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@ 2013-11-12T18:14:56Z

<?php

class Foo {
    public function __construct() { $this->id = rand(0,10); }
}

class Bar {
    public function getFoo() {
        static $instance;
        if (!$instance) {
            $instance = new Foo();
        }
        return $instance;
    }
}


$d = new Bar();

var_dump($d->getFoo());
var_dump($d->getFoo());

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
rand: documentation ( source)

preferences:dark modelive preview

29.63 ms | 402 KiB | 5 Q