$files->group()
Groups the items by a given field or callback. Returns a collection with an item for each group and a collection for each group.
$files->group(string|\Closure $field, bool $i = true): Kirby\Cms\Collection
Parameters
| Name | Type | Default | Description | 
|---|---|---|---|
| $field * | string|Closure | 
                – | |
| $i | bool | 
                true | 
        
                Ignore upper/lowercase for group names | 
Return type
Exceptions
| Type | Description | 
|---|---|
Kirby\Exception\Exception | 
        
Parent class
  Kirby\Cms\Files    inherited from Kirby\Cms\Collection