<?php
class Database
{
private static $database;
private function __construct()
{
// Nothing
}
public static function getInstance()
{
if (!$this->database) {
$this->database = new Database();
}
return $this->database;
}
}
echo 'Hello';
- Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- Hello
preferences:
199.4 ms | 404 KiB | 227 Q