wp_unique_id( string $prefix = '' )

Get unique ID.

Description 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 Parameters


(string) (Optional) Prefix for the returned ID.

Default value: ''

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Return Return

(string) Unique ID.

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Source 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 Changelog

Version Description
5.0.3 Introduced.

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