Answer by chamod rathnayake for PHP function to generate v4 UUID
The uuid_create function, which is available in PHP 7.2 and later, can be used. $uuid = uuid_create(); echo $uuid;
View ArticleAnswer by notebook for PHP function to generate v4 UUID
Cryptographically secure UUID v4 for PHP >= 7.<?phpfunction uuid4() { /* 32 random HEX + space for 4 hyphens */ $out = bin2hex(random_bytes(18)); $out[8] = "-"; $out[13] = "-"; $out[18] = "-";...
View ArticleAnswer by DaveInMaine for PHP function to generate v4 UUID
Just an idea, but what I ended up doing to get a V4 GUID was to use the database server. I am using SQL Server, and in the scenario where I needed the GUID, I was already running a query, so I just...
View ArticleAnswer by simpleton for PHP function to generate v4 UUID
This could be simpler?$uuid = bin2hex(openssl_random_pseudo_bytes(16));for($cnt = 8; $cnt <=23; $cnt+=5) $uuid = substr($uuid, 0, $cnt) . "-" . substr($uuid, $cnt);echo $uuid . "\n";
View ArticleAnswer by Serhii Polishchuk for PHP function to generate v4 UUID
Use Symfony Polyfill / UuidThen you can just generate uuid as native php function: $uuid = uuid_create(UUID_TYPE_RANDOM);More about it, read in official Symfony blop post -...
View ArticleAnswer by Cristián Carrasco for PHP function to generate v4 UUID
// php version >= 7$uuid = vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex(random_bytes(16)), 4));
View ArticleAnswer by Danny Beckett for PHP function to generate v4 UUID
A slight variation on Jack's answer to add support for PHP < 7:// Get an RFC-4122 compliant globaly unique identifierfunction get_guid() { $data = PHP_MAJOR_VERSION < 7 ?...
View ArticleAnswer by Baracus for PHP function to generate v4 UUID
I'm sure there's a more elegant way to do the conversion from binary to decimal for the 4xxx and yxxx portions. But if you want to use openssl_random_pseudo_bytes as your crytographically secure number...
View ArticleAnswer by indextwo for PHP function to generate v4 UUID
Having searched for the exact same thing and almost implementing a version of this myself, I thought it was worth mentioning that, if you're doing this within a WordPress framework, WP has its own...
View ArticleAnswer by bish for PHP function to generate v4 UUID
If you use CakePHP you can use their method CakeText::uuid(); from the CakeText class to generate a RFC4122 uuid.
View ArticleAnswer by Arie for PHP function to generate v4 UUID
In my search for a creating a v4 uuid, I came first to this page, then found this on http://php.net/manual/en/function.com-create-guid.phpfunction guidv4(){ if (function_exists('com_create_guid') ===...
View ArticleAnswer by Hoan Dang for PHP function to generate v4 UUID
How about using mysql to generate the uuid for you?$conn = new mysqli($servername, $username, $password, $dbname, $port);$query = 'SELECT UUID()';echo $conn->query($query)->fetch_row()[0];
View ArticleAnswer by Jules for PHP function to generate v4 UUID
Anyone using composer dependencies, you might want to consider this library: https://github.com/ramsey/uuidIt doesn't get any easier than this:Uuid::uuid4();
View ArticleAnswer by ThorSummoner for PHP function to generate v4 UUID
on unix systems, use the system kernel to generate a uuid for you.file_get_contents('/proc/sys/kernel/random/uuid')Credit Samveen on https://serverfault.com/a/529319/210994Note!: Using this method to...
View ArticleAnswer by Ja͢ck for PHP function to generate v4 UUID
FormattingTo construct a UUIDv4 you can generate 128 bits worth of random data, patch a few fields to make the data comply with the standard, and then format it as hexadecimal groups.According to RFC...
View ArticleAnswer by Victor Smirnov for PHP function to generate v4 UUID
My answer is based on comment uniqid user comment but it uses openssl_random_pseudo_bytes function to generate random string instead of reading from /dev/urandomfunction guid(){ $randomString =...
View ArticleAnswer by Michael for PHP function to generate v4 UUID
Inspired by broofa's answer here.preg_replace_callback('/[xy]/', function ($matches){ return dechex('x' == $matches[0] ? mt_rand(0, 15) : (mt_rand(0, 15) & 0x3 | 0x8));},...
View ArticleAnswer by amgine for PHP function to generate v4 UUID
From tom, on http://www.php.net/manual/en/function.uniqid.php$r = unpack('v*', fread(fopen('/dev/random', 'r'),16));$uuid = sprintf('%04x%04x-%04x-%04x-%04x-%04x%04x%04x', $r[1], $r[2], $r[3], $r[4]...
View ArticleAnswer by William for PHP function to generate v4 UUID
Taken from this comment on the PHP manual, you could use this: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,...
View ArticlePHP function to generate v4 UUID
So I've been doing some digging around and I've been trying to piece together a function that generates a valid v4 UUID in PHP. This is the closest I've been able to come. My knowledge in hex, decimal,...
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