Laravel - tutorialspoint.com ( PDFDrive.com ).pdf

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Laravel
Laravel
About the Tutorial
Laravel is a powerful MVC PHP framework, designed for developers who need a simple and
elegant toolkit to create full-featured web applications. Laravel was created by Taylor
Otwell. This is a brief tutorial that explains the basics of Laravel framework.
Audience
This tutorial will guide the developers and students who want to learn how to develop a
website using Laravel. This tutorial is particularly meant for all those developers who have
no prior experience of using Laravel.
Prerequisites
Before you start proceeding with this tutorial, we make an assumption that you are familiar
with HTML, Core PHP, and Advance PHP. We have used Laravel version 5.1 in all the
examples.
Copyright & Disclaimer
Copyright
2016 by Tutorials Point (I) Pvt. Ltd.
All the content and graphics published in this e-book are the property of Tutorials Point (I)
Pvt. Ltd. The user of this e-book is prohibited to reuse, retain, copy, distribute or republish
any contents or a part of contents of this e-book in any manner without written consent
of the publisher.
We strive to update the contents of our website and tutorials as timely and as precisely as
possible, however, the contents may contain inaccuracies or errors. Tutorials Point (I) Pvt.
Ltd. provides no guarantee regarding the accuracy, timeliness or completeness of our
website or its contents including this tutorial. If you discover any errors on our website or
in this tutorial, please notify us at contact@tutorialspoint.com
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Laravel
Table of Contents
About the Tutorial .................................................................................................................................... i
Audience .................................................................................................................................................. i
Prerequisites ............................................................................................................................................ i
Copyright & Disclaimer............................................................................................................................. i
Table of Contents .................................................................................................................................... ii
1.
LARAVEL – OVERVIEW ......................................................................................................... 1
Introduction ............................................................................................................................................ 1
Laravel – Features ................................................................................................................................... 1
2.
3.
LARAVEL – INSTALLATION.................................................................................................... 2
LARAVEL – APPLICATION STRUCTURE.................................................................................. 4
Root Directory ......................................................................................................................................... 4
App Directory .......................................................................................................................................... 5
4.
LARAVEL – CONFIGURATION ............................................................................................... 6
Basic Configuration ................................................................................................................................. 6
Environmental Configuration .................................................................................................................. 6
Database Configuration........................................................................................................................... 7
Naming the Application........................................................................................................................... 8
Maintenance Mode ................................................................................................................................. 8
5.
LARAVEL – ROUTING ......................................................................................................... 10
Basic Routing......................................................................................................................................... 10
Routing Parameters .............................................................................................................................. 13
6.
LARAVEL — MIDDLEWARE ................................................................................................ 16
Define Middleware ............................................................................................................................... 16
Register Middleware ............................................................................................................................. 17
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Laravel
Middleware Parameters........................................................................................................................ 19
Terminable Middleware ........................................................................................................................ 22
7.
LARAVEL – CONTROLLERS.................................................................................................. 27
Basic Controllers ................................................................................................................................... 27
Controller Middleware .......................................................................................................................... 28
Restful Resource Controllers ................................................................................................................. 33
Implicit Controllers ................................................................................................................................ 35
Constructor Injection ............................................................................................................................ 38
Method Injection .................................................................................................................................. 39
8.
LARAVEL — REQUEST ........................................................................................................ 41
Retrieving the Request URI ................................................................................................................... 41
Retrieving Input .................................................................................................................................... 43
9.
LARAVEL – COOKIE ............................................................................................................ 47
Creating Cookie ..................................................................................................................................... 47
Retrieving Cookie .................................................................................................................................. 47
10. LARAVEL — RESPONSE ...................................................................................................... 51
Basic Response ...................................................................................................................................... 51
Attaching Headers ................................................................................................................................. 51
Attaching Cookies ................................................................................................................................. 52
JSON Response ...................................................................................................................................... 53
11. LARAVEL — VIEWS ............................................................................................................ 54
Understanding Views ............................................................................................................................ 54
Passing Data to Views ........................................................................................................................... 55
Sharing Data with all Views ................................................................................................................... 55
Blade Templates.................................................................................................................................... 57
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Laravel
12. LARAVEL — REDIRECTIONS................................................................................................ 61
Redirecting to Named Routes................................................................................................................ 61
Redirecting to Controller Actions .......................................................................................................... 62
13. LARAVEL — WORKING WITH DATABASE............................................................................ 64
Connecting to Database ........................................................................................................................ 64
Insert Records ....................................................................................................................................... 64
Retrieve Records ................................................................................................................................... 67
Update Records ..................................................................................................................................... 70
Delete Records ...................................................................................................................................... 74
14. LARAVEL — ERRORS AND LOGGING .................................................................................. 78
Errors .................................................................................................................................................... 78
Logging .................................................................................................................................................. 78
15. LARAVEL – FORMS ............................................................................................................. 79
16. LARAVEL – LOCALIZATION ................................................................................................. 85
17. LARAVEL — SESSION ......................................................................................................... 89
Accessing Session Data .......................................................................................................................... 89
Storing Session Data .............................................................................................................................. 89
Deleting Session Data ............................................................................................................................ 89
18. LARAVEL – VALIDATION ..................................................................................................... 93
19. LARAVEL – FILE UPLOADING .............................................................................................. 98
20. LARAVEL – SENDING EMAIL ............................................................................................. 102
21. LARAVEL – AJAX ............................................................................................................... 108
22. LARAVEL – ERROR HANDLING.......................................................................................... 111
HTTP Exceptions .................................................................................................................................. 111
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