$collection->set()

Adds a new element to the collection

$collection->set(array|string $key, TValue|null $value = null): Kirby\Toolkit\Collection

Parameters

Name	Type	Default
$keyrequired	`array`or`string`	no default value
$value	`TValue`or`null`	`null`

This method modifies the existing $collection object it is applied to and returns it again.