#laravel crud raw query

[maveninfo979]

A Beginner's Guide to Database Interaction in Laravel Development

In the vast realm of web development, Laravel stands out as a robust and developer-friendly PHP framework. One of its key strengths lies in its eloquent ORM (Object-Relational Mapping) system, making database interaction seamless and efficient. In this beginner's guide, we will explore the fundamentals of database interaction in Laravel development, shedding light on the essential concepts that every aspiring Laravel developer should grasp.

Understanding Laravel's Eloquent ORM

Laravel's Eloquent ORM simplifies database operations by allowing developers to interact with databases using a more expressive and object-oriented syntax. Instead of writing raw SQL queries, developers can work with PHP models, making database interaction more intuitive.

Eloquent Models

In Laravel, an Eloquent model serves as a representative of a database table. By extending the Illuminate\Database\Eloquent\Model class, developers can create models that map directly to database tables. This abstraction allows for a cleaner separation of concerns, making it easier to manage and organize code.

For instance, if you have a users table in your database, you can create a corresponding User model in Laravel. This model not only represents the data structure but also inherits various Eloquent methods, enabling seamless interaction with the database.

CRUD Operations with Eloquent:

Eloquent simplifies CRUD (Create, Read, Update, Delete) operations. Let's break down each operation:

Create (Insert):

To insert a new record into the database, you can create a new instance of the Eloquent model and set its attributes before calling the save() method. For example:

$user = new User;

$user->name = 'John Doe';

$user->email = 'john@example.com';

$user->save();

Read (Select):

Eloquent provides various methods for retrieving data. The all() method fetches all records from a table, while find($id) retrieves a specific record by its primary key. Additionally, you can use the get() method with conditions using where():

$allUsers = User::all();

$userById = User::find(1);

$filteredUsers = User::where('status', 'active')->get();

Update:

Updating records is straightforward. Retrieve the record, modify its attributes, and call the save() method:

$user = User::find(1);

$user->name = 'Updated Name';

$user->save();

Delete:

Deleting records is as simple as calling the delete() method on an Eloquent model instance:

class User extends Model

{

    public function posts()

    {

        return $this->hasMany(Post::class);

    }

}

This allows you to retrieve a user's posts effortlessly:

$user = User::find(1);

$posts = $user->posts;

Query Scopes:

Eloquent allows you to define query scopes, which are reusable query snippets that can be applied to a model. This enhances code readability and encourages the use of consistent query logic.

class User extends Model

{

    public function scopeActive($query)

    {

        return $query->where('status', 'active');

    }

Now, you can use the scope like this:

$activeUsers = User::active()->get();

Connecting Laravel to a Database:

The first step in Laravel database interaction is establishing a connection. Laravel supports multiple databases, including MySQL, PostgreSQL, SQLite, and SQL Server. Developers can configure the database connection settings in the config/database.php file, providing flexibility for different project requirements.

Fetching Data with Eloquent:

Eloquent provides a powerful and eloquent way (pun intended) to retrieve data from the database. Developers can use methods such as all(), find(), and where() to fetch records effortlessly. This not only enhances code readability but also promotes a more efficient development workflow.

Introduction to Laravel Query Builder:

For developers who prefer a more SQL-centric approach, Laravel offers the Query Builder. This feature allows the construction of SQL queries using a fluent interface, providing a balance between raw SQL and Eloquent ORM. It's a great choice for those who want more control over the query structure.

Leveraging Relationships in Eloquent:

One of the standout features of Eloquent is its ability to handle relationships between database tables. Whether it's a one-to-one, one-to-many, or many-to-many relationship, Eloquent makes it easy to define and navigate these connections. Understanding relationships is crucial for designing efficient and scalable database structures.

Best Practices for Laravel Database Interaction:

To ensure optimal performance and maintainability, adhering to best practices is essential. This includes using eager loading to minimize the number of queries, implementing proper indexing, and handling database migrations carefully to keep the database schema in sync with the application.

