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<?php |
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declare(strict_types=1); |
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/* |
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+-----------------------------------------------------------------------------+ |
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| PHPPackage - PDO Wrapper |
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+-----------------------------------------------------------------------------+ |
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| Copyright (c)2018 (http://github.com/phppackage/pdo-wrapper) |
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+-----------------------------------------------------------------------------+ |
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| This source file is subject to MIT License |
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| that is bundled with this package in the file LICENSE. |
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| |
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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 [email protected] so we can send you a copy immediately. |
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+-----------------------------------------------------------------------------+ |
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| Authors: |
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| Lawrence Cherone <[email protected]> |
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+-----------------------------------------------------------------------------+ |
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*/ |
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namespace PHPPackage\PDOWrapper; |
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class Database |
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{ |
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/** |
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* @var \PHPPackage\PDOWrapper\PDO |
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*/ |
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private $pdo; |
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/** |
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* @var array PDO attribute keys. |
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*/ |
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private $attributes = array( |
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'AUTOCOMMIT', 'ERRMODE', 'CASE', 'CLIENT_VERSION', 'CONNECTION_STATUS', |
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'ORACLE_NULLS', 'PERSISTENT', 'PREFETCH', 'SERVER_INFO', 'SERVER_VERSION', |
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'TIMEOUT', 'DRIVER_NAME' |
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); |
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/** |
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* |
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*/ |
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public function __construct(PDO $pdo) |
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{ |
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$this->pdo = $pdo; |
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} |
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/** |
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* Enumarate PDO attributes |
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* |
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* @param string $key Pick out a attribute by key |
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* @return mixed |
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*/ |
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public function info(string $key = null) |
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{ |
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$return = []; |
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foreach ($this->attributes as $value) { |
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try { |
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$return['PDO::ATTR_'.$value] = $this->pdo->getAttribute(constant('PDO::ATTR_'.$value)); |
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} catch (\PDOException $e) { |
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$return['PDO::ATTR_'.$value] = null; |
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} |
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} |
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return (!is_null($key) && isset($return[$key])) ? $return[$key] : $return; |
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} |
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/** |
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* Get database name from dsn |
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* |
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* @throws RuntimeException |
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* @return string |
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*/ |
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public function name(string $dsn): string |
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{ |
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// match database from dsn & set working vars |
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if (!preg_match('/dbname=(\w+);/', $dsn, $results)) { |
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throw new \RuntimeException('Could not match database name from dsn'); |
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} |
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return $results[1]; |
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} |
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/** |
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* Create database |
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* |
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* @return bool |
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*/ |
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public function create(string $name, $username, $password): bool |
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{ |
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if (!in_array($name, $this->databases())) { |
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return (bool) $this->pdo->exec(" |
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CREATE DATABASE `$name`; |
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CREATE USER '{$username}'@'%' IDENTIFIED BY '{$password}'; |
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GRANT ALL ON `$name`.* TO '{$username}'@'%'; |
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FLUSH PRIVILEGES; |
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"); |
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} |
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return false; |
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} |
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/** |
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* Returns an array of databases |
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* @return mixed |
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*/ |
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public function databases(): array |
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{ |
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$stmt = $this->pdo->query("SHOW DATABASES"); |
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$result = []; |
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while ($row = $stmt->fetchColumn(0)) { |
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$result[] = $row; |
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} |
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return $result; |
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} |
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/** |
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* Returns an array of tables |
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* @return array |
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*/ |
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public function tables(): array |
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{ |
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$stmt = $this->pdo->query("SHOW TABLES"); |
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$result = []; |
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while ($row = $stmt->fetchColumn(0)) { |
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$result[] = $row; |
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} |
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return $result; |
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} |
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} |
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phppackage /
pdo-wrapper
