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

1 vote350 views2 answers
Laravel 8 seeding
PHP Laravel
16 votes298 views4 answers
Get user ip in php
PHP
0 vote313 views1 answer
Laravel 8 template favicon
PHP
0 vote304 views1 answer
Sanitize file name
PHP
0 vote290 views2 answers
Laravel undefined index
PHP
1 vote288 views1 answer
Php function exists
PHP
0 vote281 views1 answer
Can i back up mysql database from php code?
PHP
0 vote314 views6 answers
Create global function laravel
PHP
0 vote305 views1 answer
Set php path in ubuntu
PHP
1 vote322 views1 answer
Php array in cookie
PHP