Uuidv4 php

Php uuid generator

uniqid()
uniqid('php_')

Uuidv4 php

function gen_uuid() {
    return sprintf( '%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
        // 32 bits for "time_low"
        mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ),

        // 16 bits for "time_mid"
        mt_rand( 0, 0xffff ),

        // 16 bits for "time_hi_and_version",
        // four most significant bits holds version number 4
        mt_rand( 0, 0x0fff ) | 0x4000,

        // 16 bits, 8 bits for "clk_seq_hi_res",
        // 8 bits for "clk_seq_low",
        // two most significant bits holds zero and one for variant DCE1.1
        mt_rand( 0, 0x3fff ) | 0x8000,

        // 48 bits for "node"
        mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff )
    );
}

Similar codes

0 vote266 views1 answer
Use middleware in controller to have access session
PHP
31 votes354 views6 answers
Make model with migration laravel
PHP Laravel
10 votes268 views6 answers
Php array_filter
PHP
0 vote281 views1 answer
Wordpress display menu by name
PHP
0 vote278 views1 answer
Min function in php
PHP
0 vote276 views1 answer
Php print array source code
PHP
0 vote272 views1 answer
Best version control tools for php
PHP
0 vote276 views1 answer
Php check if extension is installed
PHP
1 vote384 views2 answers
Laravel middleware in constructor
PHP Laravel
1 vote284 views1 answer
How to add property to the request object
PHP