Laravel Tips

Awesome Laravel tips and tricks for all artisans. PR and ideas are welcome!
An idea by PovilasKorop and MarceauKa.

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Update 25 October 2021: Currently there are 194 tips divided into 14 sections.

DB Models and Eloquent

⬆️ Go to top ➡️ Next (Models Relations)

Reuse or clone query
Eloquent where date methods
Increments and decrements
No timestamp columns
Soft-deletes: multiple restore
Model all: columns
To Fail or not to Fail
Column name change
Map query results
Change Default Timestamp Fields
Quick Order by created_at
Automatic Column Value When Creating Records
DB Raw Query Calculations Run Faster
More than One Scope
No Need to Convert Carbon
Grouping by First Letter
Never Update the Column
Find Many
Find Many and return specific columns
Find by Key
Use UUID instead of auto-increment
Sub-selects in Laravel Way
Hide Some Columns
Exact DB Error
Soft-Deletes with Query Builder
Good Old SQL Query
Use DB Transactions
Update or Create
Forget Cache on Save
Change Format of Created_at and Updated_at
Storing Array Type into JSON
Make a Copy of the Model
Reduce Memory
Force query without $fillable/$guarded
3-level structure of parent-children
Use find to search multiple records
Perform any action on failure
Check if record exists or show 404
Abort if condition failed
Perform any extra steps before deleting model
Fill a column automatically while you persist data to the database
Extra information about the query
Using the doesntExist() method in Laravel
Trait that you want to add to a few Models to call their boot() method automatically
There are two common ways of determining if a table is empty in Laravel
How to prevent “property of non-object” error
Get original attributes after mutating an Eloquent record
A simple way to seed a database

Reuse or clone query()

Typically, we need to query multiple time from a filtered query. So, most of the time we use query() method,

let's write a query for getting today created active and inactive products

$query = Product::query();


$today = request()->q_date ?? today();
if($today){
    $query->where('created_at', $today);
}

// lets get active and inactive products
$active_products = $query->where('status', 1)->get(); // this line modified the $query object variable
$inactive_products = $query->where('status', 0)->get(); // so here we will not find any inactive products

But, after getting $active products the$querywill be modified. So, $inactive_products will not find any inactive products from $query and that will return blank collection every time. Cause, that will try to find inactive products from $active_products ($query will return active products only).

For solve this issue, we can query multiple time by reusing this $query object. So, We need to clone this $query before doing any $query modification action.

$active_products = (clone $query)->where('status', 1)->get(); // it will not modify the $query
$inactive_products = (clone $query)->where('status', 0)->get(); // so we will get inactive products from $query

Eloquent where date methods

In Eloquent, check the date with functions whereDay(), whereMonth(), whereYear(), whereDate() and whereTime().

$products = Product::whereDate('created_at', '2018-01-31')->get();
$products = Product::whereMonth('created_at', '12')->get();
$products = Product::whereDay('created_at', '31')->get();
$products = Product::whereYear('created_at', date('Y'))->get();
$products = Product::whereTime('created_at', '=', '14:13:58')->get();

Increments and decrements

If you want to increment some DB column in some table, just use increment() function. Oh, and you can increment not only by 1, but also by some number, like 50.

Post::find($post_id)->increment('view_count');
User::find($user_id)->increment('points', 50);

No timestamp columns

If your DB table doesn't contain timestamp fields created_at and updated_at, you can specify that Eloquent model wouldn't use them, with $timestamps = false property.

class Company extends Model
{
    public $timestamps = false;
}

Soft-deletes: multiple restore

When using soft-deletes, you can restore multiple rows in one sentence.

Post::onlyTrashed()->where('author_id', 1)->restore();

Model all: columns

When calling Eloquent's Model::all(), you can specify which columns to return.

$users = User::all(['id', 'name', 'email']);

To Fail or not to Fail

In addition to findOrFail(), there's also Eloquent method firstOrFail() which will return 404 page if no records for query are found.

$user = User::where('email', 'povilas@laraveldaily.com')->firstOrFail();

Column name change

In Eloquent Query Builder, you can specify "as" to return any column with a different name, just like in plain SQL query.

$users = DB::table('users')->select('name', 'email as user_email')->get();

Map query results

After Eloquent query you can modify rows by using map() function in Collections.

$users = User::where('role_id', 1)->get()->map(function (User $user) {
    $user->some_column = some_function($user);
    return $user;
});

Change Default Timestamp Fields

What if you’re working with non-Laravel database and your timestamp columns are named differently? Maybe, you have create_time and update_time. Luckily, you can specify them in the model, too:

class Role extends Model
{
    const CREATED_AT = 'create_time';
    const UPDATED_AT = 'update_time';
}

Quick Order by created_at

Instead of:

User::orderBy('created_at', 'desc')->get();

You can do it quicker:

User::latest()->get();

By default, latest() will order by created_at.

There is an opposite method oldest() which would order by created_at ascending:

User::oldest()->get();

Also, you can specify another column to order by. For example, if you want to use updated_at, you can do this:

$lastUpdatedUser = User::latest('updated_at')->first();

Automatic Column Value When Creating Records

If you want to generate some DB column value when creating record, add it to model's boot() method. For example, if you have a field "position" and want to assign the next available position to the new record (like Country::max('position') + 1), do this:

class Country extends Model {
    protected static function boot()
    {
        parent::boot();

        Country::creating(function($model) {
            $model->position = Country::max('position') + 1;
        });
    }
}

DB Raw Query Calculations Run Faster

Use SQL raw queries like whereRaw() method, to make some DB-specific calculations directly in query, and not in Laravel, usually the result will be faster. Like, if you want to get users that were active 30+ days after their registration, here's the code:

User::where('active', 1)
    ->whereRaw('TIMESTAMPDIFF(DAY, created_at, updated_at) > ?', 30)
    ->get();

More than One Scope

You can combine and chain Query Scopes in Eloquent, using more than one scope in a query.

Model:

public function scopeActive($query) {
    return $query->where('active', 1);
}

public function scopeRegisteredWithinDays($query, $days) {
    return $query->where('created_at', '>=', now()->subDays($days));
}

Some Controller:

$users = User::registeredWithinDays(30)->active()->get();

No Need to Convert Carbon

If you're performing whereDate() and check today's records, you can use Carbon's now() and it will automatically be transformed to date. No need to do ->toDateString().

// Instead of
$todayUsers = User::whereDate('created_at', now()->toDateString())->get();
// No need to convert, just use now()
$todayUsers = User::whereDate('created_at', now())->get();

Grouping by First Letter

You can group Eloquent results by any custom condition, here's how to group by first letter of user's name:

$users = User::all()->groupBy(function($item) {
    return $item->name[0];
});

Never Update the Column

If you have DB column which you want to be set only once and never updated again, you can set that restriction on Eloquent Model, with a mutator:

class User extends Model
{
    public function setEmailAttribute($value)
    {
        if ($this->email) {
            return;
        }

        $this->attributes['email'] = $value;
    }
}

Find Many

Eloquent method find() may accept multiple parameters, and then it returns a Collection of all records found, not just one Model:

// Will return Eloquent Model
$user = User::find(1);
// Will return Eloquent Collection
$users = User::find([1,2,3]);

Tip given by @tahiriqbalnajam

Find Many and return specific columns

Eloquent method find() may accept multiple parameters, and then it returns a Collection of all records found with specificied columns, not all columns of model:

// Will return Eloquent Model with first_name and email only
$user = User::find(1, ['first_name', 'email']);
// Will return Eloquent Collection with first_name and email only
$users = User::find([1,2,3], ['first_name', 'email']);

Tip given by @tahiriqbalnajam

Find by Key

You can also find multiple records with whereKey() method which takes care of which field is exactly your primary key (id is the default but you may override it in Eloquent model):

$users = User::whereKey([1,2,3])->get();

Use UUID instead of auto-increment

You don't want to use auto incrementing ID in your model?

Migration:

Schema::create('users', function (Blueprint $table) {
    // $table->increments('id');
    $table->uuid('id')->unique();
});

Model:

class User extends Model
{
    public $incrementing = false;
    protected $keyType = 'string';

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

        User::creating(function ($model) {
            $model->setId();
        });
    }

    public function setId()
    {
        $this->attributes['id'] = Str::uuid();
    }
}

Sub-selects in Laravel Way

From Laravel 6, you can use addSelect() in Eloquent statement, and do some calculation to that added column.

return Destination::addSelect(['last_flight' => Flight::select('name')
    ->whereColumn('destination_id', 'destinations.id')
    ->orderBy('arrived_at', 'desc')
    ->limit(1)
])->get();

Hide Some Columns

When doing Eloquent query, if you want to hide specific field from being returned, one of the quickest ways is to add ->makeHidden() on Collection result.

$users = User::all()->makeHidden(['email_verified_at', 'deleted_at']);

Exact DB Error

If you want to catch Eloquent Query exceptions, use specific QueryException instead default Exception class, and you will be able to get the exact SQL code of the error.

try {
    // Some Eloquent/SQL statement
} catch (\Illuminate\Database\QueryException $e) {
    if ($e->getCode() === '23000') { // integrity constraint violation
        return back()->withError('Invalid data');
    }
}

Soft-Deletes with Query Builder

Don't forget that soft-deletes will exclude entries when you use Eloquent, but won't work if you use Query Builder.

// Will exclude soft-deleted entries
$users = User::all();

// Will NOT exclude soft-deleted entries
$users = User::withTrashed()->get();

// Will NOT exclude soft-deleted entries
$users = DB::table('users')->get();

Good Old SQL Query

If you need to execute a simple SQL query, without getting any results - like changing something in DB schema, you can just do DB::statement().

DB::statement('DROP TABLE users');
DB::statement('ALTER TABLE projects AUTO_INCREMENT=123');

Use DB Transactions

If you have two DB operations performed, and second may get an error, then you should rollback the first one, right?

