What is the foreach loop and how do I use it?

Can you explain what a foreach loop is?

A foreach loop is a control structure that allows you to iterate over elements in a collection, like an array or a list.

How do I use a foreach loop in PHP?

In PHP, you can use it like this: foreach ($array as $value) { // code to execute }. It iterates through each value in the array.

Can I use foreach with associative arrays?

Yes, you can! For associative arrays, you can use foreach ($array as $key => $value) { // code } to access both keys and values.

What are some common mistakes to avoid with foreach loops?

Common mistakes include modifying the array while iterating or not using the correct syntax, which can lead to errors.