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<?php class MyIterator implements Iterator { private $var = array(); public function __construct($array) { 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; } } $values = array(1,2,3); $it = new MyIterator($values); class MyCollection implements IteratorAggregate { private $var = array(); private $count = 0; public function __construct($array) { if (is_array($array)) { $this->var = $array; } } // Required definition of interface IteratorAggregate public function getIterator() { return new MyIterator($this->var); } public function add($value) { $this->items[$this->count++] = $value; } } $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/8LCtC 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/8LCtC on line 33 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/8LCtC on line 26 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/8LCtC on line 40 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/8LCtC 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/8LCtC on line 67 Fatal error: Uncaught ArgumentCountError: Too few arguments to function MyCollection::__construct(), 0 passed in /in/8LCtC on line 76 and exactly 1 expected in /in/8LCtC:60 Stack trace: #0 /in/8LCtC(76): MyCollection->__construct() #1 {main} thrown in /in/8LCtC on line 60
Process exited with code 255.

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