For that, I suggest to use DB Transactions, it's really easy in Laravel:

DB::transaction(function () {
    DB::table('users')->update(['votes' => 1]);

    DB::table('posts')->delete();
});

Update or Create

If you need to check if the record exists, and then update it, or create a new record otherwise, you can do it in one sentence - use Eloquent method updateOrCreate():

// Instead of this
$flight = Flight::where('departure', 'Oakland')
    ->where('destination', 'San Diego')
    ->first();
if ($flight) {
    $flight->update(['price' => 99, 'discounted' => 1]);
} else {
	$flight = Flight::create([
	    'departure' => 'Oakland',
	    'destination' => 'San Diego',
	    'price' => 99,
	    'discounted' => 1
	]);
}
// Do it in ONE sentence
$flight = Flight::updateOrCreate(
    ['departure' => 'Oakland', 'destination' => 'San Diego'],
    ['price' => 99, 'discounted' => 1]
);

Forget Cache on Save

Tip given by @pratiksh404

If you have cache key like posts that gives collection, and you want to forget that cache key on new store or update, you can call static saved function on your model:

class Post extends Model
{
    // Forget cache key on storing or updating
    public static function boot()
    {
        parent::boot();
        static::saved(function () {
           Cache::forget('posts');
        });
    }
}

Change Format Of Created_at and Updated_at

Tip given by @syofyanzuhad

To change the format of created_at you can add a method in your model like this:

public function getCreatedAtFormattedAttribute()
{
   return $this->created_at->format('H:i d, M Y');
}

So you can use it $entry->created_at_formatted when it's needed. It will return the created_at attribute like this: 04:19 23, Aug 2020.

And also for changing format of updated_at attribute, you can add this method :

public function getUpdatedAtFormattedAttribute()
{
   return $this->updated_at->format('H:i d, M Y');
}

So you can use it $entry->updated_at_formatted when it's needed. It will return the updated_at attribute like this: 04:19 23, Aug 2020.

Storing Array Type into JSON

Tip given by @pratiksh404

If you have input field which takes an array and you have to store it as a JSON, you can use $casts property in your model. Here images is a JSON attribute.

protected $casts = [
    'images' => 'array',
];

So you can store it as a JSON, but when retrieved from DB, it can be used as an array.

Make a Copy of the Model

If you have two very similar Models (like shipping address and billing address) and you need to make a copy of one to another, you can use replicate() method and change some properties after that.

Example from the official docs:

$shipping = Address::create([
    'type' => 'shipping',
    'line_1' => '123 Example Street',
    'city' => 'Victorville',
    'state' => 'CA',
    'postcode' => '90001',
]);

$billing = $shipping->replicate()->fill([
    'type' => 'billing'
]);

$billing->save();

Reduce Memory

Sometimes we need to load a huge amount of data into memory. For example:

$orders = Order::all();

But this can be slow if we have really huge data, because Laravel prepares objects of the Model class. In such cases, Laravel has a handy function toBase()

$orders = Order::toBase()->get();
//$orders will contain `Illuminate\Support\Collection` with objects `StdClass`.

By calling this method, it will fetch the data from the database, but it will not prepare the Model class. Keep in mind it is often a good idea to pass an array of fields to the get method, preventing all fields to be fetched from the database.

Force query without $fillable/$guarded

If you create a Laravel boilerplate as a "starter" for other devs, and you're not in control of what THEY would later fill in Model's $fillable/$guarded, you may use forceFill()

$team->update(['name' => $request->name])

What if "name" is not in Team model's $fillable? Or what if there's no $fillable/$guarded at all?

$team->forceFill(['name' => $request->name])

This will "ignore" the $fillable for that one query and will execute no matter what.

3-level structure of parent-children

If you have a 3-level structure of parent-children, like categories in an e-shop, and you want to show the number of products on the third level, you can use with('yyy.yyy') and then add withCount() as a condition

class HomeController extend Controller
{
    public function index()
    {
        $categories = Category::query()
            ->whereNull('category_id')
            ->with(['subcategories.subcategories' => function($query) {
                $query->withCount('products');
            }])->get();
    }
}

class Category extends Model
{
    public function subcategories()
    {
        return $this->hasMany(Category::class);
    }
    
    public function products()
    {
    return $this->hasMany(Product::class);
    }
}

<ul>
    @foreach($categories as $category)
        <li>
            {{ $category->name }}
            @if ($category->subcategories)
                <ul>
                @foreach($category->subcategories as $subcategory)
                    <li>
                        {{ $subcategory->name }}
                        @if ($subcategory->subcategories)
                            <ul>
                                @foreach ($subcategory->subcategories as $subcategory)
                                    <li>{{ $subcategory->name }} ({{ $subcategory->product_count }})</li>
                                @endforeach
                            </ul>
                        @endif
                    </li>
                @endforeach
                </ul>
            @endif
        </li>
    @endforeach           
</ul>

Use find to search multiple records

You can use Eloquent find() not only to search for one record but also to return a collection of multiple records by their IDs. Instead of

return Product::whereIn('id', $this->productIDs)->get();

You can do this

return Product::find($this->productIDs)

Perform any action on failure

When looking for a record, you may want to perform some actions if it's not found. In addition to ->firstOrFail() which just throws 404, you can perform any action on failure, just do ->firstOr(function() { ... })

$model = Flight::where('legs', '>', 3)->firstOr(function () {
    // ...
})

Check if record exists or show 404

Don't use find() and then check if the record exists. Use findOrFail().

$product = Product::find($id);
if (!$product) {
    abort(404);
}
$product->update($productDataArray);

Shorter way

$product = Product::findOrFail($id); // shows 404 if not found
$product->update($productDataArray);

Abort if condition failed

abort_if() can be used as shorter way to check condition and throw an error page.

$product = Product::findOrFail($id);
if($product->user_id != auth()->user()->id){
    abort(403);
}

Shorter way

/* abort_if(CONDITION, ERROR_CODE) */
$product = Product::findOrFail($id);
abort_if ($product->user_id != auth()->user()->id, 403)

Perform any extra steps before deleting model

Tip given by @back2Lobby

We can use Model::delete() in the overridden delete method to perform additional steps.

// App\Models\User.php

public function delete(){

	//extra steps here whatever you want
	
	//now perform the normal deletion
	Model::delete();
}

Fill a column automatically while you persist data to the database

If you want to fill a column automatically while you persist data to the database (e.g: slug) use Model Observer instead of hard code it every time

use Illuminate\Support\Str;

class Article extends Model
{
    ...
    protected static function boot()
    {
        parent:boot();
        
        static::saving(function ($model) {
            $model->slug = Str::slug($model->title);
        });
    }
}

Tip given by @sky_0xs

Extra information about the query

You can call the explain() method on queries to know extra information about the query.

Book::where('name', 'Ruskin Bond')->explain()->dd();

Illuminate\Support\Collection {#5344
    all: [
        {#15407
            +"id": 1,
            +"select_type": "SIMPLE",
            +"table": "books",
            +"partitions": null,
            +"type": "ALL",
            +"possible_keys": null,
            +"key": null,
            +"key_len": null,
            +"ref": null,
            +"rows": 9,
            +"filtered": 11.11111164093,
            +"Extra": "Using where",
        },
    ],
}

Tip given by @amit_merchant

Using the doesntExist() method in Laravel

// This works
if ( 0 === $model->where('status', 'pending')->count() ) {
}

// But since I don't care about the count, just that there isn't one
// Laravel's exists() method is cleaner.
if ( ! $model->where('status', 'pending')->exists() ) {
}

// But I find the ! in the statement above easily missed. The
// doesntExist() method makes this statement even clearer.
if ( $model->where('status', 'pending')->doesntExist() ) {
}

Tip given by @ShawnHooper

Trait that you want to add to a few Models to call their boot() method automatically

If you have a Trait that you want to add to a few Models to call their boot() method automatically, you can call Trait's method as boot[TraitName]

class Transaction extends  Model
{
    use MultiTenantModelTrait;
}

class Task extends  Model
{
    use MultiTenantModelTrait;
}

trait MultiTenantModelTrait
{
    // This method's name is boot[TraitName]
    // It will be auto-called as boot() of Transaction/Task
    public static function bootMultiTenantModelTrait()
    {
        static::creating(function ($model) {
            if (!$isAdmin) {
                $isAdmin->created_by_id = auth()->id();
            }
        })
    }
}

There are two common ways of determining if a table is empty in Laravel

There are two common ways of determining if a table is empty in Laravel. Calling exists() or count() directly on the model!
One returns a strict true/false boolean, the other returns an integer which you can use as a falsy in conditionals.

public function index()
{
    if (\App\Models\User::exists()) {
        // returns boolean true or false if the table has any saved rows
    }
    
    if (\App\Models\User::count()) {
        // returns the count of rows in the table
    }
}

Tip given by @aschmelyun

How to prevent “property of non-object” error

// BelongsTo Default Models
// Let's say you have Post belonging to Author and then Blade code:
$post->author->name;

// Of course, you can prevent it like this:
$post->author->name ?? ''
// or
@$post->author->name

// But you can do it on Eloquent relationship level:
// this relation will return an empty App\Author model if no author is attached to the post
public function author() {
    return $this->belongsTo('App\Author')->withDefault();
}
// or
public function author() {
    return $this->belongsTo('App\Author')->withDefault([
        'name' => 'Guest Author'
    ]);
}

Tip given by @coderahuljat

Get original attributes after mutating an Eloquent record

Get original attributes after mutating an Eloquent record you can get the original attributes by calling getOriginal()

$user = App\User::first();
$user->name; // John
$user->name = "Peter"; // Peter
$user->getOriginal('name'); // John
$user->getOriginal(); // Original $user record

Tip given by @devThaer

A simple way to seed a database

A simple way to seed a database in Laravel with a .sql dump file

DB::unprepared(
    file_get_contents(__DIR__ . './dump.sql')
);

Tip given by @w3Nicolas

Models Relations

⬆️ Go to top ⬅️ Previous (DB Models and Eloquent) ➡️ Next (Migrations)

OrderBy on Eloquent relationships
Conditional relationships
Raw DB Queries: havingRaw()
Eloquent has() deeper
Has Many. How many exactly?
Default model
Use hasMany to create Many
Multi level Eager Loading
Eager Loading with Exact Columns
Touch parent updated_at easily
Always Check if Relationship Exists
Use withCount() to Calculate Child Relationships Records
Extra Filter Query on Relationships
Load Relationships Always, but Dynamically
Instead of belongsTo, use hasMany
Rename Pivot Table
Update Parent in One Line
Laravel 7+ Foreign Keys
Combine Two "whereHas"
Check if Relationship Method Exists
Pivot Table with Extra Relations
Load Count on-the-fly
Randomize Relationship Order
Filter hasMany relationships
Filter by many-to-many relationship pivot column
A shorter way to write whereHas
You can add conditions to your relationships
New whereBelongsTo() Eloquent query builder method

OrderBy on Eloquent relationships

You can specify orderBy() directly on your Eloquent relationships.

public function products()
{
    return $this->hasMany(Product::class);
}

public function productsByName()
{
    return $this->hasMany(Product::class)->orderBy('name');
}

Conditional relationships

If you notice that you use same relationship often with additional "where" condition, you can create a separate relationship method.

