PHP - Operators
You want to check if a variable
$num is between 10 and 20 inclusive using logical operators. Which condition is correct?You want to check if a variable $num is between 10 and 20 inclusive using logical operators. Which condition is correct?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the range condition
To check if $num is between 10 and 20 inclusive, it must be >= 10 and <= 20.Step 2: Analyze each option
$num >= 10 && $num <= 20 correctly uses AND with inclusive bounds; others use OR or exclusive bounds.Final Answer:
$num >= 10 && $num <= 20 -> Option AQuick Check:
Range check uses AND with inclusive limits [OK]
Quick Trick: Use AND to combine range conditions [OK]
Common Mistakes:
- Using OR instead of AND
- Using exclusive > or < instead of >= or <=
- Mixing conditions incorrectly
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