What are the best PHP features for creating business and finance web applications?

Security Features: PHP has built-in security features like data encryption, secure socket layers (SSL), and various libraries for hashing, input validation, and preventing SQL injection attacks. These are critical for handling sensitive financial data securely. Database Connectivity: PHP has strong support for various databases, especially MySQL and PostgreSQL. Frameworks: PHP frameworks like Laravel, Symfony, and CodeIgniter offer features such as authentication, authorization, routing, and templating, making it easier to build and maintain business and finance applications. Payment Gateway Integration: PHP offers libraries and APIs for integrating popular payment gateways like PayPal, Stripe, and others.

Loosely typed languages, such as PHP, offer flexibility in implicit data conversion, yet this trait can present challenges in maintaining precision within applications that demand high precision, such as financial apps. To mitigate these issues, adopting explicit typecasting is a recommended best practice. Additionally, employing appropriate data types can preempt implicit conversions. In scenarios demanding high precision, leveraging specialized libraries like BCMath and GMP, or writing custom functions, proves beneficial.

PHP, a server-side scripting language, is well-suited for secure business and finance web applications with features like strong database connectivity, built-in security measures, and support for frameworks like Laravel. Its capabilities, including effective session management, user authentication, and error handling, make it a versatile and efficient choice for rapid development in the financial domain.

It helps quickly get the work done, that's the crux of it. I have been working utilizing loosely couple nature to help code first decide later approach. Which is sometime required in fast pace software development. Having said that, I also use strong typecast (YES, PHP supports that as well). But it greatly adds the flexibility to do good and readable code.

This is a common misconception that PHP is not secure. If you use any standard framework or use tools like sonar cube. It's mostly the developers fault, via directly injecting variables into quires or not using correct accessors. None the less, its as secure as Java or Python. The only catch is Dev. It has everything prepared statement, hashing data, encryption, encoding you name it PHP has it.

In my day-to-day work, I ensured that PHP provides a seamless connection with MySQL, enabling robust CRUD operations. I just want to give 3 major pros of using PHP with MySQL. Seamless Integration: MySQL and PHP have a long-standing partnership, offering compatibility that simplifies database operations and managing data. Cost Efficiency: MySQL, being open-source, aligns with PHP's open nature, providing a cost-effective solution. This combination is budget-friendly, as both PHP and MySQL can be used without licensing fees, reducing overall project costs. Scalability: Developers can scale applications and optimize performance through MySQL's features, ensuring functionality, especially in scenarios with high traffic.

Imagine a scenario where a user logs into a PHP web application. Upon successful login, a session is initiated, storing the user's ID and username. Simultaneously, a cookie is set to remember the user's preference, such as a chosen theme. These session and cookie values persist across pages, allowing seamless user interaction and personalized experiences during subsequent visits to the website.

As a developer working with both C# and PHP, I appreciate PHP's support for OOP. OOP enables code organization into classes and objects, offering a structured and efficient way to manage websites. In the context of a website handling subscribed users, a PHP Member class can represent an individual user entity. The class encapsulates properties and methods (considering abstraction and focusing on essential details while hiding unnecessary complexities). Inheritance is supported and allows you to have your PHP code low coupled. All the beauty of OOP can be used in PHP code, allowing for a structured approach to managing data, ensuring that each entity has a designated set of properties and methods for seamless management of the website.

I largely use Nodejs and PHP in my day to day task. In PHP I prefer Laravel as framework and I can gladly says I have used most of the OOP's concept or seen it already written in the framework code. PHP is a beast, Inheritances, traits (Most used by me), Concrete class, Abstraction for payment classes and in general CURD operation. I can be as good as any other launguage

As must One would like to be correct all the time. Its very normal to not able to build a simple CURD in one go. Some time variable name are incorrect, sometimes their are local flaws. Some times just we like to try to see if it will work. Having a good debugging tool helps a lot. In PHP like debug bar, native exception handler and ability to write your own error handler give you all kind of metrics. Along with general error handling many tools also provide memory utilization statics as well. Function like memory_get_usage() or memory_get_peak_usage() gives us a default capability to do so.