--TEST-- ZE2 iterators and foreach --FILE-- num = 0; $this->obj = $obj; } function rewind() { } function valid() { $more = $this->num < $this->obj->max; echo __METHOD__ . ' = ' .($more ? 'true' : 'false') . "\n"; return $more; } function current() { echo __METHOD__ . "\n"; return $this->num; } function next() { echo __METHOD__ . "\n"; $this->num++; } function key() { echo __METHOD__ . "\n"; switch($this->num) { case 0: return "1st"; case 1: return "2nd"; case 2: return "3rd"; default: return "???"; } } } class c implements IteratorAggregate { public $max = 3; function getIterator() { echo __METHOD__ . "\n"; return new c_iter($this); } } echo "===Array===\n"; $a = array(0,1,2); foreach($a as $v) { echo "array:$v\n"; } echo "===Manual===\n"; $t = new c(); for ($iter = $t->getIterator(); $iter->valid(); $iter->next()) { echo $iter->current() . "\n"; } echo "===foreach/std===\n"; foreach($t as $v) { echo "object:$v\n"; } echo "===foreach/rec===\n"; foreach($t as $v) { foreach($t as $w) { echo "double:$v:$w\n"; } } echo "===foreach/key===\n"; foreach($t as $i => $v) { echo "object:$i=>$v\n"; } print "Done\n"; exit(0); ?> --EXPECT-- ===Array=== array:0 array:1 array:2 ===Manual=== c::getIterator c_iter::__construct c_iter::valid = true c_iter::current 0 c_iter::next c_iter::valid = true c_iter::current 1 c_iter::next c_iter::valid = true c_iter::current 2 c_iter::next c_iter::valid = false ===foreach/std=== c::getIterator c_iter::__construct c_iter::valid = true c_iter::current object:0 c_iter::next c_iter::valid = true c_iter::current object:1 c_iter::next c_iter::valid = true c_iter::current object:2 c_iter::next c_iter::valid = false ===foreach/rec=== c::getIterator c_iter::__construct c_iter::valid = true c_iter::current c::getIterator c_iter::__construct c_iter::valid = true c_iter::current double:0:0 c_iter::next c_iter::valid = true c_iter::current double:0:1 c_iter::next c_iter::valid = true c_iter::current double:0:2 c_iter::next c_iter::valid = false c_iter::next c_iter::valid = true c_iter::current c::getIterator c_iter::__construct c_iter::valid = true c_iter::current double:1:0 c_iter::next c_iter::valid = true c_iter::current double:1:1 c_iter::next c_iter::valid = true c_iter::current double:1:2 c_iter::next c_iter::valid = false c_iter::next c_iter::valid = true c_iter::current c::getIterator c_iter::__construct c_iter::valid = true c_iter::current double:2:0 c_iter::next c_iter::valid = true c_iter::current double:2:1 c_iter::next c_iter::valid = true c_iter::current double:2:2 c_iter::next c_iter::valid = false c_iter::next c_iter::valid = false ===foreach/key=== c::getIterator c_iter::__construct c_iter::valid = true c_iter::current c_iter::key object:1st=>0 c_iter::next c_iter::valid = true c_iter::current c_iter::key object:2nd=>1 c_iter::next c_iter::valid = true c_iter::current c_iter::key object:3rd=>2 c_iter::next c_iter::valid = false Done