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<?php |
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namespace FFMVC\Helpers; |
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/** |
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* Db Helper Class |
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* |
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* @package helpers |
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* @author Vijay Mahrra <[email protected]> |
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* @copyright (c) Copyright 2016 Vijay Mahrra |
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* @license GPLv3 (http://www.gnu.org/licenses/gpl-3.0.html) |
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*/ |
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class DB extends \Prefab |
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{ |
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/** |
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* Parse a http-style dsn and return parts as an array |
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* |
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* @param string $httpDSN http-style dsn, e.g mysql://root:[email protected]:3306/development_db |
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* @return array string of http dsn parameters, e.g. |
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* { |
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* ["driver"]=> string(5) "mysql" |
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* ["scheme"] => string(5) "mysql" |
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* ["host"]=> string(9) "127.0.0.1" |
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* ["port"]=> int(3306) |
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* ["user"]=> string(4) "root" |
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* ["pass"]=> string(4) "root" |
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* ["name"]=> string(14) "development_db" |
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* ["path"]=> string(14) "development_db" |
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* } |
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* @see http://php.net/parse_url |
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*/ |
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public static function parseHttpDsn(string $httpDSN): array |
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{ |
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$m = parse_url($httpDSN); |
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if (false == $m) { |
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throw new \FFMVC\InvalidArgumentException('Invalid DSN setting'); |
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} |
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$m['path'] = substr($m['path'], 1); |
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$m['name'] = $m['path']; |
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$m['port'] = empty($m['port']) ? 3306 : (int) $m['port']; |
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$m['driver'] = $m['scheme']; |
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return $m; |
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} |
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/** |
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* Return an f3 (pdo) dsn based on config params OR existing dsn param if set |
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* |
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* @param array $config e.g. |
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* { |
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* ["driver"]=> string(5) "mysql" |
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* ["host"]=> string(9) "127.0.0.1" |
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* ["port"]=> int(3306) |
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* ["name"]=> string(14) "development_db" |
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* } |
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* @return string $dsn e.g. mysql:host=127.0.0.1;port=3306;dbname=development_db |
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* @see http://php.net/manual/en/class.pdo.php |
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*/ |
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public static function createDbDsn(array $config): string |
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{ |
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if (array_key_exists('dsn_http', $config)) { |
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$config = array_merge($config, self::parseHttpDsn($config['dsn_http'])); |
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} |
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if (array_key_exists('dsn', $config)) { |
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return $config['dsn']; |
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} else { |
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return sprintf('%s:host=%s;port=%d;dbname=%s', |
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$config['driver'], $config['host'], $config['port'], $config['name'] |
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); |
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} |
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} |
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/** |
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* Return a new \DB\SQL object from the dsn parameters |
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* |
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* @param string $dsn e.g. mysql:host=127.0.0.1;port=3306;dbname=development_db |
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* @param string $user |
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* @param string $pass |
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* @param array $options options to PDO |
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* @link https://fatfreeframework.com/sql |
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* @see http://php.net/manual/en/class.pdo.php |
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*/ |
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public static function &newDsnDb(string $dsn, string $user, string $pass, array $options = []): \DB\SQL |
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{ |
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$db = new \DB\SQL( |
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$dsn, |
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$user, |
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$pass, |
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array_key_exists('options', $options) ? [] : [\PDO::ATTR_ERRMODE => \PDO::ERRMODE_EXCEPTION] |
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); |
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return $db; |
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} |
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/** |
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* Return a new \DB\SQL object from the given parameters |
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* |
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* @param string|array http dsn string or arary params params for connection |
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* Requires: |
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* { |
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* ["driver"]=> string(5) "mysql" |
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* ["host"]=> string(9) "127.0.0.1" |
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* ["port"]=> int(3306) |
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* ["user"]=> string(4) "root" |
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* ["pass"]=> string(4) "root" |
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* ["name"]=> string(14) "development_db" |
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* } |
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* OR |
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* PDO dsn and and username, password |
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* @link https://fatfreeframework.com/sql |
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* @see http://php.net/manual/en/class.pdo.php |
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*/ |
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public static function &newDb($params): \DB\SQL |
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{ |
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if (is_string($params)) { |
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$params = self::parseHttpDsn($params); |
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} |
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if (array_key_exists('dsn', $params)) { |
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$dsn = $params['dsn']; |
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} else { |
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$dsn = self::createDbDsn($params); |
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} |
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return self::newDsnDb($dsn, $params['user'], $params['pass']); |
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} |
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} |
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vijinho /
FFMVC
