Practice: Type hinting
In the "Type hinting" tutorial, we learned about type hinting for the array and object data types. Before we move on to learning about type hinting for interfaces, let's practice what we learned.
Let's practice what we have just learned
* Press on the "solution button" to see our suggested solution.
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.
Solution:
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.
Scratchpad to practice your coding *This will not be saved nor submitted to us.*
<?php
//Your practice code
//Your practice code
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