The RecursiveIteratorIterator is a versatile class in PHP that is used to traverse a nested structure of data. One of the methods available on this class is getSubIterator, which retrieves the iterator corresponding to the current depth of the recursion.
For example, consider a nested array of colors and their shades:
To output all the shades of each color using RecursiveIteratorIterator:
$it = new RecursiveIteratorIterator(new RecursiveArrayIterator($colors)); foreach ($it as $key => $val) { if (!$it->getSubIterator()->hasChildren()) { echo "$val\n"; } }
This code iterates over each element in the nested array, checking at each level if we have gone deeper into the structure. If not, we output the shade of the color.
This functionality is part of PHP's standard library, specifically the SPL (Standard PHP Library).
PHP RecursiveIteratorIterator::getSubIterator - 30 examples found. These are the top rated real world PHP examples of RecursiveIteratorIterator::getSubIterator extracted from open source projects. You can rate examples to help us improve the quality of examples.