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eloquent-uuid

An Eloquent UUID Trait to use with Laravel 5.1 - 5.4

MIT licensed Total Downloads

It should work with Laravel 5.0 also, but it's untested.

The trait overwrites the static boot method and listens to the creating event. It generates a UUID (strips the dashes) and stores it in the primary key attribute. Thus, you'll need a CHAR(32) primary key for your model (see migrations below).

Installation

composer require alsofronie/eloquent-uuid:dev-master

Use

In order to make it faster, you have the option to use one of three traits:

  • UuidModelTrait - the key must be CHAR(36) and contains the dashes
  • Uuid32ModelTrait - the key must be CHAR(32), the dashes are stripped
  • UuidBinaryModelTrait - the key is BINARY(16).

Using UuidModelTrait

In order to use this trait, your schema must be something like:

<?php
	// ...
	Schema::create('users', function (Blueprint $table) {
		$table->uuid('id');	// this will create a CHAR(36) field
		// or
		// $table->char('id', 36);
		$table->string('username', 32);
		$table->string('password', 50);
		// ...
		$table->primary('id');
	});

Using Uuid32ModelTrait

For this type, just use CHAR(32) in your schema (this is identical to the first one, but with stripped dashes).

<?php
	// ...
	Schema::create('users', function (Blueprint $table) {
		$table->char('id', 32);
		// ...
		$table->string('username', 32);
		$table->string('password', 50);

		$table->primary('id');
	});

Using UuidBinaryModelTrait

This stores the key as binary. The default Laravel Blueprint curretly does not currently support binary fields with specified length, and (at least in MySQL) you cannot create an index (including primary key) on a BINARY field without length.

So, the schema definition should be something like this (please double check if you're not using MySQL):

<?php

	// ...
	Schema::create('users', function (Blueprint $table) {
		$table->string('username', 32);
		$table->string('password', 50);
	});

	DB::statement('ALTER TABLE `usersb` ADD `id` BINARY(16); ALTER TABLE `usersb` ADD PRIMARY KEY (`id`);')
?>

There are two additional notes for this particular trait.

Note 1. In order to get a string representation of your uuid, simple call $model->id_string and you'll get it.

Note 2. You can use User::find($uuid) with both the binary version or the string (bin2hex) version.

Using the optimized uuid

To use the optimized uuid, put the following line in your models: private static $uuidOptimization = true;

In your models

In order to use this in your models, just put use Uuid[32|Binary]ModelTrait;:

<?php

namespace App;
use Alsofronie\Uuid\Uuid[32|Binary]ModelTrait;

class User extends Eloquent
{
	use Uuid[32|Binary]ModelTrait;
}

Running tests

To run the tests, just run composer install and ./vendor/bin/phpunit.

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An Eloquent UUID Trait to use with Laravel 5.1 and 5.2

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