Online PHP editor | refs for hkQn8

<?php class MyIterator implements Iterator { private $var = array(1,2,3); private $current; public function __construct($array = null) { if (is_array($array)) { $this->var = $array; } } public function many() { $a = array(88,99,11); return $a[$this->current]; } public function rewind() { echo "rewinding\n"; reset($this->var); } public function current() { $var = current($this->var); $this->current = $var; echo "current: $var\n"; return $var; } public function key() { $var = key($this->var); echo "key: $var\n"; return $var; } public function next() { $var = next($this->var); echo "next: $var\n"; return $var; } public function valid() { $key = key($this->var); $var = ($key !== NULL && $key !== FALSE); echo "valid: $var\n"; return $var; } } class foo extends MyIterator{ public function test(){ return $this->many(); } } $it = new foo(); foreach ($it as $a => $b) { echo $it->many() . PHP_EOL; print "$a: $b\n"; }