[Solved] What is wrong with this PHP code?function add($a, $b) { return $a + $b; } echo add(5); — Ans: Function call missing one argument | PHP

PHP - Functions

What is wrong with this PHP code?

function add($a, $b) {
    return $a + $b;
}
echo add(5);

AFunction declared incorrectly

BReturn statement missing semicolon

CFunction call missing one argument

DEcho cannot print function return

Step-by-Step Solution

Solution:

Step 1: Check function parameters
The function add expects two arguments: $a and $b.
Step 2: Check function call
Calling add(5) provides only one argument, causing an error.
Final Answer:
Function call missing one argument -> Option C
Quick Check:
Function call must match parameters [OK]

Quick Trick: Match number of arguments to parameters [OK]

Common Mistakes:

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