wp_unique_id() WordPress Function
The wp_unique_id() function allows you to generate a unique ID for an object. This can be useful for creating objects that need to be identified in a database or elsewhere.
wp_unique_id( string $prefix = '' ) #
Gets unique ID.
Description
This is a PHP implementation of Underscore’s uniqueId method. A static variable contains an integer that is incremented with each call. This number is returned with the optional prefix. As such the returned value is not universally unique, but it is unique across the life of the PHP process.
Parameters
- $prefix
(string)(Optional)Prefix for the returned ID.
Default value: ''
Return
(string) Unique ID.
Source
File: wp-includes/functions.php
function wp_unique_id( $prefix = '' ) {
static $id_counter = 0;
return $prefix . (string) ++$id_counter;
}
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Changelog
| Version | Description |
|---|---|
| 5.0.3 | Introduced. |