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<?php |
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/** |
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* Copyright (C) 2022-2023 Rafael San José Tovar <[email protected]> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <https://www.gnu.org/licenses/>. |
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*/ |
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namespace Alxarafe\Database; |
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use Alxarafe\Core\Singletons\Config; |
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use Alxarafe\Core\Singletons\Debug; |
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use Alxarafe\Core\Singletons\Translator; |
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use DebugBar\DebugBarException; |
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use Exception; |
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use mysql_xdevapi\SqlStatementResult; |
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/** |
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* Class DB |
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* |
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* Esta clase proporciona acceso directo a la base de datos. |
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* |
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* @author Rafael San José Tovar <[email protected]> |
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* @version 2022.0721 |
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* |
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*/ |
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abstract class DB |
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{ |
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/** |
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* Motor utilizado, puede ser MySql, MariaDB, PostgreSql o cualquier otro PDO |
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* |
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* @var Engine |
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*/ |
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public static Engine $engine; |
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/** |
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* Instancia de la clase con el código SQL específico del motor. |
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* |
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* @var SqlHelper |
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*/ |
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public static SqlHelper $helper; |
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/** |
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* Prefijo de la base de datos en uso |
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* |
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* @var string |
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*/ |
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public static string $dbPrefix; |
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/** |
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* Nombre de la base de datos en uso |
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* |
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* @var string |
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*/ |
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public static string $dbName; |
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public static $user; |
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public static $username; |
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/** |
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* Establece conexión con una base de datos. |
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* |
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* TODO: La idea en un futuro, es que se pueda establecer conexión con múltiples |
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* bases de datos pasándole el nombre de la conexión. |
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* El problema es, cómo invocar de forma fácil qué conexión queremos. |
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* Si se mantiene como clase abstracta es complicado, lo más fácil sería |
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* creando una instancia para cada conexión, pero no se podría utilizar como |
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* clase abstracta (o ahora mismo, no caigo en cómo hacerlo). |
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* |
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* @param string $db |
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* |
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* @return bool |
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* @throws DebugBarException |
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*/ |
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public static function connectToDatabase(string $db = 'main'): bool |
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{ |
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// TODO: Revisar ésto, porque debe de haber una conexión para cada base de datos según $db |
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if (isset(self::$engine)) { |
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return true; |
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} |
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$dbInfo = Config::getModuleVar('database'); |
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if (!isset($dbInfo[$db])) { |
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Debug::sqlMessage(Translator::trans('empty-database-config', ['%name%' => $db])); |
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return false; |
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} |
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self::$dbPrefix = strtolower($dbInfo[$db]['dbPrefix'] ?? ''); |
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self::$dbName = strtolower($dbInfo[$db]['dbName']); |
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$engineName = $dbInfo[$db]['dbEngineName'] ?? 'PdoMySql'; |
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$helperName = 'Sql' . substr($engineName, 3); |
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Debug::sqlMessage("Using '$engineName' engine."); |
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Debug::sqlMessage("Using '$helperName' SQL helper engine."); |
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$sqlEngine = '\\Alxarafe\\Database\\SqlHelpers\\' . $helperName; |
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$engine = '\\Alxarafe\\Database\\Engines\\' . $engineName; |
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try { |
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self::$helper = new $sqlEngine(); |
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self::$engine = new $engine([ |
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'dbUser' => $dbInfo[$db]['dbUser'], |
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'dbPass' => $dbInfo[$db]['dbPass'], |
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'dbName' => self::$dbName, |
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'dbHost' => $dbInfo[$db]['dbHost'], |
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'dbPort' => $dbInfo[$db]['dbPort'], |
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]); |
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return isset(self::$engine) && self::$engine->connect() && self::$engine->checkConnection(); |
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} catch (Exception $e) { |
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Debug::addException($e); |
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} |
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return false; |
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} |
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/** |
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* Ejecuta una sentencia SQL retornando TRUE si ha tenido éxito |
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* |
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* @author Rafael San José Tovar <[email protected]> |
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* @version 2022.0721 |
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* |
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* @param string $query |
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* @param array $vars |
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* |
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* @return bool |
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*/ |
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public static function exec(string $query, array $vars = []): bool |
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{ |
