/**
* Get item of an array by index, accepting nested index.
*
** Underscore::get(['foo' => ['bar' => 'ter']], 'foo.bar');
** // → 'ter'
*
* @param array $collection array of values
* @param string $key key or index
* @param null $default default value to return if index not exist
*
* @return array|mixed|null
*
*/
public static function get($collection = [], $key = '', $default = null)
{
if (Objects::isNull($key)) {
return $collection;
}
if (!Objects::isObject($collection) && isset($collection[$key])) {
return $collection[$key];
}
foreach (\explode('.', $key) as $segment) {
if (Objects::isObject($collection)) {
if (!isset($collection->{$segment})) {
return $default instanceof \Closure ? $default() : $default;
} else {
$collection = $collection->{$segment};
}
} else {
if (!isset($collection[$segment])) {
return $default instanceof \Closure ? $default() : $default;
} else {
$collection = $collection[$segment];
}
}
}
return $collection;
}