Model:

public function comments()
{
    return $this->hasMany(Comment::class);
}

public function approved_comments()
{
    return $this->hasMany(Comment::class)->where('approved', 1);
}

Raw DB Queries: havingRaw()

You can use RAW DB queries in various places, including havingRaw() function after groupBy().

Product::groupBy('category_id')->havingRaw('COUNT(*) > 1')->get();

Eloquent has() deeper

You can use Eloquent has() function to query relationships even two layers deep!

// Author -> hasMany(Book::class);
// Book -> hasMany(Rating::class);
$authors = Author::has('books.ratings')->get();

Has Many. How many exactly?

In Eloquent hasMany() relationships, you can filter out records that have X amount of children records.

// Author -> hasMany(Book::class)
$authors = Author::has('books', '>', 5)->get();

Default model

You can assign a default model in belongsTo relationship, to avoid fatal errors when calling it like {{ $post->user->name }} if $post->user doesn't exist.

public function user()
{
    return $this->belongsTo('App\User')->withDefault();
}

Use hasMany to create Many

If you have hasMany() relationship, you can use saveMany() to save multiple "child" entries from your "parent" object, all in one sentence.

$post = Post::find(1);
$post->comments()->saveMany([
    new Comment(['message' => 'First comment']),
    new Comment(['message' => 'Second comment']),
]);

Multi level Eager Loading

In Laravel you can Eager Load multiple levels in one statement, in this example we not only load the author relation but also the country relation on the author model.

$users = App\Book::with('author.country')->get();

Eager Loading with Exact Columns

You can do Laravel Eager Loading and specify the exact columns you want to get from the relationship.

$users = App\Book::with('author:id,name')->get();

You can do that even in deeper, second level relationships:

$users = App\Book::with('author.country:id,name')->get();

Touch parent updated_at easily

If you are updating a record and want to update the updated_at column of parent relationship (like, you add new post comment and want posts.updated_at to renew), just use $touches = ['post']; property on child model.

class Comment extends Model
{
    protected $touches = ['post'];
}

Always Check if Relationship Exists

Never ever do $model->relationship->field without checking if relationship object still exists.

It may be deleted for whatever reason, outside your code, by someone else's queued job etc. Do if-else, or {{ $model->relationship->field ?? '' }} in Blade, or {{ optional($model->relationship)->field }}. With php8 you can even use the nullsafe operator {{ $model->relationship?->field) }}

Use withCount() to Calculate Child Relationships Records

If you have hasMany() relationship, and you want to calculate “children” entries, don’t write a special query. For example, if you have posts and comments on your User model, write this withCount():

public function index()
{
    $users = User::withCount(['posts', 'comments'])->get();
    return view('users', compact('users'));
}

And then, in your Blade file, you will access those number with {relationship}_count properties:

@foreach ($users as $user)
<tr>
    <td>{{ $user->name }}</td>
    <td class="text-center">{{ $user->posts_count }}</td>
    <td class="text-center">{{ $user->comments_count }}</td>
</tr>
@endforeach

You may also order by that field:

User::withCount('comments')->orderBy('comments_count', 'desc')->get();

Extra Filter Query on Relationships

If you want to load relationship data, you can specify some limitations or ordering in a closure function. For example, if you want to get Countries with only three of their biggest cities, here's the code.

$countries = Country::with(['cities' => function($query) {
    $query->orderBy('population', 'desc');
    $query->take(3);
}])->get();

Load Relationships Always, but Dynamically

You can not only specify what relationships to ALWAYS load with the model, but you can do it dynamically, in the constructor method:

class ProductTag extends Model
{
    protected $with = ['product'];

    public function __construct() {
        parent::__construct();
        $this->with = ['product'];
        
        if (auth()->check()) {
            $this->with[] = 'user';
        }
    }
}

Instead of belongsTo, use hasMany

For belongsTo relationship, instead of passing parent's ID when creating child record, use hasMany relationship to make a shorter sentence.

// if Post -> belongsTo(User), and User -> hasMany(Post)...
// Then instead of passing user_id...
Post::create([
    'user_id' => auth()->id(),
    'title' => request()->input('title'),
    'post_text' => request()->input('post_text'),
]);

// Do this
auth()->user()->posts()->create([
    'title' => request()->input('title'),
    'post_text' => request()->input('post_text'),
]);

Rename Pivot Table

If you want to rename "pivot" word and call your relationship something else, you just use ->as('name') in your relationship.

Model:

public function podcasts() {
    return $this->belongsToMany('App\Podcast')
        ->as('subscription')
        ->withTimestamps();
}

Controller:

$podcasts = $user->podcasts();
foreach ($podcasts as $podcast) {
    // instead of $podcast->pivot->created_at ...
    echo $podcast->subscription->created_at;
}

Update Parent in One Line

If you have a belongsTo() relationship, you can update the Eloquent relationship data in the same sentence:

// if Project -> belongsTo(User::class)
$project->user->update(['email' => 'some@gmail.com']);

Laravel 7+ Foreign Keys

From Laravel 7, in migrations you don't need to write two lines for relationship field - one for the field and one for foreign key. Use method foreignId().

// Before Laravel 7
Schema::table('posts', function (Blueprint $table)) {
    $table->unsignedBigInteger('user_id');
    $table->foreign('user_id')->references('id')->on('users');
}

// From Laravel 7
Schema::table('posts', function (Blueprint $table)) {
    $table->foreignId('user_id')->constrained();
}

// Or, if your field is different from the table reference
Schema::table('posts', function (Blueprint $table)) {
    $table->foreignId('created_by_id')->constrained('users', 'column');
}

Combine Two "whereHas"

In Eloquent, you can combine whereHas() and orDoesntHave() in one sentence.

User::whereHas('roles', function($query) {
    $query->where('id', 1);
})
->orDoesntHave('roles')
->get();

Check if Relationship Method Exists

If your Eloquent relationship names are dynamic and you need to check if relationship with such name exists on the object, use PHP function method_exists($object, $methodName)

$user = User::first();
if (method_exists($user, 'roles')) {
	// Do something with $user->roles()->...
}

Pivot Table with Extra Relations

In many-to-many relationship, your pivot table may contain extra fields, and even extra relationships to other Model.

Then generate a separate Pivot Model:

php artisan make:model RoleUser --pivot

Next, specify it in belongsToMany() with ->using() method. Then you could do magic, like in the example.

// in app/Models/User.php
public function roles()
{
	return $this->belongsToMany(Role::class)
	    ->using(RoleUser::class)
	    ->withPivot(['team_id']);
}

// app/Models/RoleUser.php: notice extends Pivot, not Model
use Illuminate\Database\Eloquent\Relations\Pivot;

class RoleUser extends Pivot
{
	public function team()
	{
	    return $this->belongsTo(Team::class);
	}
}

// Then, in Controller, you can do:
$firstTeam = auth()->user()->roles()->first()->pivot->team->name;

Load Count on-the-fly

In addition to Eloquent's withCount() method to count related records, you can also load the count on-the-fly, with loadCount():

// if your Book hasMany Reviews...
$book = App\Book::first();

$book->loadCount('reviews');
// Then you get access to $book->reviews_count;

// Or even with extra condition
$book->loadCount(['reviews' => function ($query) {
    $query->where('rating', 5);
}]);

Randomize Relationship Order

You can use inRandomOrder() to randomize Eloquent query result, but also you can use it to randomize the relationship entries you're loading with query.

// If you have a quiz and want to randomize questions...

// 1. If you want to get questions in random order:
$questions = Question::inRandomOrder()->get();

// 2. If you want to also get question options in random order:
$questions = Question::with(['answers' => function($q) {
    $q->inRandomOrder();
}])->inRandomOrder()->get();

Filter hasMany relationships

Just a code example from my project, showing the possibility of filtering hasMany relationships.
TagTypes -> hasMany Tags -> hasMany Examples
And you wanna query all the types, with their tags, but only those that have examples, ordering by most examples.

$tag_types = TagType::with(['tags' => function ($query) {
    $query->has('examples')
        ->withCount('examples')
        ->orderBy('examples_count', 'desc');
    }])->get();

Filter by many-to-many relationship pivot column

If you have a many-to-many relationship, and you add an extra column to the pivot table, here's how you can order by it when querying the list.

class Tournament extends Model
{
    public function countries()
    {
        return $this->belongsToMany(Country::class)->withPivot(['position']);
    }
}

class TournamentsController extends Controller

public function whatever_method() {
    $tournaments = Tournament::with(['countries' => function($query) {
            $query->orderBy('position');
        }])->latest()->get();
}

A shorter way to write whereHas

Released in Laravel 8.57: a shorter way to write whereHas() with a simple condition inside.

// Before
User::whereHas('posts', function ($query) {
    $query->where('published_at', '>', now());
})->get();

// After
User::whereRelation('posts', 'published_at', '>', now())->get();

You can add conditions to your relationships

class User
{
    public function posts()
    {
        return $this->hasMany(Post::class);
    }
    
    // with a getter
    public function getPublishedPostsAttribute()
    {
        return $this->posts->filter(fn ($post) => $post->published);
    }
    
    // with a relationship
    public function publishedPosts()
    {
        return $this->hasMany(Post::class)->where('published', true);
    }
}

Tip given by @anwar_nairi

New `whereBelongsTo()` Eloquent query builder method

Laravel 8.63.0 ships with a new whereBelongsTo() Eloquent query builder method. Smiling face with heart-shaped eyes
This allows you to remove BelongsTo foreign key names from your queries, and use the relationship method as a single source of truth instead!

