[Solved] What is wrong with this PHP code?function sayHello() { echo "Hello"; } sayhello(); — Ans: No error, code runs fine | PHP

PHP - Functions

What is wrong with this PHP code?

function sayHello() {
  echo "Hello";
}
sayhello();

AFunction names are case-sensitive, so sayhello() is undefined

BMissing semicolon after function call

CFunction cannot use echo inside

DNo error, code runs fine

Step-by-Step Solution

Solution:

Step 1: Check PHP function name rules
PHP function names are case-insensitive.
Step 2: Verify the function call
The function is defined as sayHello() but called as sayhello(), which works because of case-insensitivity, so no error.
Final Answer:
No error, code runs fine -> Option D
Quick Check:
PHP functions case-insensitive = A [OK]

Quick Trick: PHP function names are case-insensitive [OK]

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