Online PHP editor | output for 6tZ0i

<?php class MyIterator implements Iterator { public $var = array(); public function pprrint() {echo implode(',',$this->var);} public function __construct($arra) { if (is_array($arra)) { $this->var = $arra; /* echo implode(',',$arra) ;*/} } public function rewind() { echo "rewinding\n"; reset($this->var); } public function current() { $var = current($this->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 = var; echo "valid: $var\n"; return $var; } } $c = array(1,2,3); $it = new MyIterator($c); $it->pprrint(); foreach ($it as $a => $b) { print "$a: $b\n"; } ?>