// From:
$query->where('author_id', $author->id)

// To:
$query->whereBelongsTo($author)

// Easily add more advanced filtering:
Post::query()
    ->whereBelongsTo($author)
    ->whereBelongsTo($cateogry)
    ->whereBelongsTo($section)
    ->get();

// Specify a custom relationship:
$query->whereBelongsTo($author, 'author')

Tip given by @danjharrin

Migrations

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Unsigned Integer
Order of Migrations
Migration fields with timezones
Database migrations column types
Default Timestamp
Migration Status
Create Migration with Spaces
Create Column after Another Column
Make migration for existing table
Output SQL before running migrations
Anonymous Migrations
You can add "comment" about a column inside your migrations

Unsigned Integer

For foreign key migrations instead of integer() use unsignedInteger() type or integer()->unsigned(), otherwise you may get SQL errors.

Schema::create('employees', function (Blueprint $table) {
    $table->unsignedInteger('company_id');
    $table->foreign('company_id')->references('id')->on('companies');
    // ...
});

You can also use unsignedBigInteger() if that other column is bigInteger() type.

Schema::create('employees', function (Blueprint $table) {
    $table->unsignedBigInteger('company_id');
});

Order of Migrations

If you want to change the order of DB migrations, just rename the file's timestamp, like from 2018_08_04_070443_create_posts_table.php to2018_07_04_070443_create_posts_table.php (changed from 2018_08_04 to 2018_07_04).

They run in alphabetical order.

Migration fields with timezones

Did you know that in migrations there's not only timestamps() but also timestampsTz(), for the timezone?

Schema::create('employees', function (Blueprint $table) {
    $table->increments('id');
    $table->string('name');
    $table->string('email');
    $table->timestampsTz();
});

Also, there are columns dateTimeTz(), timeTz(), timestampTz(), softDeletesTz().

Database migrations column types

There are interesting column types for migrations, here are a few examples.

$table->geometry('positions');
$table->ipAddress('visitor');
$table->macAddress('device');
$table->point('position');
$table->uuid('id');

See all column types on the official documentation.

Default Timestamp

While creating migrations, you can use timestamp() column type with option useCurrent() and useCurrentOnUpdate(), it will set CURRENT_TIMESTAMP as default value.

$table->timestamp('created_at')->useCurrent();
$table->timestamp('updated_at')->useCurrentOnUpdate();

Migration Status

If you want to check what migrations are executed or not yet, no need to look at the database "migrations" table, you can launch php artisan migrate:status command.

Example result:

+------+------------------------------------------------+-------+
| Ran? | Migration                                      | Batch |
+------+------------------------------------------------+-------+
| Yes  | 2014_10_12_000000_create_users_table           | 1     |
| Yes  | 2014_10_12_100000_create_password_resets_table | 1     |
| No   | 2019_08_19_000000_create_failed_jobs_table     |       |
+------+------------------------------------------------+-------+

Create Migration with Spaces

When typing make:migration command, you don't necessarily have to use underscore _ symbol between parts, like create_transactions_table. You can put the name into quotes and then use spaces instead of underscores.

// This works
php artisan make:migration create_transactions_table

// But this works too
php artisan make:migration "create transactions table"

Source: Steve O on Twitter

Create Column after Another Column

Notice: Only MySQL

If you're adding a new column to the existing table, it doesn't necessarily have to become the last in the list. You can specify after which column it should be created:

Schema::table('users', function (Blueprint $table) {
    $table->string('phone')->after('email');
});

If you're adding a new column to the existing table, it doesn't necessarily have to become the last in the list. You can specify before which column it should be created:

Schema::table('users', function (Blueprint $table) {
    $table->string('phone')->before('created_at');
});

If you want your column to be the first in your table , then use the first method.

Schema::table('users', function (Blueprint $table) {
    $table->string('uuid')->first();
});

Make migration for existing table

If you make a migration for existing table, and you want Laravel to generate the Schema::table() for you, then add "_in_xxxxx_table" at the end, or specify "--table" parameter. php artisan change_fields_products_table generates empty class

class ChangeFieldsProductsTable extends Migration
{
    public function up()
    {
        //
    }
}

But add in_xxxxx_table php artisan make:migration change_fields_in_products_table and it generates class with Schemma::table() pre-fileed

class ChangeFieldsProductsTable extends Migration
{
    public function up()
    {
        Schema::table('products', function (Blueprint $table) {
            //
        })
    };
}

Also you can specify --table parameter php artisan make:migration whatever_you_want --table=products

class WhateverYouWant extends Migration
{
    public function up()
    {
        Schema::table('products', function (Blueprint $table) {
            //
        })
    };
}

Output SQL before running migrations

When typing migrate --pretend command, you get the SQL query that will be executed in the terminal. It's an interesting way to debug SQL if necessary.

// Artisan command
php artisan migrate --pretend

Anonymous Migrations

The Laravel team released Laravel 8.37 with anonymous migration support, which solves a GitHub issue with migration class name collisions. The core of the problem is that if multiple migrations have the same class name, it'll cause issues when trying to recreate the database from scratch. Here's an example from the pull request tests:

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

return new class extends Migration {
    public function up(
    {
        Schema::table('people', function (Blueprint $table) {
            $table->string('first_name')->nullable();
        });
    }

    public function down()
    {
        Schema::table('people', function (Blueprint $table) {
            $table->dropColumn('first_name');
        });
    }
};

Tip given by @nicksdot

You can add "comment" about a column inside your migrations

You can add "comment" about a column inside your migrations and provide useful information.
If database is managed by someone other than developers, they can look at comments in Table structure before performing any operations.

$table->unsignedInteger('interval')
    ->index()
    ->comment('This column is used for indexing.')

Tip given by @Zubairmohsin33

Views

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$loop variable in foreach
Does view file exist?
Error code Blade pages
View without controllers
Blade @auth
Two-level $loop variable in Blade
Create Your Own Blade Directive
Blade Directives: IncludeIf, IncludeWhen, IncludeFirst
Use Laravel Blade-X variable binding to save even more space
Blade components props

$loop variable in foreach

Inside of foreach loop, check if current entry is first/last by just using $loop variable.

@foreach ($users as $user)
     @if ($loop->first)
        This is the first iteration.
     @endif

     @if ($loop->last)
        This is the last iteration.
     @endif

     <p>This is user {{ $user->id }}</p>
@endforeach

There are also other properties like $loop->iteration or $loop->count. Learn more on the official documentation.

Does view file exist?

You can check if View file exists before actually loading it.

if (view()->exists('custom.page')) {
 // Load the view
}

You can even load an array of views and only the first existing will be actually loaded.

return view()->first(['custom.dashboard', 'dashboard'], $data);

Error code Blade pages

If you want to create a specific error page for some HTTP code, like 500 - just create a blade file with this code as filename, in resources/views/errors/500.blade.php, or 403.blade.php etc, and it will automatically be loaded in case of that error code.

View without controllers

If you want route to just show a certain view, don't create a Controller method, just use Route::view() function.

// Instead of this
Route::get('about', 'TextsController@about');
// And this
class TextsController extends Controller
{
    public function about()
    {
        return view('texts.about');
    }
}
// Do this
Route::view('about', 'texts.about');

Blade @auth

Instead of if-statement to check logged in user, use @auth directive.

Typical way:

@if(auth()->user())
    // The user is authenticated.
@endif

Shorter:

@auth
    // The user is authenticated.
@endauth

The opposite is @guest directive:

@guest
    // The user is not authenticated.
@endguest

Two-level $loop variable in Blade

In Blade's foreach you can use $loop variable even in two-level loop to reach parent variable.

@foreach ($users as $user)
    @foreach ($user->posts as $post)
        @if ($loop->parent->first)
            This is first iteration of the parent loop.
        @endif
    @endforeach
@endforeach

Create Your Own Blade Directive

It’s very easy - just add your own method in app/Providers/AppServiceProvider.php. For example, if you want to have this for replace <br> tags with new lines:

<textarea>@br2nl($post->post_text)</textarea>

Add this directive to AppServiceProvider’s boot() method:

public function boot()
{
    Blade::directive('br2nl', function ($string) {
        return "<?php echo preg_replace('/\<br(\s*)?\/?\>/i', \"\n\", $string); ?>";
    });
}

Blade Directives: IncludeIf, IncludeWhen, IncludeFirst

If you are not sure whether your Blade partial file actually would exist, you may use these condition commands:

This will load header only if Blade file exists

@includeIf('partials.header')

This will load header only for user with role_id 1

@includeWhen(auth()->user()->role_id == 1, 'partials.header')

This will try to load adminlte.header, if missing - will load default.header

@includeFirst('adminlte.header', 'default.header')

Use Laravel Blade-X variable binding to save even more space

// Using include, the old way
@include("components.post", ["title" => $post->title])

// Using Blade-X
<x-post link="{{ $post->title }}" />

// Using Blade-X variable binding
<x-post :link="$post->title" />

Tip given by @anwar_nairi

Blade components props

// button.blade.php
@props(['rounded' => false])

<button {{ $attributes->class([
    'bg-red-100 text-red-800',
    'rounded' => $rounded
    ]) }}>
    {{ $slot }}
</button>

// view.blade.php
// Non-rounded:
<x-button>Submit</x-button>

// Rounded:
<x-button rounded>Submit</x-button>

Tip given by @godismyjudge95

Routing

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Route group within a group
Wildcard subdomains
What's behind the routes?
Route Model Binding: You can define a key
Quickly Navigate from Routes file to Controller
Route Fallback: When no Other Route is Matched
Route Parameters Validation with RegExp
Rate Limiting: Global and for Guests/Users
Query string parameters to Routes
Separate Routes by Files
Translate Resource Verbs
Custom Resource Route Names
More Readable Route List
Eager load relationship
Localizing Resource URIs
Resource Controllers naming
Easily highlight your navbar menus
Generate absolute path using route() helper
Override the route binding resolver for each of your models
If you need public URL but you want them to be secured
Using Gate in middleware method

Route group within a group

In Routes, you can create a group within a group, assigning a certain middleware only to some URLs in the "parent" group.

Route::group(['prefix' => 'account', 'as' => 'account.'], function() {
    Route::get('login', 'AccountController@login');
    Route::get('register', 'AccountController@register');
    
    Route::group(['middleware' => 'auth'], function() {
        Route::get('edit', 'AccountController@edit');
    });
});

Wildcard subdomains

You can create route group by dynamic subdomain name, and pass its value to every route.

