<?php class MyClass { private $pdo; private static $instance; private function __construct() { $this->pdo = new PDO(/* params here */); } public static function getInstance() { if (null === self::$instance) { $self::instance = new self(); } return self::$Instance; } /** * Just an example method to show * how to interact with the PDO instance */ public function queryAndFetch($query) { $stmt = $this->pdo->query($query); return $stmt->fetchAll(PDO::FETCH_ASSOC); } }
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