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Construct a filterIterator Constructs a new FilterIterator, which consists of a passed in iterator with filters applied to it.
Table of Contents FilterIterator::accept — Check whether the current element of the iterator is acceptable FilterIterator::__construct — Construct a filterIterator FilterIterator::current — Get the current element value FilterIterator::getInnerIterator — Get the inner iterator FilterIterator::key — Get the current key
Constructs a new FilterIterator, which consists of a passed in iterator with filters applied to it.
PHP Manual Introduction This abstract iterator filters out unwanted values. This class should be extended to implement custom iterator filters. The FilterIterator::accept () must be implemented in the subclass.
May 21, 2025 · By using iterators, developers can create flexible, reusable iteration patterns that work seamlessly with PHP's foreach construct while maintaining clean separation of concerns. The Iterator interface At the core of PHP's iteration system is the Iterator interface, which requires implementing five methods: current, key, next, rewind, and valid.
Simple usage example of `FilterIterator::__construct ()`. The FilterIterator::__construct function is used to create a new FilterIterator object. The FilterIterator is an abstract class that allows you to iterate over another iterator while applying specified filters to manipulate or restrict the elements returned.
The FilterIterator class Introduction ¶ This abstract iterator filters out unwanted values. This class should be extended to implement custom iterator filters. The FilterIterator::accept () must be implemented in the subclass.
