What will be the output of the following PHP code?

medium📝 Predict Output Q13 of 15

PHP - Variables and Data Types

$Var = 10;
$var = 20;
echo $Var + $var;

A20

B30

C10

DError

Step-by-Step Solution

Solution:

Step 1: Understand variable case sensitivity in PHP
PHP variable names are case-sensitive, so $Var and $var are different variables.
Step 2: Calculate the sum of both variables
$Var is 10 and $var is 20, so their sum is 30.
Final Answer:
30 -> Option B
Quick Check:
Case-sensitive variables sum correctly [OK]

Quick Trick: PHP variables are case-sensitive; $Var and $var differ [OK]

Common Mistakes:

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