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<?php $mock = [ 'foo' => null ]; foreach ($mock as &$item) { $item = 'foo'; } unset($item); $mockCopy = $mock; $mockCopy['foo_copy'] = $mock['foo']; $mockCopy['foo'] = 'bar'; var_dump($mock['foo']);
Output for git.master, git.master_jit, rfc.property-hooks
string(3) "foo"

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