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<?php class Test { function byRefFunc(&$byRefArg) { static $localRef; $localRef &= $byRefArg; } } $instance = new Test(); $function = new \ReflectionMethod($instance, 'byRefFunc'); $variables = $function->getStaticVariables(); var_dump($variables);
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { ["localRef"]=> NULL }

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