Online PHP editor | refs for ecRel

<?php namespace Iterators\Classes; class FizzBuzz implements \Iterator { protected $pointer = 0; protected $numbers = []; public function __construct($numbers=[]) { $this->numbers = $numbers; return; } public function current() { $returnValue = ''; $returnValue .= ($this->numbers[$this->pointer]%3===0?'Fizz':''); $returnValue .= ($this->numbers[$this->pointer]%5===0?'Buzz':''); $returnValue = (empty($returnValue)?$this->numbers[$this->pointer]:$returnValue); return $returnValue; } public function key() { return $this->pointer; } public function next() { $this->pointer++; return; } public function rewind() { $this->pointer=0; return; } public function valid() { return isset($this->numbers[$this->pointer]); } }; $fizz = new FizzBuzz(15); echo $fizz->current(); echo $fizz->key(); echo $fizz->next(); echo $fizz-rewind();