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- <?php
- namespace Yansongda\Supports;
- use ArrayAccess;
- use ArrayIterator;
- use Countable;
- use IteratorAggregate;
- use JsonSerializable;
- use Serializable;
- class Collection implements ArrayAccess, Countable, IteratorAggregate, JsonSerializable, Serializable
- {
-
- protected $items = [];
-
- public function __construct(array $items = [])
- {
- foreach ($items as $key => $value) {
- $this->set($key, $value);
- }
- }
-
- public function __toString(): string
- {
- return $this->toJson();
- }
-
- public function __get(string $key)
- {
- return $this->get($key);
- }
-
- public function __set(string $key, $value)
- {
- $this->set($key, $value);
- }
-
- public function __isset(string $key): bool
- {
- return $this->has($key);
- }
-
- public function __unset(string $key)
- {
- $this->forget($key);
- }
-
- public function all(): array
- {
- return $this->items;
- }
-
- public function only(array $keys): array
- {
- $return = [];
- foreach ($keys as $key) {
- $value = $this->get($key);
- if (!is_null($value)) {
- $return[$key] = $value;
- }
- }
- return $return;
- }
-
- public function except($keys)
- {
- $keys = is_array($keys) ? $keys : func_get_args();
- return new static(Arr::except($this->items, $keys));
- }
-
- public function merge($items): array
- {
- foreach ($items as $key => $value) {
- $this->set($key, $value);
- }
- return $this->all();
- }
-
- public function has(string $key): bool
- {
- return !is_null(Arr::get($this->items, $key));
- }
-
- public function first()
- {
- return reset($this->items);
- }
-
- public function last()
- {
- $end = end($this->items);
- reset($this->items);
- return $end;
- }
-
- public function add(string $key, $value)
- {
- Arr::set($this->items, $key, $value);
- }
-
- public function set(string $key, $value)
- {
- Arr::set($this->items, $key, $value);
- }
-
- public function get(?string $key = null, $default = null)
- {
- return Arr::get($this->items, $key, $default);
- }
-
- public function forget(string $key)
- {
- Arr::forget($this->items, $key);
- }
-
- public function toArray(): array
- {
- return $this->all();
- }
-
- public function toJson(int $option = JSON_UNESCAPED_UNICODE): string
- {
- return json_encode($this->all(), $option);
- }
-
- public function jsonSerialize()
- {
- return $this->items;
- }
-
- public function serialize()
- {
- return serialize($this->items);
- }
-
- public function getIterator()
- {
- return new ArrayIterator($this->items);
- }
-
- public function count()
- {
- return count($this->items);
- }
-
- public function unserialize($serialized)
- {
- return $this->items = unserialize($serialized);
- }
-
- public function offsetExists($offset)
- {
- return $this->has($offset);
- }
-
- public function offsetUnset($offset)
- {
- if ($this->offsetExists($offset)) {
- $this->forget($offset);
- }
- }
-
- public function offsetGet($offset)
- {
- return $this->offsetExists($offset) ? $this->get($offset) : null;
- }
-
- public function offsetSet($offset, $value)
- {
- $this->set($offset, $value);
- }
- }
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