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<?php |
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declare(strict_types=1); |
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namespace BinaryCube\CarrotMQ\Support; |
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use Countable; |
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use ArrayAccess; |
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use Traversable; |
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use ArrayIterator; |
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use IteratorAggregate; |
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use function count; |
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use function is_int; |
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use function is_array; |
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use function is_string; |
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use function array_keys; |
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use function array_shift; |
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use function array_values; |
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use function array_unshift; |
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use function func_get_args; |
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use function array_key_exists; |
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use function iterator_to_array; |
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use function forward_static_call_array; |
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/** |
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* Class Collection |
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*/ |
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class Collection implements ArrayAccess, Countable, IteratorAggregate |
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{ |
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/** |
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* @var array |
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*/ |
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protected $items = []; |
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/** |
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* @param array $items |
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* |
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* @return static |
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*/ |
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public static function make(array $items = []): self |
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{ |
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return (new static($items)); |
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} |
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/** |
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* Constructor. |
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* |
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* @param array $items |
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*/ |
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public function __construct(array $items = []) |
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{ |
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$this->items = $this->getArrayableItems($items); |
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} |
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/** |
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* Results array of items from Collection. |
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* |
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* @param mixed $items |
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* |
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* @return array |
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*/ |
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protected function getArrayableItems($items) |
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{ |
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$arr = $items; |
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if (is_array($items)) { |
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return $items; |
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} elseif ($items instanceof Collection) { |
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$arr = $items->all(); |
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} elseif ($items instanceof Traversable) { |
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$arr = iterator_to_array($items); |
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} |
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return static::mergeWith([], (array) $arr); |
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} |
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/** |
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* @return array |
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*/ |
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public function all(): array |
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{ |
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return $this->items; |
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} |
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/** |
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* @return static |
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*/ |
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public function keys() |
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{ |
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return new static(array_keys($this->items)); |
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} |
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/** |
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* Reset the keys on the underlying array. |
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* |
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* @return static |
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*/ |
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public function values() |
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{ |
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return new static(array_values($this->items)); |
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} |
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/** |
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* @param mixed $values |
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* |
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* @return $this |
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*/ |
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public function add($values): self |
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{ |
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$assoc = self::isAssociative($this->items); |
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foreach ($values as $key => $value) { |
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$this->offsetSet($assoc ? $key : null, $value); |
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} |
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return $this; |
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} |
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/** |
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* @param string|null $key |
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* @param mixed $value |
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* |
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* @return $this |
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*/ |
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public function put(?string $key, $value): self |
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{ |
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$this->offsetSet($key, $value); |
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return $this; |
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} |
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/** |
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* @param mixed $key |
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* @param mixed $default |
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* |
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* @return mixed |
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*/ |
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public function get($key, $default = null) |
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{ |
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if ($this->offsetExists($key)) { |
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return $this->offsetGet($key); |
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} |
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return $default; |
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} |
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/** |
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* @param string $id |
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* @param null|mixed $default |
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* |
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* @return mixed|null |
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*/ |
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public function getIfSet(string $id, $default = null) |
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{ |
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if ($this->has($id)) { |
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return $this->items[$id]; |
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} |
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return $default; |
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} |
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/** |
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* @param array $items |
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* |
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* @return $this |
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*/ |
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public function overwrite(array $items): self |
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{ |
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$this->items = $this->getArrayableItems($items); |
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return $this; |
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} |
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/** |
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* Delete the given key or keys. |
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* |
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* @param integer|string|array $keys |
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* |
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* @return $this |
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*/ |
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public function forget($keys): self |
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{ |
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$this->offsetUnset($keys); |
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return $this; |
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} |
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/** |
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* If each array has an element with the same string key value, the latter |
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* will overwrite the former (different from array_merge_recursive). |
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* Recursive merging will be conducted if both arrays have an element of array |
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* type and are having the same key. |
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* For integer-keyed elements, the elements from the latter array will |
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* be appended to the former array. |
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* |
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* @param array $a array to be merged from. You can specify additional |
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* arrays via second argument, third argument, fourth argument etc. |
