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<?php
namespace Mundanity\Collection;
/**
* A keyed collection.
*
*/
class KeyedCollection extends Collection implements KeyedCollectionInterface
{
* Constructor
* @param array $data
* An array of data to populate the collection with.
public function __construct(array $data = [])
$this->data = $data;
}
* {@inheritdoc}
public function getAtIndex($index)
if (!is_numeric($index)) {
return;
$values = array_values($this->data);
return isset($values[$index]) ? $values[$index] : null;
public function hasKey($key)
return array_key_exists($key, $this->data);
public function getByKey($key)
if ($this->hasKey($key)) {
return is_object($this->data[$key]) ? clone $this->data[$key] : $this->data[$key];
mundanity /
collection
