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200-710 · Question #224
200-710 Question #224: Real Exam Question with Answer & Explanation
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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?Options
- A
null - B
""(empty string) - C
0 - DAll of the above
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