Given the following PHP function: `` function doSomething(?string $s) { // ... } `` Which of the following values for the $s parameter do NOT yield a type error when calling the doSomething()…

The correct answer is B. `""` (empty string). See the full explanation below for the reasoning.

Functions

Question

Given the following PHP function:

function doSomething(?string $s) {
 // ...
}

Which of the following values for the $s parameter do NOT yield a type error when calling the doSomething() function?

(45 responses)

#nullable types#type hints#type coercion#function parameters

No community discussion yet for this question.