Route::domain('{username}.workspace.com')->group(function () {
    Route::get('user/{id}', function ($username, $id) {
        //
    });
});

What's behind the routes?

Want to know what routes are actually behind Auth::routes()? From Laravel 7, it’s in a separate package, so check the file /vendor/laravel/ui/src/AuthRouteMethods.php.

public function auth()
{
    return function ($options = []) {
        // Authentication Routes...
        $this->get('login', 'Auth\LoginController@showLoginForm')->name('login');
        $this->post('login', 'Auth\LoginController@login');
        $this->post('logout', 'Auth\LoginController@logout')->name('logout');
        // Registration Routes...
        if ($options['register'] ?? true) {
            $this->get('register', 'Auth\RegisterController@showRegistrationForm')->name('register');
            $this->post('register', 'Auth\RegisterController@register');
        }
        // Password Reset Routes...
        if ($options['reset'] ?? true) {
            $this->resetPassword();
        }
        // Password Confirmation Routes...
        if ($options['confirm'] ?? class_exists($this->prependGroupNamespace('Auth\ConfirmPasswordController'))) {
            $this->confirmPassword();
        }
        // Email Verification Routes...
        if ($options['verify'] ?? false) {
            $this->emailVerification();
        }
    };
}

Before Laravel 7, check the file /vendor/laravel/framework/src/illuminate/Routing/Router.php.

Route Model Binding: You can define a key

You can do Route model binding like Route::get('api/users/{user}', function (App\User $user) { … } - but not only by ID field. If you want {user} to be a username field, put this in the model:

public function getRouteKeyName() {
    return 'username';
}

Quickly Navigate from Routes file to Controller

This thing was optional before Laravel 8, and became a standard main syntax of routing in Laravel 8.

Instead of routing like this:

Route::get('page', 'PageController@action');

You can specify the Controller as a class:

Route::get('page', [\App\Http\Controllers\PageController::class, 'action']);

Then you will be able to click on PageController in PhpStorm, and navigate directly to Controller, instead of searching for it manually.

Or, to make it shorter, add this to top of Routes file:

use App\Http\Controllers\PageController;

// Then:
Route::get('page', [PageController::class, 'action']);

Route Fallback: When no Other Route is Matched

If you want to specify additional logic for not-found routes, instead of just throwing default 404 page, you may create a special Route for that, at the very end of your Routes file.

Route::group(['middleware' => ['auth'], 'prefix' => 'admin', 'as' => 'admin.'], function () {
    Route::get('/home', 'HomeController@index');
    Route::resource('tasks', 'Admin\TasksController');
});

// Some more routes....
Route::fallback(function() {
    return 'Hm, why did you land here somehow?';
});

Route Parameters Validation with RegExp

We can validate parameters directly in the route, with “where” parameter. A pretty typical case is to prefix your routes by language locale, like fr/blog and en/article/333. How do we ensure that those two first letters are not used for some other than language?

routes/web.php:

Route::group([
    'prefix' => '{locale}',
    'where' => ['locale' => '[a-zA-Z]{2}']
], function () {
    Route::get('/', 'HomeController@index');
    Route::get('article/{id}', 'ArticleController@show');
});

Rate Limiting: Global and for Guests/Users

You can limit some URL to be called a maximum of 60 times per minute, with throttle:60,1:

Route::middleware('auth:api', 'throttle:60,1')->group(function () {
    Route::get('/user', function () {
        //
    });
});

But also, you can do it separately for public and for logged-in users:

// maximum of 10 requests for guests, 60 for authenticated users
Route::middleware('throttle:10|60,1')->group(function () {
    //
});

Also, you can have a DB field users.rate_limit and limit the amount for specific user:

Route::middleware('auth:api', 'throttle:rate_limit,1')->group(function () {
    Route::get('/user', function () {
        //
    });
});

Query string parameters to Routes

If you pass additional parameters to the route, in the array, those key / value pairs will automatically be added to the generated URL's query string.

Route::get('user/{id}/profile', function ($id) {
    //
})->name('profile');

$url = route('profile', ['id' => 1, 'photos' => 'yes']); // Result: /user/1/profile?photos=yes

Separate Routes by Files

If you have a set of routes related to a certain "section", you may separate them in a special routes/XXXXX.php file, and just include it in routes/web.php

Example with routes/auth.php in Laravel Breeze by Taylor Otwell himself:

Route::get('/', function () {
    return view('welcome');
});

Route::get('/dashboard', function () {
    return view('dashboard');
})->middleware(['auth'])->name('dashboard');

require __DIR__.'/auth.php';

Then, in routes/auth.php:

use App\Http\Controllers\Auth\AuthenticatedSessionController;
use App\Http\Controllers\Auth\RegisteredUserController;
// ... more controllers

use Illuminate\Support\Facades\Route;

Route::get('/register', [RegisteredUserController::class, 'create'])
                ->middleware('guest')
                ->name('register');

Route::post('/register', [RegisteredUserController::class, 'store'])
                ->middleware('guest');

// ... A dozen more routes

But you should use this include() only when that separate route file has the same settings for prefix/middlewares, otherwise it's better to group them in app/Providers/RouteServiceProvider:

public function boot()
{
    $this->configureRateLimiting();

    $this->routes(function () {
        Route::prefix('api')
            ->middleware('api')
            ->namespace($this->namespace)
            ->group(base_path('routes/api.php'));

        Route::middleware('web')
            ->namespace($this->namespace)
            ->group(base_path('routes/web.php'));

        // ... Your routes file listed next here
    });
}

Translate Resource Verbs

If you use resource controllers, but want to change URL verbs to non-English for SEO purposes, so instead of /create you want Spanish /crear, you can configure it by using Route::resourceVerbs() method in App\Providers\RouteServiceProvider:

public function boot()
{
    Route::resourceVerbs([
        'create' => 'crear',
        'edit' => 'editar',
    ]);

    // ...
}

Custom Resource Route Names

When using Resource Controllers, in routes/web.php you can specify ->names() parameter, so the URL prefix in the browser and the route name prefix you use all over Laravel project may be different.

Route::resource('p', ProductController::class)->names('products');

So this code above will generate URLs like /p, /p/{id}, /p/{id}/edit, etc. But you would call them in the code by route('products.index'), route('products.create'), etc.

Eager load relationship

If you use Route Model Binding and think you can't use Eager Loading for relationships, think again.
So you use Route Model Binding

public function show(Product $product) {
    //
}

But you have a belongsTo relationship, and cannot use $product->with('category') eager loading?
You actually can! Load the relationship with ->load()

public function show(Product $product) {
    $product->load('category');
    //
}

Localizing Resource URIs

If you use resource controllers, but want to change URL verbs to non-English, so instead of /create you want Spanish /crear, you can configure it with Route::resourceVerbs() method.

public function boot()
{
    Route::resourceVerbs([
        'create' => 'crear',
        'edit' => 'editar',
    ]);
    //
}

Resource Controllers naming

In Resource Controllers, in routes/web.php you can specify ->names() parameter, so the URL prefix and the route name prefix may be different.
This will generate URLs like /p, /p/{id}, /p/{id}/edit etc. But you would call them:

route('products.index)
route('products.create)
etc

Route::resource('p', \App\Http\Controllers\ProductController::class)->names('products');

Easily highlight your navbar menus

Use Route::is('route-name') to easily highlight your navbar menus

<ul>
    <li @if(Route::is('home')) class="active" @endif>
        <a href="/">Home</a>
    </li>
    <li @if(Route::is('contact-us')) class="active" @endif>
        <a href="/contact-us">Contact us</a>
    </li>
</ul>

Tip given by @anwar_nairi

Generate absolute path using route() helper

route('page.show', $page->id);
// http://laravel.test/pages/1

route('page.show', $page->id, false);
// /pages/1

Tip given by @oliverds_

Override the route binding resolver for each of your models

You can override the route binding resolver for each of your models. In this example, I have no control over the @ sign in the URL, so using the resolveRouteBinding method, I'm able to remove the @ sign and resolve the model.

// Route
Route::get('{product:slug}', Controller::class);

// Request
https://nodejs.pub/@unlock/hello-world

// Product Model
public function resolveRouteBinding($value, $field = null)
{
    $value = str_replace('@', '', $value);
    
    return parent::resolveRouteBinding($value, $field);
}

Tip given by @Philo01

If you need public URL but you want them to be secured

If you need public URL but you want them to be secured, use Laravel signed URL

class AccountController extends Controller
{
    public function destroy(Request $request)
    {
        $confirmDeleteUrl = URL::signedRoute('confirm-destroy', [
            $user => $request->user()
        ]);
        // Send link by email...
    }
    
    public function confirmDestroy(Request $request, User $user)
    {
        if (! $request->hasValidSignature()) {
            abort(403);
        }
        
        // User confirmed by clikcing on the email
        $user->delete();
        
        return redirect()->route('home');
    }
}

Tip given by @anwar_nairi

Using Gate in middleware method

You can use the gates you specified in App\Providers\AuthServiceProvider in middleware method.

To do this, you just need to put inside the can: and the names of the necessary gates.

Route::put('/post/{post}', function (Post $post) {
    // The current user may update the post...
})->middleware('can:update,post');

Validation

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Image validation
Custom validation error messages
Validate dates with "now" or "yesterday" words
Validation Rule with Some Conditions
Change Default Validation Messages
Prepare for Validation
Stop on First Validation Error
Throw 422 status code without using validate() or Form Request
Rules depending on some other conditions
With Rule::when() we can conditionally apply validation rules
Use this property in the request classes to stop the validation of the whole request attributes
Rule::unique doesn't take into the SoftDeletes Global Scope applied on the Model
Validator::sometimes() method allows us to define when a validation rule should be applied

Image validation

While validating uploaded images, you can specify the dimensions you require.

['photo' => 'dimensions:max_width=4096,max_height=4096']

Custom validation error messages

You can customize validation error messages per field, rule and language - just create a specific language file resources/lang/xx/validation.php with appropriate array structure.

