ui:uid
Generates a unique identifier using bin2hex(random_bytes(4)).
This is used internally for the default value for the rootId prop in components. Its exposed as a ViewHelper for convenience.
Example
<f:variable name="myId">{ui:uid()}</f:variable>
this will generate a unique id like «42f10a7d»
Arguments
| Name | Type | Description | Required | Default |
|---|---|---|---|---|
prefix |
string | The prefix of the generated ID | No | '' |