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return self::$engine->exec($query, $vars); |
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} |
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/** |
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* Ejecuta una sentencia SELECT, retornando false si hay error, o un array |
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* con el resultado de la consulta. |
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* |
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* @author Rafael San José Tovar <[email protected]> |
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* @version 2022.0721 |
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* |
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* @param string $query |
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* @param array $vars |
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* |
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* @return array|false |
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*/ |
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public static function select(string $query, array $vars = []) |
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{ |
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return self::$engine->select($query, $vars); |
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} |
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public static function getIndexes(string $tableName): array |
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{ |
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return self::$helper::getIndexes(DB::$dbPrefix . $tableName); |
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} |
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public static function tableExists(string $tableName) |
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{ |
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return self::$helper->tableExists(self::$dbPrefix . $tableName); |
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} |
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public static function getColumns(string $tableName) |
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{ |
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return self::$helper->getColumns(self::$dbPrefix . $tableName); |
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} |
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public static function createIndex(string $tableName, string $index, array $data): string |
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{ |
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return self::$helper->createIndex(self::$dbPrefix . $tableName, $index, $data); |
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} |
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public static function changeIndex(string $tableName, string $index, array $oldData, array $newData): string |
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{ |
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return self::$helper->changeIndex($tableName, $index, $oldData, $newData); |
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} |
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public static function removeIndex(string $tableName, string $index): string |
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{ |
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return self::$helper->removeIndex(self::$dbPrefix . $tableName, $index); |
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} |
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public static function _yamlFieldToDb(array $data): array |
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{ |
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return self::$helper[$db]::yamlFieldToDb($data); |
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} |
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public static function _dbFieldToSchema(array $data): array |
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{ |
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return self::$helper[$db]::dbFieldToSchema($data); |
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} |
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public static function _dbFieldToYaml(array $data): array |
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{ |
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return self::$helper[$db]::dbFieldToYaml($data); |
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} |
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public static function _normalizeFromDb(array $data) |
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{ |
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$result = self::$helper[$db]::normalizeDbField($data); |
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dump([ |
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'normalizeFromDb', |
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'data' => $data, |
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'result' => $result, |
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]); |
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return $result; |
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} |
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public static function _normalizeFromYaml(array $yamlFields) |
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{ |
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$result = []; |
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foreach ($yamlFields as $field => $yamlField) { |
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$result[$field] = self::$helper[$db]::normalizeYamlField($yamlField); |
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} |
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dump([ |
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'normalizeFromYaml', |
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'data' => $yamlFields, |
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'result' => $result, |
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]); |
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return $result; |
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} |
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public static function _normalize(array $data) |
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{ |
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return self::$helper[$db]->normalizeField($data); |
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} |
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public static function modify(string $tableName, array $oldField, array $newField): string |
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{ |
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return self::$helper->modify(self::$dbPrefix . $tableName, $oldField, $newField); |
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} |
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public static function _getUsername() |
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{ |
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return self::$username; |
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} |
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public static function _connectToDatabaseAndAuth(): bool |
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{ |
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if (!self::connectToDataBase()) { |
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FlashMessages::setError('Database Connection error...'); |
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return false; |
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} |
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if (!isset(self::$user)) { |
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self::$user = new Auth(); |
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self::$username = self::$user->getUser(); |
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if (self::$username === null) { |
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self::$user->login(); |
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} |
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} |
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return true; |
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} |
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} |
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rsanjoseo /
alxarafe
Loading history...
This check compares calls to functions or methods with their respective definitions. If the call has more arguments than are defined, it raises an issue.
If a function is defined several times with a different number of parameters, the check may pick up the wrong definition and report false positives. One codebase where this has been known to happen is Wordpress. Please note the @ignore annotation hint above.