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Eloquent: Relationships • Introduction • Defining Relationships A> - One To One A> - One To Many A> - Many To Many A> - Has Many Through A> - Polymorphic Relations A> - Many To Many Polymorphic Relations • Querying Relations A> - Eager Loading A> - Constraining Eager Loads A> - Lazy Eager Loading • Inserting Related Models A> - Many To Many Relationships A> - Touching Parent Timestamps Introduction Database tables are often related to one another. For example, a blog post may have many comments, or an order could be related to the user who placed it. Eloquent makes managing and working with these relationships easy, and supports several different types of relationships: • One To One • One To Many • Many To Many • Has Many Through • Polymorphic Relations • Many To Many Polymorphic Relations Defining Relationships Eloquent relationships are defined as functions on your Eloquent model classes. Since, like Eloquent models themselves, relationships also serve as powerful query builders, defining relationships as functions provides powerful method chaining and querying capabilities. For example: 1 $user->posts()->where('active', 1)->get(); But, before diving too deep into using relationships, let’s learn how to define each type: 575
Eloquent: Relationships 576 One To One A one-to-one relationship is a very basic relation. For example, a User model might be associated with one Phone. To define this relationship, we place a phone method on the User model. The phone method should return the results of the hasOne method on the base Eloquent model class: 1
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Laravel 5 Official Documentation Sy
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Contents Contribution Guidelines .
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CONTENTS Named Routes . . . . . . .
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CONTENTS Adding Custom User Provide
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CONTENTS Paths . . . . . . . . . .
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CONTENTS Conditional Statements . .
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CONTENTS 1 The MIT License (MIT) Co
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Contribution Guidelines 3 - Authori
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Release Notes 5 Authentication Scaf
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Release Notes 7 1 Route::get('/api/
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Release Notes 9 PSR-2 The PSR-2 cod
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Release Notes 11 For more informati
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Release Notes 13 Route Cache If you
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Release Notes 15 1
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Release Notes 17 Laravel Elixir Lar
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Release Notes 19 Simple Controller
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Release Notes 21 The default Larave
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Release Notes 23 Database Read / Wr
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Upgrade Guide • Upgrading To 5.3.
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Upgrade Guide 27 Once you have upda
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Upgrade Guide 29 Compiled Classes I
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Upgrade Guide 31 Events Core Event
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Upgrade Guide 33 Jobs / Queue The p
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Upgrade Guide 35 Create / Register
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Upgrade Guide 37 Add BroadcastServi
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Upgrade Guide 39 date format for se
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Upgrade Guide 41 Amazon Web Service
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Upgrade Guide 43 Note: You will nee
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Upgrade Guide 45 1 use Illuminate\A
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Upgrade Guide 47 Misc. Files Copy i
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Upgrade Guide 49 Soft Deleting Mode
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Upgrade Guide 51 Next, if you are u
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Upgrade Guide 53 Password Reminders
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Contribution Guide 55 • Laravel H
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Installation • Installation A> -
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Installation 59 Additional Configur
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Configuration 61 To make this a cin
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Configuration 63 1 php artisan down
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Laravel Homestead 65 • Nginx •
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Laravel Homestead 67 1 folders: 2 -
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Laravel Homestead 69 Mac / Linux: 1
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Laravel Homestead 71 Configuring Cr
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Laravel Valet • Introduction A> -
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Laravel Valet 75 Database If you ne
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Laravel Valet 77 Viewing Logs If yo
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Laravel Valet 79 1 /** 2 * Get the
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Basic Task List 81 Installing The Q
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Basic Task List 83 in our migration
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Basic Task List 85 1 Route::get('/'
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Basic Task List 87 1 2 3 @extends(
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Basic Task List 89 13 }); The $erro
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Basic Task List 91 1 @extends('layo
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Basic Task List 93 1 Deleting The
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Intermediate Task List 95 1 compose
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Intermediate Task List 97 To run ou
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Intermediate Task List 99 1
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Intermediate Task List 101 First, n
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Intermediate Task List 103 15 */ 16
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Intermediate Task List 105 15 {{ cs
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Intermediate Task List 107 If you f
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Intermediate Task List 109 1 /** 2
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Intermediate Task List 111 23 * @pa
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Intermediate Task List 113 1 2 3
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Intermediate Task List 115 1
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Intermediate Task List 117 1 /** 2
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HTTP Routing 119 1 Route::get($uri,
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HTTP Routing 121 1 Route::get('user
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HTTP Routing 123 5 }); Route Prefix
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HTTP Routing 125 If a matching mode
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CSRF Protection • Introduction
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CSRF Protection 129 1 $.ajaxSetup({
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HTTP Middleware 131 1
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HTTP Middleware 133 Registering Mid
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HTTP Middleware 135 19 ]; Middlewar
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HTTP Middleware 137 15 { 16 // Stor
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HTTP Controllers 139 18 return view
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HTTP Controllers 141 21 } 22 } REST
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HTTP Controllers 143 1 /user/{admin
