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<?php class MyIterator implements Iterator { public $var = array(1,2,3); public function __construct($array) { $var = array(1,2,3); if (is_array($array)) { $this->var = $array; } } public function rewind() { echo "rewinding\n"; reset($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); $var = ($key !== NULL && $key !== FALSE); echo "valid: $var\n"; return $var; } } class MyCollection implements IteratorAggregate { private $count = 0; /* public function __construct($array) { $var = array(1,2,3); if (is_array($array)) { $this->var = $array; } } */ // Required definition of interface IteratorAggregate public function getIterator() { return new MyIterator('var'); } public function add($value) { $this->var[$this->count++] = $value; } } /*$values = array('value 1','value 2','value 3');*/ $coll = new Mycollection(); $coll->add('value 1'); $coll->add('value 2'); $coll->add('value 3'); foreach ($coll as $key => $val) { echo "key/value: [$key -> $val]\n\n"; } ?>
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Return type of MyIterator::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/VkFGS on line 19 Deprecated: Return type of MyIterator::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/VkFGS on line 35 Deprecated: Return type of MyIterator::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/VkFGS on line 28 Deprecated: Return type of MyIterator::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/VkFGS on line 41 Deprecated: Return type of MyIterator::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/VkFGS on line 13 Deprecated: Return type of MyCollection::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/VkFGS on line 64 Deprecated: Creation of dynamic property MyCollection::$var is deprecated in /in/VkFGS on line 70 rewinding valid: 1 current: 1 key: 0 key/value: [0 -> 1] next: 2 valid: 1 current: 2 key: 1 key/value: [1 -> 2] next: 3 valid: 1 current: 3 key: 2 key/value: [2 -> 3] next: valid:

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