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<?php class Test { private $var = ''; function setVar(&$input) { $this->var = &$input; } function getVar() { echo 'Var = ' . $this->var . '<br />'; } } $test = new Test(); $test->setVar($string); $string = 'Hello'; $test->getVar(); $string = 'Goodbye'; $test->getVar();
Output for git.master, git.master_jit, rfc.property-hooks
Var = Hello<br />Var = Goodbye<br />

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