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<?php |
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namespace Sergiors\Functional; |
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/** |
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* @author Sérgio Rafael Siqueira <[email protected]> |
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*/ |
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class Collection implements \ArrayAccess, \IteratorAggregate, \Countable |
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{ |
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* @var array |
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*/ |
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private $ls; |
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/** |
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* @param array $ls |
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*/ |
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public function __construct(array $ls) |
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{ |
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$this->ls = $ls; |
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} |
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/** |
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* @param \Closure $fn |
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* |
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* @return Collection |
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*/ |
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public function filter(\Closure $fn) |
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{ |
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return new self(filter($fn, $this->ls)); |
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} |
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/** |
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* @param \Closure $fn |
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* |
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* @return Collection |
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*/ |
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public function map(\Closure $fn) |
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{ |
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return new self(map($fn, $this->ls)); |
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} |
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/** |
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* @param \Closure $fn |
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* |
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* @return Collection |
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*/ |
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public function each(\Closure $fn) |
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{ |
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return new self(each($fn, $this->ls)); |
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} |
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/** |
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* @param \Closure $fn |
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* |
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* @return mixed |
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*/ |
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public function reduce(\Closure $fn) |
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{ |
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return reduce($fn, $this->ls); |
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} |
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/** |
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* @param mixed $value |
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* |
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* @return Collection |
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*/ |
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public function prepend($value) |
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{ |
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return new self(prepend($value, $this->ls)); |
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} |
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/** |
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* @param mixed $value |
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* |
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* @return Collection |
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*/ |
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public function append($value) |
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{ |
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return new self(append($value, $this->ls)); |
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} |
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/** |
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* @return int |
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*/ |
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public function count() |
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{ |
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return count($this->ls); |
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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() |
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{ |
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return new \ArrayIterator($this->ls); |
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} |
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/** |
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* @return array |
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*/ |
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public function toArray() |
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{ |
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return $this->ls; |
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} |
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/** |
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* @param mixed $offset |
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* |
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* @return bool |
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*/ |
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public function offsetExists($offset) |
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{ |
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return has($offset, $this->ls); |
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} |
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/** |
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* @param mixed $offset |
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* |
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* @return mixed |
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*/ |
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public function offsetGet($offset) |
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{ |
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return prop($offset, $this->ls) ?: null; |
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} |
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/** |
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* @param mixed $offset |
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* |
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* @param mixed $value |
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*/ |
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public function offsetSet($offset, $value) |
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{ |
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if (null === $offset) { |
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$this->ls[] = $value; |
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return; |
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} |
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$this->ls[$offset] = $value; |
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} |
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/** |
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* @param mixed $offset |
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*/ |
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public function offsetUnset($offset) |
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{ |
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if ($this->offsetExists($offset)) { |
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unset($this->ls[$offset]); |
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} |
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} |
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} |
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sergiors /
functional
