Laravel Generate Unique Slug Example

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Today what you are going to learn:

Hello Brother,

In this tutorial we will go over the demonstration of laravel generate unique slug. This article goes in detailed on laravel create unique slug lesson. i would like to share with you laravel generate slug before save. i would like to share with you how to generate unique slug in laravel.

you can easily create unique slug in laravel 6, laravel 7 and laravel 8 version.

Sometime we need to create slug from title with your application. but you also need to create unique slug on that table. might be user will enter same title then it should automatically generate unique slug. i will give you simple lesson step by step how to generate unique slug in laravel using eloquent model events.

Let's see step by step to create unique slug in laravel lesson:



namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;

use Illuminate\Database\Eloquent\Model;

use Illuminate\Support\Str;

class Product extends Model


use HasFactory;

protected $fillable = [

'title', 'detail', 'slug'



* Boot the model.


protected static function boot()



static::created(function ($product) {

$product->slug = $product->createSlug($product->title);





* Write code on Method


* @return response()


private function createSlug($title){

if (static::whereSlug($slug = Str::slug($title))->exists()) {

$max = static::whereTitle($title)->latest('id')->skip(1)->value('slug');

if (is_numeric($max[-1])) {

return preg_replace_callback('/(\d+)$/', function ($mathces) {

return $mathces[1] + 1;

}, $max);


return "{$slug}-2";


return $slug;



Controller Code:


namespace App\Http\Controllers;

use App\Models\Product;

use Illuminate\Http\Request;

class ProductController extends Controller



* Display a listing of the resource.


* @return \Illuminate\Http\Response


public function index()


$product = Product::create([

"title" => "Laravel 8 Image Upload"





now if you create multiple time same title record then it will create slug as bellow:





now you can try it and check it.

thank you very much for following up with me.


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