Conclusion:

In conclusion, mastering database interaction is a fundamental aspect of Laravel development. Whether you're a newcomer to web development or transitioning from another framework, understanding Laravel's Eloquent ORM and Query Builder is key to building robust and scalable applications.

If you are looking for professional Laravel development services in the Netherlands, our team specializes in delivering top-notch Laravel web development services. Contact us to discuss how we can leverage Laravel's power to bring your web projects to life. Contact Us : https://maven-infotech.nl/ Call Us : NL: +31-(0)20 36 38 550

[laravelvuejs]

Raw SQL Queries - Become a Master in Laravel - 09 - Laravel

Raw SQL Queries – Become a Master in Laravel – 09 – Laravel

Raw SQL Queries – Become a Master in Laravel – 09 – Laravel

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When writing queries, protect your application from SQL injection attacks. Normally, the query builder does this for us. However, when we write our own SQL, we need to make sure we don’t inadvertently remove this protection.

Anybody can learn programming no matter who you are. You just need some time to study.

The most starred PHP…

[wiznoxtechnologies]

PHP Laravel Training Course in Mohali Chandigarh

Laravel is a popular PHP framework that is used to create web applications. With Laravel, you can build complex websites that load and respond quickly. 

The Laravel framework is a great choice for web application development. In fact, it is fast becoming the most popular PHP framework. Most firms in the IT industry want this talent, therefore it may be a good choice for you if you want to begin your career as a Web Developer.  

If you're a BCA, MCA, or Computer Engineering Student who looking for 6 months industrial training program or just want to get started your career in the world of PHP development. In that case, you can opt for the Laravel Training in Mohali, Chandigarh.  

What you will learn in Laravel Training Course  

What you will learn in Laravel Training Course    

Learn to build applications using Laravel   

You will learn how to use Laravel   

You will learn how to use routes   

You will learn how to create and use Controllers and what they are   

You will learn how to create Views and what they are   

You will learn to use the templating engine Blade   

How to connect and use Databases   

How to create migrations and what they are   

You will learn about Laravel ORM (Object Relational Mapper) and Raw SQL queries. Database stuff :)   

How to use Laravel Tinker - Command line program to play around with Laravel without persisting data   

Database: Eloquent One-to-One - CRUD   

Database: Eloquent One to Many - CRUD   

Database: Eloquent Many to Many - CRUD   

Database: Eloquent Polymorphic - CRUD   

Form Validation   

You will learn to download third-party libraries to add to Laravel   

You will learn to upload files   

You will learn about Middleware and security   

You will learn about Sessions   

You will learn about sending emails   

You will learn Github or version control   

You will learn how to install a WYSIWYG editor   

To install a commenting system / Disqus   

You will learn to create a BULK functionality that you can use the CRUD on it   

You will learn to deploy Laravel on shared hosting accounts, like GoDaddy   

And lots of more cool things     

The Best Ways to Learn Laravel Development   

There are more than thousands of Academies & institutes for Laravel training or industrial training in Mohali Chandigarh but the right way to learn programming languages is through hands-on training and this type of training you got only from IT companies. As Mohali & Chandigarh becomes the hub for the IT industry there are many best IT companies where you can start your training and internship in Mohali Chandigarh.   

Among all of them, Wiznox Technologies is the Global leading Software and Mobile app development company in Mohali who have gained expertise in Laravel Development. Along with Software Development Services, they also provide live project-based IT Training or industrial training in Mohali.  

They provide training in PHP Laravel, React js, Node Js, Web Designing, and Graphic Designing Course.  

The Trainers at Wiznox Technologies are highly experienced Software Developers. So, there you will have an opportunity to learn from experts and professionals. You will be able to learn about all the fundamentals of PHP Laravel development that get you up with this framework. 

You will learn how to install Laravel, build a new project, configure it for your development needs, and finally deploy it to a production server after receiving our in-depth understanding of the Laravel framework. As a student in this training program, you will develop your coding skills and learn how to make your own applications.   

