[Solved] What issue arises from this PHP function?function addFive(int $num) { return $num + 'five';} — Ans: Adding an integer to a non-numeric string causes a type error | PHP

PHP - Type Handling

What issue arises from this PHP function?

function addFive(int $num) {
  return $num + 'five';
}

APHP automatically converts 'five' to 5 without issues

BThe function lacks a return type declaration

CThe parameter should be a string, not an integer

DAdding an integer to a non-numeric string causes a type error

Step-by-Step Solution

Solution:

Step 1: Analyze the operation
Adding an integer to a non-numeric string triggers a warning or error.
Step 2: Understand PHP behavior
PHP cannot convert 'five' to a number automatically.
Final Answer:
Adding an integer to a non-numeric string causes a type error -> Option D
Quick Check:
Non-numeric strings can't be used in arithmetic [OK]

Quick Trick: Non-numeric strings cause errors in math [OK]

Common Mistakes:

Master "Type Handling" in PHP

9 interactive learning modes - each teaches the same concept differently

More PHP Quizzes

What issue arises from this PHP function?