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In PHP, the InfiniteIterator class is used to create an iterator that infinitely iterates over another iterator. This can be useful in scenarios where you need to repeat an iterator indefinitely.

Here is an example to demonstrate the usage of the InfiniteIterator class:

php
// Create an array of numbers
$numbers = [1, 2, 3];

// Create an iterator from the array
$iterator = new ArrayIterator($numbers);

// Create an infinite iterator from the original iterator
$infiniteIterator = new InfiniteIterator($iterator);

// Iterate over the infinite iterator
foreach ($infiniteIterator as $number) {
if ($infiniteIterator->getPosition() >= 10) {
break; // Stop iteration after 10 numbers
}
echo $number . " ";
}


In this example, we create an array of numbers and then create an iterator using the ArrayIterator class. We then pass this iterator to the InfiniteIterator class to create an infinite iterator.

We use a foreach loop to iterate over the infinite iterator. Inside the loop, we can access the current number using the $number variable. We can also use the $infiniteIterator->getPosition() method to determine the current position in the infinite iteration.

In the example above, we stop the iteration after 10 numbers to prevent an infinite loop.