What is the output of this PHP code?

medium📝 Predict Output Q4 of 15

PHP - Variables and Data Types

$x = '10';
$y = 5;
$z = $x + $y;
echo gettype($z);

Astring

Bdouble

Cinteger

Dboolean

Step-by-Step Solution

Solution:

Step 1: Analyze addition of string and integer
PHP converts string '10' to integer 10 for addition.
Step 2: Determine result type
Adding integer 10 and 5 results in integer 15, so type is integer.
Final Answer:
integer -> Option C
Quick Check:
Adding string number + int = int result [OK]

Quick Trick: PHP converts numeric strings to numbers in math operations [OK]

Common Mistakes:

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