What is the purpose of the foreach loop?

The purpose of the foreach loop in PHP is to iterate over each element in an array or object. It simplifies the process of traversing collections of data, allowing developers to access the value of each element without the need for a counter or an explicit iterator. This loop is designed to work specifically with arrays and objects, making it a powerful tool for processing all elements in these data structures.

When using the foreach loop, it allows for clean and readable code, which improves maintainability. For example, you can easily perform operations on each element, such as displaying values or applying transformations, without worrying about array indices. This ease of use is what makes the foreach loop a preferred method for looping through arrays and objects in PHP scripts.

The other options do not accurately reflect the purpose of the foreach loop. While creating a new array, filtering elements, or reversing the order of array elements can be achieved with different approaches or functions in PHP, they are not tasks that the foreach loop is specifically designed to carry out. The primary function of foreach is to iterate, making it a fundamental construct for handling collections within PHP programming.