PHP - Conditional Statements
What value does the null coalescing operator
?? return if the left side is null?What value does the null coalescing operator ?? return if the left side is null?
easy📝 Conceptual Q1 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the null coalescing operator
The operator??returns the left operand if it is not null; otherwise, it returns the right operand.Step 2: Apply to the given scenario
If the left side isnull, the operator returns the right side value.Final Answer:
The value on the right side -> Option CQuick Check:
Null coalescing returns right value if left is null [OK]
Quick Trick: If left is null, ?? returns right value [OK]
Common Mistakes:
- Thinking it returns null
- Expecting an error
- Confusing with OR operator
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