PHP - Variables and Data Types
You want to store a user's age in a variable and then increase it by 1. Which PHP code correctly does this?
You want to store a user's age in a variable and then increase it by 1. Which PHP code correctly does this?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Check variable declaration and increment
Variable must start with $, assignment uses =, increment can be done by adding 1.Step 2: Verify each option
$age = 20; $age = $age + 1; echo $age; correctly declares $age, adds 1, and echoes $age. Others miss $ or use invalid syntax.Final Answer:
$age = 20; $age = $age + 1; echo $age; -> Option DQuick Check:
Correct variable use and increment = $age = 20; $age = $age + 1; echo $age; [OK]
Quick Trick: Use $ for variables and += or + for increment [OK]
Common Mistakes:
- Missing $ before variable
- Using := instead of =
- Echoing variable without $
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