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<?php |
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declare(strict_types=1); |
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namespace Spatie\DataTransferObject; |
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use Iterator; |
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use Countable; |
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use ArrayAccess; |
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abstract class DataTransferObjectCollection implements |
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ArrayAccess, |
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Iterator, |
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Countable |
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{ |
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/** @var array */ |
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protected $collection; |
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/** @var int */ |
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protected $position = 0; |
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public function __construct(array $collection = []) |
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{ |
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$this->collection = $collection; |
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} |
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public function current() |
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{ |
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return $this->collection[$this->position]; |
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} |
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public function offsetGet($offset) |
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{ |
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return $this->collection[$offset] ?? null; |
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} |
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public function offsetSet($offset, $value) |
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{ |
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if (is_null($offset)) { |
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$this->collection[] = $value; |
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} else { |
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$this->collection[$offset] = $value; |
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} |
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} |
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public function offsetExists($offset): bool |
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{ |
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return array_key_exists($offset, $this->collection); |
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} |
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public function offsetUnset($offset) |
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{ |
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unset($this->collection[$offset]); |
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} |
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public function next() |
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{ |
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$this->position++; |
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} |
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public function key(): int |
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{ |
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return $this->position; |
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} |
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public function valid(): bool |
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{ |
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return array_key_exists($this->position, $this->collection); |
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} |
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public function rewind() |
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{ |
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$this->position = 0; |
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} |
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public function toArray(): array |
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{ |
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$collection = $this->collection; |
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foreach ($collection as $key => $item) { |
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if ( |
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! $item instanceof DataTransferObject |
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&& ! $item instanceof DataTransferObjectCollection |
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) { |
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continue; |
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} |
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$collection[$key] = $item->toArray(); |
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} |
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return $collection; |
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} |
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public function items(): array |
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{ |
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return $this->collection; |
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} |
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public function count(): int |
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{ |
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return count($this->collection); |
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} |
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} |
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spatie /
data-transfer-object
