64 lines
1.6 KiB
PHP
64 lines
1.6 KiB
PHP
<?php
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namespace Libs;
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use Exception;
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use PDO;
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use PDOException;
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/**
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* Database - DuckBrain
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*
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* Class designed to create and return a single PDO instance (database).
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*
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* @author KJ
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* @website https://kj2.me
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* @license MIT
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*/
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class Database extends PDO
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{
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private static array $databases = [];
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/**
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* Private constructor to prevent direct instantiation.
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*/
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private function __construct()
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{
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}
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/**
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* Returns a homogeneous (singleton) instance of the database (PDO).
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*
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* @return PDO
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* @throws Exception If there is an error connecting to the database.
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*/
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public static function getInstance(
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string $type = 'mysql',
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string $host = 'localhost',
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string $name = '',
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string $user = '',
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string $pass = '',
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): PDO {
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$key = $type . '/' . $host . '/' . $name . '/' . $user;
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if (empty(static::$databases[$key])) {
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if ($type == 'sqlite') {
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$dsn = $type . ':' . $name;
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} else {
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$dsn = $type . ':dbname=' . $name . ';host=' . $host;
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}
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try {
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static::$databases[$key] = new PDO($dsn, $user, $pass);
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} catch (PDOException $e) {
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throw new Exception(
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'Error at connect to database: ' . $e->getMessage()
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);
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}
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static::$databases[$key]->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
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static::$databases[$key]->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_ASSOC);
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}
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return static::$databases[$key];
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}
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}
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