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<?php |
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/** |
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* File Collection.php |
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* |
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* @author Edward Pfremmer <[email protected]> |
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*/ |
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namespace Epfremme\Collection; |
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use \Closure; |
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use Epfremme\Collection\Traits\ClearableTrait; |
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/** |
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* Class Collection |
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* |
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* @package Epfremme\Collection |
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*/ |
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class Collection extends BaseCollection |
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{ |
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use ClearableTrait; |
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/** |
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* Push new element to collection |
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* |
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* @param mixed $element |
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* @return int |
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*/ |
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public function push($element) |
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{ |
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return array_push($this->elements, $element); |
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} |
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/** |
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* Pop last element from collection |
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* |
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* @return mixed |
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*/ |
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public function pop() |
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{ |
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return array_pop($this->elements); |
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} |
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/** |
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* Shift first element from collection |
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* |
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* @return mixed |
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*/ |
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public function shift() |
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{ |
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return array_shift($this->elements); |
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} |
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/** |
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* Unshift element to collection |
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* |
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* @param mixed $element |
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* @return int |
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*/ |
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public function unshift($element) |
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{ |
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return array_unshift($this->elements, $element); |
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} |
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/** |
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* Add element to collection |
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* |
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* @param $element |
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* @return $this |
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*/ |
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public function add($element) |
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{ |
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$this->push($element); |
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return $this; |
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} |
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/** |
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* Remove element from collection |
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* @param $element |
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* @return bool |
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*/ |
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public function remove($element) |
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{ |
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if (!$this->contains($element)) { |
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return false; |
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} |
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$this->offsetUnset($this->indexOf($element)); |
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return true; |
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} |
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/** |
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* Set new value to collection at position |
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* |
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* @param mixed $key |
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* @param mixed $value |
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* @return $this |
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*/ |
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public function set($key, $value) |
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{ |
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$this->offsetSet($key, $value); |
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return $this; |
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} |
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/** |
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* Return new collection sliced from current elements |
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* @param int $offset |
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* @param int $length |
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* @return static |
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*/ |
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public function slice($offset = 0, $length = 0) |
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{ |
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return new static(array_slice($this->elements, $offset, $length, true)); |
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} |
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/** |
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* Splice and return new collection from current elements |
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* |
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* @param int $offset |
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* @param int $length |
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* @param array|mixed $replacement |
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* @return static |
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*/ |
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public function splice($offset = 0, $length = 0, $replacement = []) |
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{ |
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return new static(array_splice($this->elements, $offset, $length, $replacement)); |
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} |
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/** |
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* Map function on against collection elements |
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* |
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* @param Closure $fn |
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* @return static |
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*/ |
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public function map(Closure $fn) |
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{ |
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return new static(array_map($fn, $this->getValues(), $this->getKeys())); |
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} |
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/** |
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* Reduce collection to a single value |
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* |
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* @param Closure $fn |
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* @param null $initial |
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* @return mixed |
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*/ |
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public function reduce(Closure $fn, $initial = null) |
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{ |
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return array_reduce($this->elements, $fn, $initial); |
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} |
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/** |
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* Sort collection by user defined function |
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* |
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* @param Closure $fn |
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* @return bool |
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*/ |
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public function sort(Closure $fn) |
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{ |
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return usort($this->elements, $fn); |
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} |
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/** |
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* Sort collection by use defined function and |
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* maintain element keys/indicies |
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* |
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* @param Closure $fn |
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* @return bool |
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*/ |
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public function asort(Closure $fn) |
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{ |
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return uasort($this->elements, $fn); |
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} |
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/** |
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* CAll function on each element of collection |
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* |
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* @param Closure $fn |
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* @return bool |
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*/ |
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public function each(Closure $fn) |
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{ |
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foreach ($this->elements as $key => $element) { |
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if ($fn($element, $key) === false) { |
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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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