Why you can choose Wiznox Technologies for IT Training in Mohali Chandigarh?  

Affordable fee structure  

Expert Guidance by professionals.  

They teach practical, high-demand skills that are essential for IT & Software Engineering.  

Smart Labs equipped with Wi-fi & latest Devices configuration.  

Trainers are highly experienced Software Developers.  

Best Place to Sharpen Coding Skills and learn Advanced development.  

They Work with Advanced Technologies & Tools. 

[ahmedsalmanmagento-blog]

Laravel Security – Best Practices To Protect Your Web App

Laravel is a PHP-based open-source platform that concentrates on constructing web applications.

As per the survey carried out by the University of Maryland, there's a hacker attack taking place every 39 seconds, i.e. 2,244 times every day.

In the above statistic, you can surely tell that program safety has become a major concern for every program proprietor.

To secure the program that has vital information, the app developers prefer Laravel. The preference is because the frame delivers not just impeccable performance but also has excellent security practices.

User Authentication Procedure Safeguard Malware Through CSRF Avoid From SQL Injection Laravel Security Packages

Let's have an in-depth idea of Laravel's finest security practices: Laravel cares for the user authentication procedure with the ready-to-use boilerplate code. It verifies the users and performs a robust authentication process.

The in-built"suppliers" &"guards" would be the two fundamental elements of the user authentication procedure. The former brings back the user in the storage. It's possible to use a database query builder to get a smooth process, whereas the latter authenticates the user for those requests.

The"guards" help understand the logic for authenticated users. You will find two guards; session & token. The session guard uses cookies to take care of the state of the user in each request. The token guard verifies the token with that it authenticates the user.

Safeguard Malware Through CSRF

The Laravel uses CSRF for blocking imitation requests and for protecting it from exposed strikes. To block the petition, the frame uses tokens for active user sessions. In addition, the Laravel cross-checks the created token with the previous token to verify that both the tokens are fitting. If proven to be mismatched, then it terminates the token request and stops the implementation. XSS (Cross-Site Scripting) Security

Cross-Site Scripting is a malicious method of black hat to gain access and input into the web software. Considering that the attacker is inside, the new visitor that visits the affected page will see the script to be implemented with malign effects. Below is a simple example where black hat inserts malicious code in the comments section of the social media sharing platform.

Should you don't remember to guarantee the area, then there'll be a higher chance of becoming vulnerable to the attacks. Laravel bolsters code and protects it from XSS vulnerable attacks. HTML is the output signal of any code that contains escape tags. Below is the case of it: Avoid From SQL Injection

PDO binding plays a vital part in preventing Eloquent ORM from SQL injections. The hackers are restricted from changing or changing the SQL queries. It is also among the famed Laravel security practices.

Laravel Security Packages

Laravel has a comprehensive collection of securities, but elaborating every safety measure would be too time-consuming. Thus, let's see the key and integral Laravel security attributes:

Security Part: The primary objective of the safety component would be to integrate Symfony safety and to look after safeguarding roles and objects. ACL: The ACL works to deliver role-based bonded permissions into the authentication procedure. Routes & CRUD controller methods are protected from the programs.

Laravel Security: The in-built Laravel Security attribute is well known for eradicating XSS vulnerabilities. Codeigniter 3 was the first to have this attribute, and from there, it's been migrated to Laravel 5.

The features mentioned above will enhance and secure your software from malware attacks. If you're planning to build a web application, then you need to join with Internet Application Development Company that may convert your idea and build a strong platform.

Apart from the above-mentioned practices, let us take a look at a few of the Finest Laravel Security Practices:

Security Headers:

Laravel comes with an innovative solution for protecting your program from malware attacks. The security header provides an extra cover against the vulnerable strikes and protects crucial data and information.