'custom' => [
     'email' => [
        'required' => 'We need to know your e-mail address!',
     ],
],

Validate dates with "now" or "yesterday" words

You can validate dates by rules before/after and passing various strings as a parameter, like: tomorrow, now, yesterday. Example: 'start_date' => 'after:now'. It's using strtotime() under the hood.

$rules = [
    'start_date' => 'after:tomorrow',
    'end_date' => 'after:start_date'
];

Validation Rule with Some Conditions

If your validation rules depend on some condition, you can modify the rules by adding withValidator() to your FormRequest class, and specify your custom logic there. Like, if you want to add validation rule only for some user role.

use Illuminate\Validation\Validator;
class StoreBlogCategoryRequest extends FormRequest {
    public function withValidator(Validator $validator) {
        if (auth()->user()->is_admin) {
            $validator->addRules(['some_secret_password' => 'required']);
        }
    }
}

Change Default Validation Messages

If you want to change default validation error message for specific field and specific validation rule, just add a messages() method into your FormRequest class.

class StoreUserRequest extends FormRequest
{
    public function rules()
    {
        return ['name' => 'required'];
    }
    
    public function messages()
    {
        return ['name.required' => 'User name should be real name'];
    }
}

Prepare for Validation

If you want to modify some field before default Laravel validation, or, in other words, "prepare" that field, guess what - there's a method prepareForValidation() in FormRequest class:

protected function prepareForValidation()
{
    $this->merge([
        'slug' => Illuminate\Support\Str::slug($this->slug),
    ]);
}

Stop on First Validation Error

By default, Laravel validation errors will be returned in a list, checking all validation rules. But if you want the process to stop after the first error, use validation rule called bail:

$request->validate([
    'title' => 'bail|required|unique:posts|max:255',
    'body' => 'required',
]);

Throw 422 status code without using validate() or Form Request

If you don't use validate() or Form Request, but still need to throw errors with the same 422 status code and error structure, you can do it manually throw ValidationException::withMessages()

if (! $user || ! Hash::check($request->password, $user->password)) {
    throw ValidationException::withMessages([
        'email' => ['The provided credentials are incorrect.'],
    ]);
}

Rules depending on some other conditions

If your rules are dynamic and depend on some other condition, you can create that array of rules on the fly

    public function store(Request $request)
    {
        $validationArray = [
            'title' => 'required',
            'company' => 'required',
            'logo' => 'file|max:2048',
            'location' => 'required',
            'apply_link' => 'required|url',
            'content' => 'required',
            'payment_method_id' => 'required'
        ];

        if (!Auth::check()) {
            $validationArray = array_merge($validationArray, [
                'email' => 'required|email|unique:users',
                'password' => 'required|confirmed|min:5',
                'name' => 'required'
            ]);
        }
        //
    }

With Rule::when() we can conditionally apply validation rules

Thanks to Rule::when() we can conditionally apply validation rules in laravel.
In this example we validate the value of the vote only if the user can actually vote the post.

use Illuminate\Validation\Rule;

public function rules()
{
    return [
        'vote' => Rule::when($user->can('vote', $post), 'required|int|between:1,5'),
    ]
}

Tip given by @cerbero90

Use this property in the request classes to stop the validation of the whole request attributes

Use this property in the request classes to stop the validation of the whole request attributes.

Hint Direct
This is different from Bail rule that stops the validation for just a single attribute if one of its rules doesn't validate.

/**
* Indicated if the validator should stop
 * the entire validation once a single
 * rule failure has occurred.
 */
protected $stopOnFirstFailure = true;

Tip given by @Sala7JR

Rule::unique doesn't take into the SoftDeletes Global Scope applied on the Model

Strange that Rule::unique doesn't take into the SoftDeletes Global Scope applied on the Model, by default.
But withoutTrashed() method is available

Rule::unique('users', 'email')->withoutTrashed();

Tip given by @Zubairmohsin33

Validator::sometimes() method allows us to define when a validation rule should be applied

The laravel Validator::sometimes() method allows us to define when a validation rule should be applied, based on the input provided.
The snippet shows how to prohibit the use of a coupon if the quantity of the purchased items is not enough.

$data = [
    'coupon' => 'PIZZA_PARTY',
    'items' => [
        [
            'id' => 1,
            'quantity' => 2
        ],
        [
            'id' => 2,
            'quantity' => 2,
        ],
    ],
];

$validator = Validator::make($data, [
    'coupon' => 'exists:coupons,name',
    'items' => 'required|array',
    'items.*.id' => 'required|int',
    'items.*.quantity' => 'required|int',
]);

$validator->sometimes('coupon', 'prohibited', function (Fluent $data) {
    return collect($data->items)->sum('quantity') < 5;
});

// throws a ValidationException as the quantity provided is not enough
$validator->validate();

Tip given by @cerbero90

Collections

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Don’t Filter by NULL in Collections
Use groupBy on Collections with Custom Callback Function
Multiple Collection Methods in a Row
Calculate Sum with Pagination
Serial no. in foreach loop with pagination
Higher order collection methods

Don’t Filter by NULL in Collections

You can filter by NULL in Eloquent, but if you're filtering the collection further - filter by empty string, there's no "null" in that field anymore.

// This works
$messages = Message::where('read_at is null')->get();

// Won’t work - will return 0 messages
$messages = Message::all();
$unread_messages = $messages->where('read_at is null')->count();

// Will work
$unread_messages = $messages->where('read_at', '')->count();

Use groupBy on Collections with Custom Callback Function

If you want to group result by some condition which isn’t a direct column in your database, you can do that by providing a closure function.

For example, if you want to group users by day of registration, here’s the code:

$users = User::all()->groupBy(function($item) {
    return $item->created_at->format('Y-m-d');
});

⚠️ Notice: it is done on a Collection class, so performed AFTER the results are fetched from the database.

Multiple Collection Methods in a Row

If you query all results with ->all() or ->get(), you may then perform various Collection operations on the same result, it won’t query database every time.

$users = User::all();
echo 'Max ID: ' . $users->max('id');
echo 'Average age: ' . $users->avg('age');
echo 'Total budget: ' . $users->sum('budget');

Calculate Sum with Pagination

How to calculate the sum of all records when you have only the PAGINATED collection? Do the calculation BEFORE the pagination, but from the same query.

// How to get sum of post_views with pagination?
$posts = Post::paginate(10);
// This will be only for page 1, not ALL posts
$sum = $posts->sum('post_views');

// Do this with Query Builder
$query = Post::query();
// Calculate sum
$sum = $query->sum('post_views');
// And then do the pagination from the same query
$posts = $query->paginate(10);

Serial no in foreach loop with pagination

We can use foreach collection items index as serial no (SL) in pagination.

   ...
   <th>Serial</th>
    ...
    @foreach ($products as $product)
    <tr>
        <td>{{ $loop->index + $product->firstItem() }}</td>
        ...
    @endforeach

it will solve the issue of next pages(?page=2&...) index count from continue.

Higher order collection methods

Collections have higher order methods, this are methods that can be chained , like groupBy() , map() ... Giving you a fluid syntax. This example calculates the price per group of products on an offer.

$offer = [
        'name'  => 'offer1',
        'lines' => [
            ['group' => 1, 'price' => 10],
            ['group' => 1, 'price' => 20],
            ['group' => 2, 'price' => 30],
            ['group' => 2, 'price' => 40],
            ['group' => 3, 'price' => 50],
            ['group' => 3, 'price' => 60]
        ]
];
                
$totalPerGroup = collect($offer->lines)->groupBy('group')->map(fn($group) => $group->sum('price'));

Auth

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Check Multiple Permissions at Once
More Events on User Registration
Did you know about Auth::once()?
Change API Token on users password update
Override Permissions for Super Admin

Check Multiple Permissions at Once

In addition to @can Blade directive, did you know you can check multiple permissions at once with @canany directive?

@canany(['update', 'view', 'delete'], $post)
    // The current user can update, view, or delete the post
@elsecanany(['create'], \App\Post::class)
    // The current user can create a post
@endcanany

More Events on User Registration

Want to perform some actions after new user registration? Head to app/Providers/EventServiceProvider.php and add more Listeners classes, and then in those classes implement handle() method with $event->user object

class EventServiceProvider extends ServiceProvider
{
    protected $listen = [
        Registered::class => [
            SendEmailVerificationNotification::class,

            // You can add any Listener class here
            // With handle() method inside of that class
        ],
    ];

Did you know about Auth::once()?

You can login with user only for ONE REQUEST, using method Auth::once().
No sessions or cookies will be utilized, which means this method may be helpful when building a stateless API.

if (Auth::once($credentials)) {
    //
}

Change API Token on users password update

It's convenient to change the user's API Token when its password changes.

Model:

public function setPasswordAttribute($value)
{
    $this->attributes['password'] = $value;
    $this->attributes['api_token'] = Str::random(100);
}

Override Permissions for Super Admin

If you've defined your Gates but want to override all permissions for SUPER ADMIN user, to give that superadmin ALL permissions, you can intercept gates with Gate::before() statement, in AuthServiceProvider.php file.

// Intercept any Gate and check if it's super admin
Gate::before(function($user, $ability) {
    if ($user->is_super_admin == 1) {
        return true;
    }
});

// Or if you use some permissions package...
Gate::before(function($user, $ability) {
    if ($user->hasPermission('root')) {
        return true;
    }
});

Mail

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Testing email into laravel.log
Preview Mailables
Default Email Subject in Laravel Notifications
Send Notifications to Anyone

Testing email into laravel.log

If you want to test email contents in your app but unable or unwilling to set up something like Mailgun, use .env parameter MAIL_DRIVER=log and all the email will be saved into storage/logs/laravel.log file, instead of actually being sent.

Preview Mailables

If you use Mailables to send email, you can preview the result without sending, directly in your browser. Just return a Mailable as route result:

Route::get('/mailable', function () {
    $invoice = App\Invoice::find(1);
    return new App\Mail\InvoicePaid($invoice);
});

Default Email Subject in Laravel Notifications

If you send Laravel Notification and don't specify subject in toMail(), default subject is your notification class name, CamelCased into Spaces.

So, if you have:

class UserRegistrationEmail extends Notification {
    //
}

Then you will receive an email with subject User Registration Email.

