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200-710 · Question #134

200-710 Question #134: Real Exam Question with Answer & Explanation

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Question

Given the following code, what is correct?
function f(stdClass &$x = NULL) { $x = 42; }
$z = new stdClass;
f($z);
var_dump($z);

Options

  • AError: Typehints cannot be NULL
  • BError: Typehints cannot be references
  • CResult is NULL
  • DResult is object of type stdClass
  • EResult is 42

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