What is the output of the following code? function increment ($val) { $val = $val + 1; } $val = 1; increment ($val); echo $val;

The correct answer is A. 1. See the full explanation below for the reasoning.

Functions

Question

What is the output of the following code?
function increment ($val)
{
$val = $val + 1;
}
$val = 1;
increment ($val);
echo $val;

(28 responses)

#pass by value#function scope#variable isolation

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