Google has faked to design a site using HTTPS because it is but one of the potential mobile program security practices. HTTP is a vulnerable application protocol which moves on the credentials, passwords, data right into a simple text via the internet. If you're building your site and would wish to make it secure, then you need to use HTTPS to make it protected from malicious attacks.

No Raw Queries:

Raw Queries is among the factors for the growth in vulnerability. It increases the chances of SQL injection attacks.

Double Brace Syntax Rescuer: The blade template engine is where you can find Double Brace Syntax. This is one of those robust measures that program developers prefer to give protection against the XSS strikes, and also.

Conclusion

Safety is of utmost importance to look into and that's the reason Laravel is called as the most popular and secure framework that offers protection against vulnerable strikes. The Laravel Development Company gives both the customer and the consumer a relaxation over the malware attacks.

Hire Laravel Developers and discuss your ideas with professional specialists. They will provide you with advice and also will build an excellent project.

Author Bio: 

Salman Ahmed is a Business Manager at Magneto IT Solutions – a Web development company in Bahrain offers quality Iphone Application  Development, Magento development, android app development, Magento migration, furniture store development services. The company has experienced Laravel developers for hire at a very affordable price. He is a firm believer in teamwork; for him, it is not just an idea, but also the team’s buy-in into the idea, that makes a campaign successful! He’s enthusiastic about all things marketing.

[rafi1228]

Learn to master Laravel to make advanced applications like the real CMS app we build on this course

What you’ll learn

Learn to build applications using laravel

To install Laravel using Windows and MAC

You will learn how use Laravel

You will learn how to use routes

You will learn how to create and use Controllers and what they are

You will learn how to create Views an what they are

You will learn to use the templating engine Blade

How to connect and use Databases

How to create migrations and what they are

You will learn about Laravel ORM (Object Relational Mapper) and Raw SQL queries. Database stuff 🙂

How to use Laravel Tinker – Command line program to play around with Laravel without persisting data

Database: Eloquent One to One – CRUD

Database: Eloquent One to Many – CRUD

Database: Eloquent Many to Many – CRUD

Database: Eloquent Polymorphic – CRUD

Form Validation

You will learn to download third party libraries to add to Laravel

You will learn to upload files

You will learn about Middleware and security

You will learn about sesssions

You will learn about sending emails

You will learn Github or version control

You will learn how to install a WYSIWYG editor

To install a commenting system / Disqus

You will learn to create a BULK functionality that you can use the CRUD on it

You will learn to deploy Laravel on share hosting accounts, like godaddy

And lots of more cool things

Requirements

Basic OOP PHP

Description

VERSION 5.2 but we keep updating as new version come out. This is an evergreen course because we keep adding new fresh content all the time!

UPDATES …….

5.3 – section 33

5.4 – section 38

5.5 – section 40

5.6 – section 41

5.7 – section 43

5.8 – section 43

We will keep updating the project as new versions come out!

Over 23,000 students in this course and over 380,000 students here at Udemy.

Best Rated, Best Selling, Biggest and just baddest course on Laravel around 🙂

Oh it’s also the best course for complete beginners and of course regular beginners 🙂

Laravel has become on of the most popular if not the most popular PHP framework. Employers are asking for this skill for all web programming jobs and in this course we have put together all of them, to give you the best chance of landing that job; or taking it to the next level.

Why is Laravel so popular? Because once you learn it, creating complex applications are easy to do, because thousands of other people have created code we can plug (packages) in to our Laravel application to make it even better.

There are many reasons why Laravel is on the top when it comes to php frameworks but we are not here to talk about that, right?

You are here because you want to learn Laravel, and find out what course to take, right? Alright lets lists what this course has to offer, so that you can make your decision?

Benefits of taking this course (I promise to be  brief)

1. Top PHP instructor (with other successful PHP courses with great reviews)

2. Top support groups

3. An amazing project that we will be building and taking to Github

4. Lots of cybernetic coffee to keep you awake…..

5. Did I mention I was not boring and you will not fall asleep?

Ok, Let’s break each of these down, shall we?

