PHP - Operators
What will be the output of the following PHP code?
$a = 10;
$a += 5;
$a -= 3;
echo $a;
What will be the output of the following PHP code?
medium📝 Predict Output Q13 of 15
Step-by-Step Solution
Solution:
Step 1: Calculate after first operation
Initially, $a = 10. After$a += 5;, $a becomes 10 + 5 = 15.Step 2: Calculate after second operation
Then$a -= 3;subtracts 3: 15 - 3 = 12.Final Answer:
12 -> Option BQuick Check:
10 + 5 - 3 = 12 [OK]
Quick Trick: Perform operations step-by-step from top to bottom [OK]
Common Mistakes:
- Ignoring the order of operations
- Adding instead of subtracting in second step
- Confusing initial value with final
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