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<?php |
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/** |
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* This file is part of the PHPMongo package. |
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* |
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* (c) Dmytro Sokil <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Sokil\Mongo; |
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class ResultSet implements \Iterator, \Countable, \ArrayAccess |
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{ |
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protected $documents = array(); |
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public function __construct(array $documents = null) |
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{ |
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if ($documents) { |
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$this->documents = $documents; |
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} |
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} |
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public function map($callable) |
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{ |
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return new ResultSet(array_map($callable, $this->documents)); |
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} |
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public function filter($callable) |
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{ |
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return new ResultSet(array_filter($this->documents, $callable)); |
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} |
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public function each($callable) |
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{ |
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foreach ($this->documents as $id => $document) { |
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call_user_func($callable, $document, $id, $this); |
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} |
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return $this; |
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} |
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/** |
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* |
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* @param callable $callable apply arguments [$accumulator, $document] |
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* @param mixed $initial |
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* @return mixed |
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*/ |
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public function reduce($callable, $initial = null) |
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{ |
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return array_reduce($this->documents, $callable, $initial); |
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} |
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/** |
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* Count documents in result set |
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* @return int count |
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*/ |
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public function count() |
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{ |
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return count($this->documents); |
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} |
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public function keys() |
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{ |
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return array_keys($this->documents); |
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} |
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public function values() |
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{ |
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return array_values($this->documents); |
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} |
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/** |
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* Return the current element |
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* @return array|\Sokil\Mongo\Document |
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*/ |
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public function current() |
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{ |
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return current($this->documents); |
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} |
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/** |
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* Move forward to next element |
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* @return void Any returned value is ignored. |
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*/ |
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public function next() |
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{ |
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next($this->documents); |
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} |
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/** |
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* Return the key of the current element |
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* @return scalar scalar on success, or NULL on failure. |
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*/ |
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public function key() |
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{ |
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return key($this->documents); |
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} |
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/** |
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* Checks if current position is valid |
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* @return boolean The return value will be casted to boolean and then evaluated. |
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* Returns TRUE on success or FALSE on failure. |
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*/ |
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public function valid() |
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{ |
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return key($this->documents) !== null; |
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} |
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/** |
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* Rewind the Iterator to the first element |
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* @return void Any returned value is ignored. |
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*/ |
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public function rewind() |
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{ |
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reset($this->documents); |
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} |
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/** |
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* Whether a offset exists |
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* @param mixed $offset |
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* An offset to check for. |
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* @return boolean TRUE on success or FALSE on failure. |
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* The return value will be casted to boolean if non-boolean was returned. |
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*/ |
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public function offsetExists($offset) |
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{ |
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return array_key_exists($offset, $this->documents); |
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} |
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/** |
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* Offset to retrieve |
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* @param mixed $offset The offset to retrieve. |
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* @return array|\Sokil\Mongo\Document |
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*/ |
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public function offsetGet($offset) |
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{ |
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return $this->documents[$offset]; |
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} |
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/** |
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* Offset to set |
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* @param mixed $offset The offset to assign the value to. |
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* @param mixed $value The value to set. |
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* @return void No value is returned. |
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*/ |
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public function offsetSet($offset, $value) |
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{ |
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$this->documents[$offset] = $value; |
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} |
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/** |
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* Offset to unset |
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* @param mixed $offset The offset to unset. |
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* @return void No value is returned. |
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*/ |
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public function offsetUnset($offset) |
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{ |
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unset($this->documents[$offset]); |
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} |
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public function toArray() |
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{ |
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return $this->documents; |
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} |
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} |
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sokil /
php-mongo
