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run code in 200+ php & hhvm versions
Bugs & Features
<?php class Foo { public $ref; public function &getRef() { return $this->ref; } public function test() { $this->ref = 123; $local = $this->getRef(); $this->ref = 456; echo $local; } } (new Foo)->test();
Output for 5.6.30, hhvm-3.15.4 - 3.22.0, 7.0.0 - 7.3.0rc3
123