public static function set($key, $value = null)
{
static::$items = arraySet(static::$vars, $key, $value);
}
/**
* Get a subset of the items from the input data.
*
* @param array $keys
* @return array
*/
public function only($keys)
{
$keys = Arrays::is($keys) ? $keys : func_get_args();
$results = [];
$input = $this->all();
foreach ($keys as $key) {
arraySet($results, $key, arrayGet($input, $key));
}
return $results;
}
function arraySet(&$array, $key, $value, $separator = '.')
{
if (strpos($key, $separator) !== false) {
$keys = explode($separator, $key, 2);
if (strlen(Arrays::first($keys)) && strlen($keys[1])) {
if (!Arrays::exists(Arrays::first($keys), $array)) {
if (Arrays::first($keys) === '0' && !empty($array)) {
$array = array(Arrays::first($keys) => $array);
} else {
$array[Arrays::first($keys)] = array();
}
} elseif (!Arrays::is($array[Arrays::first($keys)])) {
throw new Exception("Cannot create sub-key for '{$keys[0]}' as key already exists.");
}
$array[Arrays::first($keys)] = arraySet($array[Arrays::first($keys)], $keys[1], $value);
} else {
throw new Exception("Invalid key '{$key}'");
}
} else {
$array[$key] = $value;
}
return $array;
}
public function __set($key, $value)
{
$this->values = arraySet($this->values, $this->format($key), $value);
return $this;
}
