/**
* Get the values of a collection.
*
* @param array|Traversable|AssociativeInterface|SequenceInterface $collection
*
* @return array An array containing the values of $collection.
*/
public static function values($collection)
{
if ($collection instanceof AssociativeInterface) {
return $collection->values();
} elseif ($collection instanceof SequenceInterface) {
return $collection->elements();
} elseif (is_array($collection)) {
return array_values($collection);
}
$values = array();
foreach ($collection as $value) {
$values[] = $value;
}
return $values;
}
/**
* Add the elements from one or more other collections to this collection.
*
* Any existing keys are overwritten from left to right.
*
* @param AssociativeInterface $collection The collection to merge.
* @param AssociativeInterface $additional,... Additional collections to merge.
*/
public function mergeInPlace(AssociativeInterface $collection)
{
foreach (func_get_args() as $collection) {
foreach ($collection->elements() as $element) {
list($key, $value) = $element;
$this->set($key, $value);
}
}
}