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HTTP Controllers 145 20 } 21 } If y
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HTTP Requests • Accessing The Req
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HTTP Requests 149 1 $uri = $request
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HTTP Requests 151 1 $name = $reques
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HTTP Requests 153 Flashing Input To
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HTTP Requests 155 Files Retrieving
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HTTP Responses • Basic Responses
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HTTP Responses 159 6 ]); Attaching
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HTTP Responses 161 1 return respons
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HTTP Responses 163 1 return redirec
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HTTP Responses 165 16 { 17 Response
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Views 167 1 return view('admin.prof
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Views 169 1
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Views 171 Note: All view composers
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Blade Templates 173 11 12 13 @yiel
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Blade Templates 175 Blade & JavaScr
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Blade Templates 177 1 2 @hasSectio
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Blade Templates 179 1 @include('vie
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Blade Templates 181 The following e
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Request Lifecycle • Introduction
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Application Structure • Introduct
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Service Providers • Introduction
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Service Providers 189 1
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Service Providers 191 1
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Service Container 193 25 } 26 27 /*
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Service Container 195 1 use App\Con
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Service Container 197 Resolving The
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Contracts • Introduction • Why
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Contracts 201 changes our code must
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Contracts 203 luminateContractsRout
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Facades • Introduction • Using
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Facades 207 Facade Class Reference
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Facades 209 Facade Class Service Co
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Authentication 211 When building th
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Authentication 213 The create metho
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Authentication 215 Specifying A Gua
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Authentication 217 Specifying Addit
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Authentication 219 1 Auth::guard('a
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Authentication 221 16 */ 17 public
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Authentication 223 Customization Au
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Authentication 225 1 'guards' => [
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Authentication 227 1
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Authentication 229 13 ], 14 15 'Ill
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Authorization 231 15 * @return void
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Authorization 233 22 if (Gate::deni
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Authorization 235 2 // Update Post.
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Authorization 237 1
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Authorization 239 Note: All policie
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Authorization 241 1 if ($user->can(
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Authorization 243 For this reason,
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Artisan Console • Introduction
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Artisan Console 247 20 * 21 * @var
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Artisan Console 249 In this example
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Artisan Console 251 1 $arguments =
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Artisan Console 253 1 /** 2 * Execu
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Artisan Console 255 1 Route::get('/
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Laravel Cashier • Introduction
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Laravel Cashier 259 6 } Provider Ke
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Laravel Cashier 261 1 use Laravel\C
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Laravel Cashier 263 Checking Subscr
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Laravel Cashier 265 1 $user->subscr
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Laravel Cashier 267 1 if ($user->su
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Laravel Cashier 269 1 if ($user->on
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Laravel Cashier 271 1 Route::post(
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Laravel Cashier 273 1 try { 2 $resp
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Cache • Configuration • Cache U
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Cache 277 Cache Usage Obtaining A C
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Cache 279 to increment or decrement
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Cache 281 1 Cache::forget('key'); Y
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Cache 283 13 * 14 * @return void 15
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Cache 285 12 'App\Listeners\LogCach
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Collections 287 Available Methods F
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Collections 289 1 @foreach ($produc
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Collections 291 1 $collection = col
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Collections 293 1 $collection->ever
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Collections 295 flatten() {#collect
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Collections 299 1 $grouped = $colle
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Collections 301 1 collect([])->isEm
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Collections 303 map() {#collection-
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Collections 309 1 $collection->redu
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Collections 315 In addition, you ca
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Collections 317 toArray() {#collect
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Laravel Elixir • Introduction •
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Laravel Elixir 325 1 npm install --
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Laravel Elixir 327 1 elixir(functio
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Laravel Elixir 335 1 new Task('spea
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Encryption 337 19 public function s
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Errors & Logging 339 1 'log_max_fil
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Errors & Logging 341 11 return resp
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Errors & Logging 343 Contextual Inf
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Events 345 Generating Event / Liste
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Events 347 Defining Listeners Next,
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Events 349 1
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Events 351 • Pusher: pusher/pushe
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Events 353 8 return ['user' => $thi
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Events 355 10 11 function handler(r
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Events 357 15 */ 16 protected $list