Send Notifications to Anyone

You can send Laravel Notifications not only to a certain user with $user->notify(), but also to anyone you want, via Notification::route(), with so-called "on-demand" notifications:

Notification::route('mail', 'taylor@example.com')
        ->route('nexmo', '5555555555')
        ->route('slack', 'https://hooks.slack.com/services/...')
        ->notify(new InvoicePaid($invoice));

Artisan

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Artisan command parameters
Maintenance Mode
Artisan command help
Exact Laravel version
Launch Artisan command from anywhere

Artisan command parameters

When creating Artisan command, you can ask the input in variety of ways: $this->confirm(), $this->anticipate(), $this->choice().

// Yes or no?
if ($this->confirm('Do you wish to continue?')) {
    //
}

// Open question with auto-complete options
$name = $this->anticipate('What is your name?', ['Taylor', 'Dayle']);

// One of the listed options with default index
$name = $this->choice('What is your name?', ['Taylor', 'Dayle'], $defaultIndex);

Maintenance Mode

If you want to enable maintenance mode on your page, execute the down Artisan command:

php artisan down

Then people would see default 503 status page.

You may also provide flags, in Laravel 8:

the path the user should be redirected to
the view that should be prerendered
secret phrase to bypass maintenance mode
status code during maintenance mode
retry page reload every X seconds

php artisan down --redirect="/" --render="errors::503" --secret="1630542a-246b-4b66-afa1-dd72a4c43515" --status=200 --retry=60

Before Laravel 8:

message that would be shown
retry page reload every X seconds
still allow the access to some IP address

php artisan down --message="Upgrading Database" --retry=60 --allow=127.0.0.1

When you've done the maintenance work, just run:

php artisan up

Artisan command help

To check the options of artisan command, Run artisan commands with --help flag. For example, php artisan make:model --help and see how many options you have:

Options:
  -a, --all             Generate a migration, seeder, factory, and resource controller for the model
  -c, --controller      Create a new controller for the model
  -f, --factory         Create a new factory for the model
      --force           Create the class even if the model already exists
  -m, --migration       Create a new migration file for the model
  -s, --seed            Create a new seeder file for the model
  -p, --pivot           Indicates if the generated model should be a custom intermediate table model
  -r, --resource        Indicates if the generated controller should be a resource controller
      --api             Indicates if the generated controller should be an API controller
  -h, --help            Display this help message
  -q, --quiet           Do not output any message
  -V, --version         Display this application version
      --ansi            Force ANSI output
      --no-ansi         Disable ANSI output
  -n, --no-interaction  Do not ask any interactive question
      --env[=ENV]       The environment the command should run under
  -v|vv|vvv, --verbose  Increase the verbosity of messages: 1 for normal output, 2 for more verbose output and 3 for debug

Exact Laravel version

Find out exactly what Laravel version you have in your app, by running command php artisan --version

Launch Artisan command from anywhere

If you have an Artisan command, you can launch it not only from Terminal, but also from anywhere in your code, with parameters. Use Artisan::call() method:

Route::get('/foo', function () {
    $exitCode = Artisan::call('email:send', [
        'user' => 1, '--queue' => 'default'
    ]);

    //
});

Factories

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Factory callbacks
Generate Images with Seeds/Factories
Override values and apply custom login to them
Using factories with relationships

Factory callbacks

While using factories for seeding data, you can provide Factory Callback functions to perform some action after record is inserted.

$factory->afterCreating(App\User::class, function ($user, $faker) {
    $user->accounts()->save(factory(App\Account::class)->make());
});

Generate Images with Seeds/Factories

Did you know that Faker can generate not only text values but also IMAGES? See avatar field here - it will generate 50x50 image:

$factory->define(User::class, function (Faker $faker) {
    return [
        'name' => $faker->name,
        'email' => $faker->unique()->safeEmail,
        'email_verified_at' => now(),
        'password' => bcrypt('password'),
        'remember_token' => Str::random(10),
        'avatar' => $faker->image(storage_path('images'), 50, 50)
    ];
});

Override values and apply custom login to them

When creating records with Factories, you can use Sequence class to override some values and apply custom logic to them.

$users = User::factory()
                ->count(10)
                ->state(new Sequence(
                    ['admin' => 'Y'],
                    ['admin' => 'N'],
                ))
                ->create();

Using factories with relationships

When using factories with relationships, Laravel also provides magic methods.

// magic factory relationship methods
User::factory()->hasPosts(3)->create();

// instead of
User::factory()->has(Post::factory()->count(3))->create();

Tip given by @oliverds_

Log and debug

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Logging with parameters
More convenient DD
Log with context
Quickly output an Eloquent query in its SQL form

Logging with parameters

You can write Log::info(), or shorter info() message with additional parameters, for more context about what happened.

Log::info('User failed to login.', ['id' => $user->id]);

More convenient DD

Instead of doing dd($result) you can put ->dd() as a method directly at the end of your Eloquent sentence, or any Collection.

// Instead of
$users = User::where('name', 'Taylor')->get();
dd($users);
// Do this
$users = User::where('name', 'Taylor')->get()->dd();

Log with context

New in Laravel 8.49: Log::withContext() will help you to differentiate the Log messages between different requests.
If you create a Middleware and set this context, all Log messages will contain that context, and you'll be able to search them easier.

public function handle(Request $request, Closure $next)
{
    $requestId = (string) Str::uuid();

    Log::withContext(['request-id' => $requestId]);

    $response = $next($request);

    $response->header('request-id', $requestId);

    return $response;
}

Quickly output an Eloquent query in its SQL form

If you want to quickly output an Eloquent query in its SQL form, you can invoke the toSql() method onto it like so

$invoices = Invoice::where('client', 'James pay')->toSql();

dd($invoices)
// select * from `invoices` where `client` = ?

Tip given by @devThaer

API

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API Resources: With or Without "data"?
API Return "Everything went ok"

API Resources: With or Without "data"?

If you use Eloquent API Resources to return data, they will be automatically wrapped in 'data'. If you want to remove it, add JsonResource::withoutWrapping(); in app/Providers/AppServiceProvider.php.

class AppServiceProvider extends ServiceProvider
{
    public function boot()
    {
        JsonResource::withoutWrapping();
    }
}

Tip given by @phillipmwaniki

API Return "Everything went ok"

If you have API endpoint which performs some operations but has no response, so you wanna return just "everything went ok", you may return 204 status code "No content". In Laravel, it's easy: return response()->noContent();.

public function reorder(Request $request)
{
    foreach ($request->input('rows', []) as $row) {
        Country::find($row['id'])->update(['position' => $row['position']]);
    }

    return response()->noContent();
}

Other

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Localhost in .env
When (NOT) to run "composer update"
Composer: check for newer versions
Auto-Capitalize Translations
Carbon with Only Hours
Single Action Controllers
Redirect to Specific Controller Method
Use Older Laravel Version
Add Parameters to Pagination Links
Repeatable Callback Functions
Request: has any
Simple Pagination
Data Get Function
Blade directive to add true/false conditions
Jobs can be used without queues
Use faker outside factories or seeders
Schedule things
Search Laravel docs
Filter route:list
Blade directive for not repeating yourself
Artisan commands help
Disable lazy loading when running your tests
Using two amazing helpers in Laravel will bring magic results
Request parameter default value
Pass middleware directly into the route without register it
Transforming an array to CssClasses
"upcomingInvoice" method in Laravel Cashier (Stripe)
Laravel Request exists() vs has()
There are multiple ways to return a view with variables
Schedule regular shell commands
HTTP client request without verifying

Localhost in .env

Don't forget to change APP_URL in your .env file from http://localhost to the real URL, cause it will be the basis for any links in your email notifications and elsewhere.

APP_NAME=Laravel
APP_ENV=local
APP_KEY=base64:9PHz3TL5C4YrdV6Gg/Xkkmx9btaE93j7rQTUZWm2MqU=
APP_DEBUG=true
APP_URL=http://localhost

When (NOT) to run "composer update"

Not so much about Laravel, but... Never run composer update on production live server, it's slow and will "break" repository. Always run composer update locally on your computer, commit new composer.lock to the repository, and run composer install on the live server.

Composer: Check for Newer Versions

If you want to find out which of your composer.json packages have released newer versions, just run composer outdated. You will get a full list with all information, like this below.

phpdocumentor/type-resolver 0.4.0 0.7.1
phpunit/php-code-coverage   6.1.4 7.0.3 Library that provides collection, processing, and rende...
phpunit/phpunit             7.5.9 8.1.3 The PHP Unit Testing framework.
ralouphie/getallheaders     2.0.5 3.0.3 A polyfill for getallheaders.
sebastian/global-state      2.0.0 3.0.0 Snapshotting of global state

Auto-Capitalize Translations

In translation files (resources/lang), you can specify variables not only as :variable, but also capitalized as :VARIABLE or :Variable - and then whatever value you pass - will be also capitalized automatically.

// resources/lang/en/messages.php
'welcome' => 'Welcome, :Name'

// Result: "Welcome, Taylor"
echo __('messages.welcome', ['name' => 'taylor']);

Carbon with Only Hours

If you want to have a current date without seconds and/or minutes, use Carbon's methods like setSeconds(0) or setMinutes(0).

// 2020-04-20 08:12:34
echo now();

// 2020-04-20 08:12:00
echo now()->setSeconds(0);

// 2020-04-20 08:00:00
echo now()->setSeconds(0)->setMinutes(0);

// Another way - even shorter
echo now()->startOfHour();

Single Action Controllers

If you want to create a controller with just one action, you can use __invoke() method and even create "invokable" controller.

Route:

Route::get('user/{id}', 'ShowProfile');

Artisan:

php artisan make:controller ShowProfile --invokable

Controller:

class ShowProfile extends Controller
{
    public function __invoke($id)
    {
        return view('user.profile', [
            'user' => User::findOrFail($id)
        ]);
    }
}

Redirect to Specific Controller Method

You can redirect() not only to URL or specific route, but to a specific Controller's specific method, and even pass the parameters. Use this:

return redirect()->action('SomeController@method', ['param' => $value]);

Use Older Laravel Version

If you want to use OLDER version instead of the newest Laravel, use this command:

composer create-project --prefer-dist laravel/laravel project "7.*"

Change 7.* to whichever version you want.

Add Parameters to Pagination Links

In default Pagination links, you can pass additional parameters, preserve the original query string, or even point to a specific #xxxxx anchor.

