wp_generate_uuid4

Generate a random UUID (version 4).

Description

(string) wp_generate_uuid4();

Returns (string)

UUID.

Usage

if ( !function_exists( 'wp_generate_uuid4' ) ) { 
    require_once ABSPATH . WPINC . '/functions.php'; 
} 
 
  
// NOTICE! Understand what this does before running. 
$result = wp_generate_uuid4();

Defined (1)

The function is defined in the following location(s).

/wp-includes/functions.php

function wp_generate_uuid4() { 
    return sprintf( '%04x%04x-%04x-%04x-%04x-%04x%04x%04x',  
        mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ),  
        mt_rand( 0, 0xffff ),  
        mt_rand( 0, 0x0fff ) | 0x4000,  
        mt_rand( 0, 0x3fff ) | 0x8000,  
        mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ) 
 ); 
}