Difference between “as $key => $value” and “as $value” in PHP foreach

Question

I have a database call and I\'m trying to figure out what the $key => $value does in a foreach loop.

The reason I ask is because both these

Answer 1

if the array looks like:

• $featured["fruit"] = "orange";
• $featured["fruit"] = "banana";
• $featured["vegetable"] = "carrot";

the $key will hold the type (fruit or vegetable) for each array value (orange, banana or carrot)