<?php
class MyClass
{
public function __construct($id)
{
if (isset(self::$cache[$id]))
return self::$cache[$id];
// Do expensive setup
self::$cache[$id] = $this;
}
private static $cache = array();
}
$a = new MyClass(1);
$b = new MyClass(1);
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0