Top Instructor…..

I don’t like boasting but my other PHP courses can speak for me 🙂

Top support groups

I make sure everybody helps in the class and we also have Facebook support groups if needed.

The Amazing project / real life application….

On this project you will learn everything you need for creating awesome applications the easy way with Laravel, and new features will be implemented all the time, just the the curriculum and look at the updates section.

Full Source Code is Available at Github 

Oh yeah, we take this to Github (A app repository online) and even show you how, so you will learn that too.

—————————————-

Practicality…………………..

Lots practical skill with some theory so you get more experience that its essential for becoming a Professional Laravel Developer.

This course will take your game a new level. Imagine being able to create the next Facebook or twitter, or even getting the developer job you dream of? What about just a programming job? You can achieve all that if you study with us and really focus. We will help you along the way.

Here are some my lovely students (Not to show off of course) 🙂 

REVIEWS  ——————————->

Rating: 5.0 out of 5

*****

Understood MVC in one sentence after so many years! Great job Edwin. A great deal of effort has been put by Edwin to create the content in two parts , first for understanding the basic components (eloquent relationships, views, controller etc) and then actually using it in a project. And he loves teaching. We love learning from him!

———————————————————

Rating: 5.0 out of 5

Great Course! Everything was explained well and if you will have any questions they will give you good answers, or you will find the answers in Q&A.

———————————————————

Rating: 5.0 out of 5

I would recommend this course to Laravel beginners like me, it covers a lot and the idea of learning on short-manageable videos + learning from errors that follow is a home run best approach! I am satisfied with course and especially with teacher Edwin who is extreme motivator…….

Rating: 5.0 out of 5

I loved the course!! Learned a lot and actually applied it, I’m very happy. 10-stars!!!

———————————————————

Get it? Not every course its perfect we do get the best reviews for a good reason, of course you can’t please everybody but we try.

Are you ready to to create the next Facebook or Twitter? …………….

Lets start with the fundamentals 

Downloading Laravel

Installing it with composer

Lets also use Laravel Homestead

We learn about Routes, Controllers, views, models, migrations, template engines, middleware and more

Lets learn the CRUD, create, read, update and deleting data 🙂

Wait, lets also learn the CRUD with all the ELOQUENT relationships,

Lets learn so database stuff 🙂

One To One

One To Many

One To Many (Inverse)

Many To Many

Has Many Through

Polymorphic Relations

Many To Many Polymorphic Relations

Querying Relations

Relationship Methods Vs. Dynamic Properties

Querying Relationship Existence

Querying Relationship Absence

Counting Related Models

Inserting & Updating Related Models

The save Method

The create Method

Belongs To Relationships

Many To Many Relationships

Let me break down some things from the projects but not all, cause my hands are a little tired 🙂

Authentication system

Multi users with roles, Admins, subscribers and whatever you want 🙂

User profiles

Uploading photos, multi pictures

Multiple input selections

User, CRUD

Pos CRUD

Category CRUD

Photo CRUD

Pretty URL’s

Commenting system, reply system with tree

Disqus commenting system

Sessions, and flash messages

Email Sending

EMAIL testing

Restrictions

Deployment

Lots more, too many to list

Oh did I mention we keep updating the course with new versions? 

Did I also mention this LARAVEL course is the best rated course, the best selling and the biggest of its kind here in Udemy?

Lets start this and let’s create big things 🙂

Who this course is for:

People looking for web programming jobs should take this course

People looking to learn everything about laravel should take this course

Students who want to take their PHP skills to another level should take this course

Created by Edwin Diaz, Coding Faculty Solutions Last updated 3/2019 English English

Size: 9.60 GB

   Download Now

https://ift.tt/1sLScUT.

The post PHP with Laravel for beginners – Become a Master in Laravel appeared first on Free Course Lab.

[laravelvuejs]

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