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Informations about the package uuid

Fast, Secure, Random UUIDs

Pure PHP.

Generate RFC-4122 compliant random UUIDs with better statistical dispersion than mt_rand(), and 5x faster than create_uuid().

Example Usage

If you are using composer, make sure you require 'vendor/autoload.php, then the code should Just Work™. Otherwise you can require lib/Uuid.php directly.

Install w/ Composer

composer require jchook/uuid

Requirements

Features

Performance

Surprisingly, this library is 5x faster than the PECL UUID extension.

package performance
PECL UUID 300k ops/sec
meter/uuid 1.5M ops/sec

Q&A

What is UUID v4?

Universally Unique IDentifiers transcend many constraints of traditional incremental integer IDs, especially in distributed systems. Version 4 means that it's random, instead of being based on the current time, etc. This purely random ID has many advantages.

What about collisions?

The chance of a collision is so vanishingly small that it is arguably smaller than UUID V1's collision probability. For scale, you would need to do-loop Uuid::v4() at max speed for 100,000 years to achieve a 50% chance of one collision.

License

MIT


All versions of uuid with dependencies

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