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Filesystem / Cloud Storage 359 1 ec
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Filesystem / Cloud Storage 361 11 /
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Filesystem / Cloud Storage 363 1 St
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Filesystem / Cloud Storage 365 Crea
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Hashing • Introduction • Basic
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Helper Functions • Introduction
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Helper Functions 371 1 $array = arr
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Helper Functions 373 1 $array = ['p
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Helper Functions 375 5 // $array: [
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Helper Functions 377 22 ], 23 [ 24
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Helper Functions 379 config_path()
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Helper Functions 381 1 $class = cla
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Helper Functions 383 1 $value = str
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Helper Functions 385 1 echo trans('
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Helper Functions 387 Miscellaneous
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Helper Functions 389 1 dump($value)
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Helper Functions 391 response() {#c
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Localization • Introduction • B
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Localization 395 Of course if you a
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Mail • Introduction • Sending M
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Mail 399 1 'ses' => [ 2 'key' => 'y
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Mail 401 1 $message->from($address,
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Mail 403 inline image, use the embe
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Mail 405 Universal To Another solut
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Package Development 407 Routing To
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Package Development 409 Translation
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Package Development 411 of the conf
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Pagination • Introduction • Bas
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Pagination 415 Paginating Eloquent
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Pagination 417 1 {{ $users->appends
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Queues • Introduction • Writing
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Queues 421 1
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Queues 423 1 public function handle
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Queues 425 1
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Queues 427 11 } Delayed Jobs Someti
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Queues 429 30 public function regis
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Queues 431 1 [program:laravel-worke
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Queues 433 of times a job should be
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Queues 435 19 * @return void 20 */
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Redis • Introduction • Basic Us
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Redis 439 16 public function showPr
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Redis 441 18 * The console command
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Session • Introduction • Basic
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Session 445 Basic Usage Accessing T
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Session 447 1 if ($request->session
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Session 449 1
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Envoy Task Runner • Introduction
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Envoy Task Runner 453 1 @include('v
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Envoy Task Runner 455 1 @servers(['
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Envoy Task Runner 457 • To send t
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Task Scheduling 459 1
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Task Scheduling 461 to Thursday ->f
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Task Scheduling 463 1 $schedule->co
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Testing 465 1
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Testing 467 Working With Forms Lara
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Testing 469 occurs anywhere within
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Testing 471 contains a given set of
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Testing 473 10 // 11 } If you would
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Testing 475 6 } Of course, the seeI
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Testing 477 1 $factory->define(App\
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Testing 479 1 // Create three App\U
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Testing 481 Mocking Mocking Events
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Testing 483 Mocking Facades When te
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Validation • Introduction • Val
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Validation 487 The validate method
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Validation 489 1 2 3 Create Post 4
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Validation 491 1
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Validation 493 1 php artisan make:r
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Validation 495 Customizing The Flas
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Validation 497 1 echo $messages->fi
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Validation 499 active_url The field
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Validation 501 1 'avatar' => 'dimen
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Validation 503 ip The field under v
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Validation 505 required_with:foo,ba
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Validation 507 You may also specify
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Validation 509 11 * Bootstrap any a
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Validation 511 5 Validator::make($i
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Database: Getting Started 513 1 DB_
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Database: Getting Started 515 20 }
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Database: Getting Started 517 14 */
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Database: Query Builder • Introdu
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Database: Query Builder 521 1 $user
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Database: Query Builder 523 Selects
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Page 562 and 563: Database: Seeding • Introduction
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Page 566 and 567: Eloquent: Getting Started • Intro
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Page 578 and 579: Eloquent: Getting Started 565 1 App
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Page 594 and 595: Eloquent: Relationships 581 1 /** 2
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Page 600 and 601: Eloquent: Relationships 587 1 posts
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Page 608 and 609: Eloquent: Relationships 595 Countin
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Page 612 and 613: Eloquent: Relationships 599 If you
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Page 616 and 617: Eloquent: Relationships 603 1 $comm
Page 618 and 619: Eloquent: Collections 605 Note: Whi
Page 620 and 621: Eloquent: Mutators • Introduction
Page 622 and 623: Eloquent: Mutators 609 16 { 17 $thi
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Page 626 and 627: Eloquent: Mutators 613 1 $user = Ap
Page 628 and 629: Eloquent: Serialization 615 Convert
Page 630 and 631: Eloquent: Serialization 617 Tempora
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