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<?php class myIterator implements Iterator { private $position = 0; private $array = array( "firstelement", "secondelement", "lastelement", ); public function __construct() { $this->position = 0; } public function rewind(): void { var_dump(__METHOD__); $this->position = 0; } #[\ReturnTypeWillChange] public function current() { var_dump(__METHOD__); return $this->array[$this->position]; } #[\ReturnTypeWillChange] public function key() { var_dump(__METHOD__); return $this->position; } public function next(): void { var_dump(__METHOD__); ++$this->position; } public function valid(): bool { var_dump(__METHOD__); return isset($this->array[$this->position]); } } $it = new myIterator; foreach($it as $key => $value) { var_dump($key, $value); echo "\n"; } ?>
Output for git.master, git.master_jit, rfc.property-hooks
string(18) "myIterator::rewind" string(17) "myIterator::valid" string(19) "myIterator::current" string(15) "myIterator::key" int(0) string(12) "firstelement" string(16) "myIterator::next" string(17) "myIterator::valid" string(19) "myIterator::current" string(15) "myIterator::key" int(1) string(13) "secondelement" string(16) "myIterator::next" string(17) "myIterator::valid" string(19) "myIterator::current" string(15) "myIterator::key" int(2) string(11) "lastelement" string(16) "myIterator::next" string(17) "myIterator::valid"

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