What does the null coalescing assignment operator (??=) do?

Choose the correct answer:

A) Assigns null to a variable

B) Assigns a value only if the variable is null

C) Compares two values for null

D) Throws an exception if null

Detailed Explanation

Explanation: The null coalescing assignment operator (??=) assigns the right-hand value only if the left-hand variable is null. It's shorthand for: $var = $var ?? $value;

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What does the null coalescing assignment operator (??=) do?

Choose the correct answer:

Detailed Explanation

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