PracticeType hinting

Let's practice what we have just learned

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Which data types can be declared with type hinting?

  • A Booleans, integers, and strings
  • B Arrays, objects, and interfaces
  • C Type hinting for arrays and objects is supported in both PHP5 and 7, while scalar type hinting (for integers, floats, strings, and booleans) is only supported in PHP7.

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