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run code in 300+ PHP versions simultaneously
<?php class ClosureTester { public $string = 'default'; public function foo() { return $this->string; } public function someMethod() { $this->string = 'a'; $self = $this; $closure = function() use (&$self) { return $self->foo(); }; return $closure(); } } $c = new ClosureTester(); var_dump($c->someMethod());

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