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<?php class myIterator implements Iterator { private $position = 0; private $array = array( "firstelement", "secondelement", "lastelement", ); public function __construct() { $this->position = 0; } function rewind() { var_dump(__METHOD__); $this->position = 0; } function current() { var_dump(__METHOD__); return $this->array[$this->position]; } function key() { var_dump(__METHOD__); return $this->position; } function next() { var_dump(__METHOD__); ++$this->position; } function valid() { var_dump(__METHOD__); return isset($this->array[$this->position]); } } $i = new myIterator; foreach ($i as $t) { var_dump($t); }
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Return type of myIterator::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/dUpUs on line 20 Deprecated: Return type of myIterator::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/dUpUs on line 30 Deprecated: Return type of myIterator::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/dUpUs on line 25 Deprecated: Return type of myIterator::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/dUpUs on line 35 Deprecated: Return type of myIterator::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/dUpUs on line 15 string(18) "myIterator::rewind" string(17) "myIterator::valid" string(19) "myIterator::current" string(12) "firstelement" string(16) "myIterator::next" string(17) "myIterator::valid" string(19) "myIterator::current" string(13) "secondelement" string(16) "myIterator::next" string(17) "myIterator::valid" string(19) "myIterator::current" string(11) "lastelement" string(16) "myIterator::next" string(17) "myIterator::valid"

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