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<?php class A { public $foo = 'bar'; } function doSomething($prop) { \strtoupper($prop); } function doSomethingRef(&$prop) { $prop = \strtoupper($prop); } $a = new A(); doSomething($a->foo); doSomethingRef($a->foo); var_dump($a);
Output for git.master, git.master_jit, rfc.property-hooks
object(A)#1 (1) { ["foo"]=> string(3) "BAR" }

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