wp_unique_id() │ WP 5.0.3

Gets unique ID.

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.

No Hooks.

Return

String. Unique ID.

Usage

wp_unique_id( $prefix );

$prefix(string)

Prefix for the returned ID.
Default: ''

Changelog

wp_unique_id() wp unique id code ^{WP 6.5.2}

function wp_unique_id( $prefix = '' ) {
	static $id_counter = 0;
	return $prefix . (string) ++$id_counter;
}