47 lines
1.1 KiB
PHP
47 lines
1.1 KiB
PHP
<?php
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/**
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* Database - DuckBrain
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*
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* Clase diseñada para crear y devolver una única instancia PDO (database).
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* Depende de manera forzada de que estén definidas las constantes:
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* DB_TYPE, DB_NAME, DB_HOST, DB_USER. DB_PASS
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*
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* @author KJ
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* @website https://kj2.me
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* @licence MIT
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*/
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namespace Libs;
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use PDO;
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use PDOException;
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use Exception;
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class Database extends PDO {
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static private ?PDO $db = null;
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private function __construct() {}
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/**
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* Devuelve una instancia homogénea (singlenton) de la base de datos (PDO).
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*
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* @return PDO
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*/
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static public function getInstance() : PDO {
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if (is_null(self::$db)) {
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$dsn = DB_TYPE.':dbname='.DB_NAME.';host='.DB_HOST;
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try {
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self::$db = new PDO($dsn, DB_USER, DB_PASS);
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} catch (PDOException $e) {
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echo "<pre>";
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throw new Exception(
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'Error at connect to database: ' . $e->getMessage()
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);
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}
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self::$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
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}
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return self::$db;
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}
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}
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?>
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