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- <?php
- /**
- * CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
- * Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
- *
- * Licensed under The MIT License
- * For full copyright and license information, please see the LICENSE.txt
- * Redistributions of files must retain the above copyright notice.
- *
- * @copyright Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
- * @link https://cakephp.org CakePHP(tm) Project
- * @since 3.0.0
- * @license https://opensource.org/licenses/mit-license.php MIT License
- */
- namespace Cake\Database\Statement;
- use PDO;
- use PDOStatement as Statement;
- /**
- * Decorator for \PDOStatement class mainly used for converting human readable
- * fetch modes into PDO constants.
- */
- class PDOStatement extends StatementDecorator
- {
- /**
- * Constructor
- *
- * @param \PDOStatement|null $statement Original statement to be decorated.
- * @param \Cake\Database\Driver|null $driver Driver instance.
- */
- public function __construct(Statement $statement = null, $driver = null)
- {
- parent::__construct($statement, $driver);
- }
- /**
- * Assign a value to a positional or named variable in prepared query. If using
- * positional variables you need to start with index one, if using named params then
- * just use the name in any order.
- *
- * You can pass PDO compatible constants for binding values with a type or optionally
- * any type name registered in the Type class. Any value will be converted to the valid type
- * representation if needed.
- *
- * It is not allowed to combine positional and named variables in the same statement
- *
- * ### Examples:
- *
- * ```
- * $statement->bindValue(1, 'a title');
- * $statement->bindValue(2, 5, PDO::INT);
- * $statement->bindValue('active', true, 'boolean');
- * $statement->bindValue(5, new \DateTime(), 'date');
- * ```
- *
- * @param string|int $column name or param position to be bound
- * @param mixed $value The value to bind to variable in query
- * @param string|int $type PDO type or name of configured Type class
- * @return void
- */
- public function bindValue($column, $value, $type = 'string')
- {
- if ($type === null) {
- $type = 'string';
- }
- if (!ctype_digit($type)) {
- list($value, $type) = $this->cast($value, $type);
- }
- $this->_statement->bindValue($column, $value, $type);
- }
- /**
- * Returns the next row for the result set after executing this statement.
- * Rows can be fetched to contain columns as names or positions. If no
- * rows are left in result set, this method will return false
- *
- * ### Example:
- *
- * ```
- * $statement = $connection->prepare('SELECT id, title from articles');
- * $statement->execute();
- * print_r($statement->fetch('assoc')); // will show ['id' => 1, 'title' => 'a title']
- * ```
- *
- * @param string $type 'num' for positional columns, assoc for named columns
- * @return array|false Result array containing columns and values or false if no results
- * are left
- */
- public function fetch($type = parent::FETCH_TYPE_NUM)
- {
- if ($type === static::FETCH_TYPE_NUM) {
- return $this->_statement->fetch(PDO::FETCH_NUM);
- }
- if ($type === static::FETCH_TYPE_ASSOC) {
- return $this->_statement->fetch(PDO::FETCH_ASSOC);
- }
- if ($type === static::FETCH_TYPE_OBJ) {
- return $this->_statement->fetch(PDO::FETCH_OBJ);
- }
- return $this->_statement->fetch($type);
- }
- /**
- * Returns an array with all rows resulting from executing this statement
- *
- * ### Example:
- *
- * ```
- * $statement = $connection->prepare('SELECT id, title from articles');
- * $statement->execute();
- * print_r($statement->fetchAll('assoc')); // will show [0 => ['id' => 1, 'title' => 'a title']]
- * ```
- *
- * @param string $type num for fetching columns as positional keys or assoc for column names as keys
- * @return array list of all results from database for this statement
- */
- public function fetchAll($type = parent::FETCH_TYPE_NUM)
- {
- if ($type === static::FETCH_TYPE_NUM) {
- return $this->_statement->fetchAll(PDO::FETCH_NUM);
- }
- if ($type === static::FETCH_TYPE_ASSOC) {
- return $this->_statement->fetchAll(PDO::FETCH_ASSOC);
- }
- if ($type === static::FETCH_TYPE_OBJ) {
- return $this->_statement->fetchAll(PDO::FETCH_OBJ);
- }
- return $this->_statement->fetchAll($type);
- }
- }
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