[Solved] What will be the output of this PHP code?function multiply(int $x, int $y): int { return $x * $y; } echo multiply(3, '4 apples'); | PHP

PHP - Type Handling

What will be the output of this PHP code?

function multiply(int $x, int $y): int {
    return $x * $y;
}
echo multiply(3, '4 apples');

A12

BTypeError

C3 4 apples

D7

Step-by-Step Solution

Solution:

Step 1: Understand PHP type coercion with int hints
PHP converts string '4 apples' to integer 4 when type hinted as int.
Step 2: Calculate the multiplication
3 * 4 = 12, so the function returns 12 and echoes it.
Final Answer:
12 -> Option A
Quick Check:
String '4 apples' coerced to int 4 = 12 output [OK]

Quick Trick: PHP converts strings starting with numbers to int [OK]

Common Mistakes:

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