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Laravel slug generator

Laravel slug generator with example

Aman Jain, November 8, 2021November 8, 2021

In this article we are going to create slug from any input field. slug is useful search engine optimization and also from security perspective because in some case we use primary id or unique id of table to fetch the detail in page but its not recommended way to show number in URL. Showing ID in URL can be open to SQL injection which lead to website hacking.

There is 3 ways to create the slug in Laravel

  1. Create save event in model
  2. Slug using trait
  3. Slug using package

Create slug using save event

In this way we will create a event in every model to generate the slug and save into the table.

Step 1: Create a model

First step is to create the model using artisan command or you can choose your any model

php artisan make:model Post

it will generate a Post model in app\Model folder.

Step 2: Register the create event

Now, register a createed event on every new row creation

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Str;

class Post extends Model
{
    use HasFactory;

    protected static function boot()
    {
        parent::boot();

        static::created(function ($post) {
            $post->slug = $post->generateUniqueSlug($post->title);
            $post->save();
        });
    }

    private function generateUniqueSlug($name,$counter=0,$slugField="slug")
    {
        $updatedName = $counter==0?$name:$name."-".$counter;
        if (static::where($slugField,$slug = Str::slug($updatedName))->exists()) {
               return  $this->generateUniqueSlug($name,$counter+1);
        }
        return Str::slug($updatedName);
    }   
    
}

Here , we registered a event static::created and then generated a unique slug by checking the existancy of slug recursively in database.

Step 3: Create the route and save post

This is the time to check our implementation, so we need to create the route and create a new post

<?php

use Illuminate\Support\Facades\Route;
use App\Models\Post;


Route::get('/check-slug',function(){

    $post=new Post;
    $post->title="This is a test";
    $post->description="This is a test";
    $post->save();
});

now we can check in browser and below is screenshot

Screenshot 2021 11 07 at 6.45.18 PM
Slug generation in laravel
Read about Create a reusable slug using trait

Related

Php Laravel laravelphpslug

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Aman Jain
Aman Jain

With years of hands-on experience in the realm of web and mobile development, they have honed their skills in various technologies, including Laravel, PHP CodeIgniter, mobile app development, web app development, Flutter, React, JavaScript, Angular, Devops and so much more. Their proficiency extends to building robust REST APIs, AWS Code scaling, and optimization, ensuring that your applications run seamlessly on the cloud.

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