{{ $users->appends(['sort' => 'votes'])->links() }}

{{ $users->withQueryString()->links() }}

{{ $users->fragment('foo')->links() }}

Repeatable Callback Functions

If you have a callback function that you need to re-use multiple times, you can assign it to a variable, and then re-use.

$userCondition = function ($query) {
    $query->where('user_id', auth()->id());
};

// Get articles that have comments from this user
// And return only those comments from this user
$articles = Article::with(['comments' => $userCondition])
    ->whereHas('comments', $userCondition)
    ->get();

Request: has any

You can check not only one parameter with $request->has() method, but also check for multiple parameters present, with $request->hasAny():

public function store(Request $request) 
{
    if ($request->hasAny(['api_key', 'token'])) {
        echo 'We have API key passed';
    } else {
        echo 'No authorization parameter';
    }
}

Simple Pagination

In pagination, if you want to have just "Previous/next" links instead of all the page numbers (and have fewer DB queries because of that), just change paginate() to simplePaginate():

// Instead of 
$users = User::paginate(10);

// You can do this
$users = User::simplePaginate(10);

Data Get Function

If you have an array complex data structure, for example a nested array with objects. You can use data_get() helper function retrieves a value from a nested array or object using "dot" notation and wildcard:

// We have an array
[ 
  0 => 
	['user_id' =>'some user id', 'created_at' => 'some timestamp', 'product' => {object Product}, etc], 
  1 =>  
  	['user_id' =>'some user id', 'created_at' => 'some timestamp', 'product' => {object Product}, etc],  
  2 =>  etc
]

// Now we want to get all products ids. We can do like this:

data_get($yourArray,  '*.product.id');

// Now we have all products ids [1, 2, 3, 4, 5, etc...]

Blade directive to add true/false conditions

New in Laravel 8.51: @class Blade directive to add true/false conditions on whether some CSS class should be added. Read more in docs
Before:

<div class="@if ($active) underline @endif">`

Now:

<div @class(['underline' => $active])>

@php
    $isActive = false;
    $hasError = true;
@endphp

<span @class([
    'p-4',
    'font-bold' => $isActive,
    'text-gray-500' => ! $isActive,
    'bg-red' => $hasError,
])></span>

<span class="p-4 text-gray-500 bg-red"></span>

Tip given by @Teacoders

Jobs can be used without queues

Jobs are discussed in the "Queues" section of the docs, but you can use Jobs without queues, just as classes to delegate tasks to. Just call $this->dispatchNow() from Controllers

public function approve(Article $article)
{
    //
    $this->dispatchNow(new ApproveArticle($article));
    //
}

Use faker outside factories or seeders

If you want to generate some fake data, you can use Faker even outside factories or seeds, in any class.
Keep in mind: to use it in production, you need to move faker from "require-dev" to "require" in composer.json

use Faker;

class WhateverController extends Controller
{
    public function whatever_method()
    {
        $faker = Faker\Factory::create();
        $address = $faker->streetAddress;
    }
}

Schedule things

You can schedule things to run daily/hourly in a lot of different structures.
You can schedule an artisan command, a Job class, an invokable class, a callback function, and even execute a shell script.

use App\Jobs\Heartbeat;

$schedule->job(new Heartbeat)->everyFiveMinutes();

$schedule->exec('node /home/forge/script.js')->daily();

use App\Console\Commands\SendEmailsCommand;

$schedule->command('emails:send Taylor --force')->daily();

$schedule->command(SendEmailsCommand::class, ['Taylor', '--force'])->daily();

protected function schedule(Schedule $schedule)
{
    $schedule->call(function () {
        DB::table('recent_users')->delete();
    })->daily();
}

Search Laravel docs

If you want to search Laravel Docs for some keyword, by default it gives you only the TOP 5 results. Maybe there are more?
If you want to see ALL results, you may go to the Github Laravel docs repository and search there directly. https://github.com/laravel/docs

Filter route:list

New in Laravel 8.34: php artisan route:list gets additional flag --except-path, so you would filter out the routes you don't want to see. [See original PR](New in Laravel 8.34: php artisan route:list gets additional flag --except-path, so you would filter out the routes you don't want to see. See original PR

Blade directive for not repeating yourself

If you keep doing the same formatting of the data in multiple Blade files, you may create your own Blade directive.
Here's an example of money amount formatting using the method from Laravel Cashier.

"require": {
        "laravel/cashier": "^12.9",
}

public function boot()
{
    Blade::directive('money', function ($expression) {
        return "<?php echo Laravel\Cashier\Cashier::formatAmount($expression, config('cashier.currency')); ?>";
    });
}

<div>Price: @money($book->price)</div>
@if($book->discount_price)
    <div>Discounted price: @money($book->dicount_price)</div>
@endif

Artisan commands help

If you are not sure about the parameters of some Artisan command, or you want to know what parameters are available, just type php artisan help [a command you want].

Disable lazy loading when running your tests

If you don't want to prevent lazy loading when running your tests you can disable it

Model::preventLazyLoading(!$this->app->isProduction() && !$this->app->runningUnitTests());

Tip given by @djgeisi

Using two amazing helpers in Laravel will bring magic results

Using two amazing helpers in Laravel will bring magic results...
In this case, the service will be called and retried (retry). If it stills failing, it will be reported, but the request won't fail (rescue)

rescue(function () {
    retry(5, function () {
        $this->service->callSomething();
    }, 200);
});

Tip given by @JuanDMeGon

Request parameter default value

Here we are checking if there is a per_page (or any other parameter) value then we will use it, otherwise, we will use a default one.

// Isteand of this
$perPage = request()->per_page ? request()->per_page : 20;

// You can do this
$perPage = request('per_page', 20);

Tip given by @devThaer

Pass middleware directly into the route without register it

Route::get('posts', PostController::class)
    ->middleware(['auth', CustomMiddleware::class])

Tip given by @sky_0xs

Transforming an array to CssClasses

use Illuminate\Support\Arr;

$array = ['p-4', 'font-bold' => $isActive, 'bg-red' => $hasError];

$isActive = false;
$hasError = true;

$classes = Arr::toCssClasses($array);

/*
 * 'p-4 bg-red'
 */

Tip given by @dietsedev

"upcomingInvoice" method in Laravel Cashier (Stripe)

You can show how much a customer will pay in the next billing cycle.
There is a "upcomingInvoice" method in Laravel Cashier (Stripe) to get the upcoming invoice details.

Route::get('/profile/invoices', function (Request $request) {
    return view('/profile/invoices', [
        'upcomingInvoice' => $request->user()->upcomingInvoice(),
        'invoices' => $request-user()->invoices(),
    ]);
});

Tip given by @oliverds_

Laravel Request exists() vs has()

// https://example.com?popular
$request->exists('popular') // true
$request->has('popular') // false 

// https://example.com?popular=foo
$request->exists('popular') // true
$request->has('popular') // true

Tip given by @coderahuljat

There are multiple ways to return a view with variables

// First way ->with()
return view('index')
    ->with('projects', $projects)
    ->with('tasks', $tasks)

// Second way - as an array
return view('index', [
        'projects' => $projects,
        'tasks' => $tasks
    ]);

// Third way - the same as second, but with variable
$data = [
    'projects' => $projects,
    'tasks' => $tasks
];
return view('index', $data);

// Fourth way - the shortest - compact()
return view('index', compact('projects', 'tasks'));

Schedule regular shell commands

We can schedule regular shell commands within Laravel scheduled command

// app/Console/Kernel.php

class Kernel extends ConsoleKernel
{
    protected function shedule(Schedule $shedule)
    {
        $shedule->exec('node /home/forge/script.js')->daily();
    }
}

Tip given by @anwar_nairi

HTTP client request without verifying

Sometimes, you may want to send HTTP request without verifying SSL in your local environment, you can do like so:

return Http::withoutVerifying()->post('https://example.com');

If you want to set multiple options, you can use withOptions.

return Http::withOptions([
    'verify' => false,
    'allow_redirects' => true
])->post('https://example.com');

Tip given by @raditzfarhan

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Laravel Tips

Table of Contents

DB Models and Eloquent

Reuse or clone query()

Eloquent where date methods

Increments and decrements

No timestamp columns

Soft-deletes: multiple restore

Model all: columns

To Fail or not to Fail

Column name change

Map query results

Change Default Timestamp Fields

Quick Order by created_at

Automatic Column Value When Creating Records

DB Raw Query Calculations Run Faster

More than One Scope

No Need to Convert Carbon

Grouping by First Letter

Never Update the Column

Find Many

Find Many and return specific columns

Find by Key

Use UUID instead of auto-increment

Sub-selects in Laravel Way

Hide Some Columns

Exact DB Error

Soft-Deletes with Query Builder

Good Old SQL Query

Use DB Transactions

Update or Create

Forget Cache on Save

Change Format Of Created_at and Updated_at

Storing Array Type into JSON

Make a Copy of the Model

Reduce Memory

Force query without $fillable/$guarded

3-level structure of parent-children

Use find to search multiple records

Perform any action on failure

Check if record exists or show 404

Abort if condition failed

Perform any extra steps before deleting model

Fill a column automatically while you persist data to the database

Extra information about the query

Using the doesntExist() method in Laravel

Trait that you want to add to a few Models to call their boot() method automatically

There are two common ways of determining if a table is empty in Laravel

How to prevent “property of non-object” error

Get original attributes after mutating an Eloquent record

A simple way to seed a database

Models Relations

OrderBy on Eloquent relationships

Conditional relationships

Raw DB Queries: havingRaw()

Eloquent has() deeper

Has Many. How many exactly?

Default model

Use hasMany to create Many

Multi level Eager Loading

Eager Loading with Exact Columns

Touch parent updated_at easily

Always Check if Relationship Exists

Use withCount() to Calculate Child Relationships Records

Extra Filter Query on Relationships

Load Relationships Always, but Dynamically

Instead of belongsTo, use hasMany

Rename Pivot Table

Update Parent in One Line

Laravel 7+ Foreign Keys

Combine Two "whereHas"

Check if Relationship Method Exists

Pivot Table with Extra Relations

Load Count on-the-fly

Randomize Relationship Order

New `whereBelongsTo()` Eloquent query builder method