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<?php class Foo { public $bar = ""; } $fooArr = [new Foo()]; function modifiesLocallyClonedFoo($fooArr) { $fooArr[0] = clone $fooArr[0]; $fooArr[0]->bar = "bar"; } modifiesLocallyClonedFoo($fooArr); var_dump($fooArr[0]); // Creating a reference to an array item changes the way the array behaves?!?!?!? $bar = &$fooArr[0]; modifiesLocallyClonedFoo($fooArr); var_dump($fooArr[0]);
Output for git.master, git.master_jit, rfc.property-hooks
object(Foo)#1 (1) { ["bar"]=> string(0) "" } object(Foo)#2 (1) { ["bar"]=> string(3) "bar" }

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