     }
 
     /**
      * Create an Insert Statement
      *
      * @param  int $affectedRows
      * @return Zend_Test_DbStatement
      */
     static public function createInsertStatement($affectedRows=0)
     {
         return self::_createRowCountStatement($affectedRows);
     }
 
     /**
      * Create an Delete Statement
      *
      * @param  int $affectedRows
      * @return Zend_Test_DbStatement
      */
     static public function createDeleteStatement($affectedRows=0)
     {
         return self::_createRowCountStatement($affectedRows);
     }
 
     /**
      * Create an Update Statement
      *
      * @param  int $affectedRows
      * @return Zend_Test_DbStatement
      */
     static public function createUpdateStatement($affectedRows=0)
     {
         return self::_createRowCountStatement($affectedRows);
     }
 
     /**
      * Create a Row Count Statement
      *
      * @param  int $affectedRows
      * @return Zend_Test_DbStatement
      */
     static protected function _createRowCountStatement($affectedRows)
     {
         $stmt = new Zend_Test_DbStatement();
         $stmt->setRowCount($affectedRows);
         return $stmt;
     }
 
     /**
      * @param Zend_Db_Profiler_Query $qp
      */
     public function setQueryProfile(Zend_Db_Profiler_Query $qp)
     {
         $this->_queryProfile = $qp;
     }
 
     /**
      * @param int $rowCount
      */
     public function setRowCount($rowCount)
     {
         $this->_rowCount = $rowCount;
     }
 
     /**
      * Append a new row to the fetch stack.
      *
      * @param array $row
      */
     public function append($row)
     {
         $this->_columnCount = count($row);
         $this->_fetchStack[] = $row;
     }
 
     /**
      * 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  $type   OPTIONAL
      * @return bool
      * @throws Zend_Db_Statement_Exception
      */
     public function bindColumn($column, &$param, $type = null)
     {
         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 $options   OPTIONAL Other options.
      * @return bool
      * @throws Zend_Db_Statement_Exception
      */
     public function bindParam($parameter, &$variable, $type = null, $length = null, $options = null)
     {
         if($this->_queryProfile !== null) {
             $this->_queryProfile->bindParam($parameter, $variable);
         }
         return true;
     }
 
     /**
      * 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 $type      OPTIONAL Datatype of the parameter.
      * @return bool
      * @throws Zend_Db_Statement_Exception
      */
     public function bindValue($parameter, $value, $type = null)
     {
         return true;
     }
 
     /**
      * Closes the cursor, allowing the statement to be executed again.
      *
      * @return bool
      * @throws Zend_Db_Statement_Exception
      */
     public function closeCursor()
     {
         return true;
     }
 
     /**
      * 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.
      * @throws Zend_Db_Statement_Exception
      */
     public function columnCount()
     {
         return $this->_columnCount;
     }
 
     /**
      * Retrieves the error code, if any, associated with the last operation on
      * the statement handle.
      *
      * @return string error code.
      * @throws Zend_Db_Statement_Exception
      */
     public function errorCode()
     {
         return false;
     }
 
     /**
      * Retrieves an array of error information, if any, associated with the
      * last operation on the statement handle.
      *
      * @return array
      * @throws Zend_Db_Statement_Exception
      */
     public function errorInfo()
     {
         return false;
     }
 
     /**
      * Executes a prepared statement.
      *
      * @param array $params OPTIONAL Values to bind to parameter placeholders.
      * @return bool
      * @throws Zend_Db_Statement_Exception
      */
     public function execute(array $params = array())
     {
         if($this->_queryProfile !== null) {
             $this->_queryProfile->bindParams($params);
             $this->_queryProfile->end();
         }
         return true;
     }
 
     /**
      * 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 $offset OPTIONAL Number for absolute or relative cursors.
      * @return mixed Array, object, or scalar depending on fetch mode.
      * @throws Zend_Db_Statement_Exception
      */
     public function fetch($style = null, $cursor = null, $offset = null)
     {
         if(count($this->_fetchStack)) {
             $row = array_shift($this->_fetchStack);
             return $row;
         } else {
             return false;
         }
     }
 
     /**
      * Returns an array containing all of the result set rows.
      *
      * @param int $style OPTIONAL Fetch mode.
      * @param int $col   OPTIONAL Column number, if fetch mode is by column.
      * @return array Collection of rows, each in a format by the fetch mode.
      * @throws Zend_Db_Statement_Exception
      */
     public function fetchAll($style = null, $col = null)
     {
         $rows = $this->_fetchStack;
         $this->_fetchStack = array();
 
         return $rows;
     }
 
     /**
      * Returns a single column from the next row of a result set.
      *
      * @param int $col OPTIONAL Position of the column to fetch.
      * @return string
      * @throws Zend_Db_Statement_Exception
      */
     public function fetchColumn($col = 0)
     {
         $row = $this->fetch();
 
         if($row == false) {
             return false;
         } else {
             if(count($row) < $col) {
                 // require_once "Zend/Db/Statement/Exception.php";
                 throw new Zend_Db_Statement_Exception(
                     "Column Position '".$col."' is out of bounds."
                 );
             }
 
             $keys = array_keys($row);
             return $row[$keys[$col]];
         }
     }
 
     /**
      * Fetches the next row and returns it as an object.
      *
      * @param string $class  OPTIONAL Name of the class to create.
      * @param array  $config OPTIONAL Constructor arguments for the class.
      * @return mixed One object instance of the specified class.
      * @throws Zend_Db_Statement_Exception
      */
     public function fetchObject($class = 'stdClass', array $config = array())
     {
         if(!class_exists($class)) {
             throw new Zend_Db_Statement_Exception("Class '".$class."' does not exist!");
         }
 
         $object = new $class();
         $row = $this->fetch();
         foreach($row AS $k => $v) {
             $object->$k = $v;
         }
 
         return $object;
     }
 
     /**
      * Retrieve a statement attribute.
      *
      * @param string $key Attribute name.
      * @return mixed      Attribute value.
      * @throws Zend_Db_Statement_Exception
      */
     public function getAttribute($key)
     {
         return false;
     }
 
     /**
      * 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_Exception
      */
     public function nextRowset()
     {
         return false;
     }
 
     /**
      * 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.
      * @throws Zend_Db_Statement_Exception
      */
     public function rowCount()
     {
         return $this->_rowCount;
     }
 
     /**
      * Set a statement attribute.
      *
      * @param string $key Attribute name.
      * @param mixed  $val Attribute value.
      * @return bool
      * @throws Zend_Db_Statement_Exception
      */
     public function setAttribute($key, $val)
     {
         return true;
     }
 
     /**
      * 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)
     {
         return true;
     }
 }