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<?php class StatefulAdderFactory { private $x = 1; function getAdder() { return new class($this->x) { function add($y) { $this->x += $y; return $this->x; } }; } } $saf = new StatefulAdderFactory(); $adder = $saf->getAdder(); var_dump($adder->add(42)); var_dump($adder->add(21));
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Creation of dynamic property class@anonymous::$x is deprecated in /in/N4nc9 on line 9 Warning: Undefined property: class@anonymous::$x in /in/N4nc9 on line 9 int(42) int(63)

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