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* |
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* @return $this |
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*/ |
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public function merge(array $a): self |
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{ |
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$args = $this->getArrayableItems(func_get_args()); |
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array_unshift($args, $this->items); |
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$this->items = forward_static_call_array([static::class, 'mergeWith'], $args); |
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return $this; |
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} |
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/** |
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* Determine if an item exists in the collection by key. |
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* |
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* @param string|array $key |
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* |
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* @return bool |
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*/ |
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public function has($key): bool |
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{ |
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$keys = (array) $key; |
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foreach ($keys as $value) { |
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if (! $this->offsetExists($value)) { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* @return int |
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*/ |
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public function count(): int |
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{ |
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return count($this->items); |
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} |
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/** |
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* Determine if the collection is empty or not. |
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* |
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* @return bool |
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*/ |
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public function isEmpty(): bool |
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{ |
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return empty($this->items); |
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} |
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/** |
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* Determine if the collection is not empty. |
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* |
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* @return bool |
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*/ |
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public function isNotEmpty(): bool |
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{ |
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return ! $this->isEmpty(); |
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} |
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/** |
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* @return $this |
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*/ |
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public function clear(): self |
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{ |
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$this->items = []; |
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return $this; |
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} |
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/** |
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* Determine if an item exists at an offset. |
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* |
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* @param mixed $key |
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* |
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* @return bool |
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*/ |
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public function offsetExists($key): bool |
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{ |
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return ( |
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isset($this->items[$key]) |
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|| array_key_exists($key, $this->items) |
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); |
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} |
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/** |
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* @param mixed $key |
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* |
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* @return mixed|void |
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*/ |
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public function offsetGet($key) |
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{ |
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return $this->items[$key]; |
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} |
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/** |
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* Set the item at a given offset. |
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* |
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* @param mixed $key |
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* @param mixed $value |
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* |
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* @return void |
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*/ |
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public function offsetSet($key, $value) |
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{ |
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if (! isset($key)) { |
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$this->items[] = $value; |
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return; |
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} |
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$this->items[$key] = $value; |
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} |
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/** |
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* Delete the given key or keys. |
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* |
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* @param $keys |
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* |
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* @return void |
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*/ |
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public function offsetUnset($keys) |
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{ |
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$keys = (array) $keys; |
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foreach ($keys as $key) { |
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if ($this->offsetExists($key)) { |
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unset($this->items[$key]); |
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} |
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} |
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} |
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/** |
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* @return ArrayIterator |
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*/ |
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public function getIterator(): ArrayIterator |
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{ |
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return new ArrayIterator($this->all()); |
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} |
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/** |
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* Returns a value indicating whether the given array is an associative array. |
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* |
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* An array is associative if all its keys are strings. If `$allStrings` is false, |
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* then an array will be treated as associative if at least one of its keys is a string. |
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* |
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* Note that an empty array will NOT be considered associative. |
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* |
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* @param array $array the array being checked |
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* @param bool $allStrings whether the array keys must be all strings in order for |
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* the array to be treated as associative. |
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* |
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* @return bool whether the array is associative |
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*/ |
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protected static function isAssociative(array $array, bool $allStrings = true) |
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{ |
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if (! is_array($array) || empty($array)) { |
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return false; |
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} |
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if ($allStrings) { |
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foreach ($array as $key => $value) { |
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if (! is_string($key)) { |
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return false; |
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} |
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} |
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return true; |
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} |
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foreach ($array as $key => $value) { |
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if (is_string($key)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* @param array $a |
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* @param array $b |
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* |
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* @return array|mixed |
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*/ |
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protected static function mergeWith(array $a, array $b) |
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{ |
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$args = func_get_args(); |
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$res = array_shift($args); |
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while (! empty($args)) { |
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foreach (array_shift($args) as $k => $v) { |
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if (is_int($k)) { |
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if (array_key_exists($k, $res)) { |
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$res[] = $v; |
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} else { |
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$res[$k] = $v; |
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} |
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} elseif (is_array($v) && isset($res[$k]) && is_array($res[$k])) { |
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$res[$k] = static::mergeWith($res[$k], $v); |
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} else { |
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$res[$k] = $v; |
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} |
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} |
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} |
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return $res; |
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} |
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} |
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