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Supercharge your codebase — exploring the benefits and features of PHP 8.3

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April 23, 2024


PHP 8.3 was released on November 23, 2023. After a thorough review process, Nexcess has now made PHP 8.3 — and its features — available for your application or content management system (CMS) on your cloud-based website hosting plan with us:

Supercharge your codebase with PHP 8.3 features — Change PHP Version dialog box



Continue reading as we walk through the significant benefits associated with this version of PHP.


Why PHP version updates are important to website admins

In the ever-evolving web development landscape, selecting the proper programming language is paramount to ensuring your application or CMS remains robust, secure, and efficient.

Among the many options available, PHP has consistently stood out as a popular choice, powering a significant portion of the web. With the release of PHP 8.3, the language takes a considerable leap forward, offering developers many new features and improvements.

In this post, we'll explore why adopting the features in PHP 8.3 should be a priority for anyone seeking to enhance their web projects. Be sure to check out the following tutorial when updating your PHP version:

How to update PHP versions on our hosting platform

The importance of regular updates is hard to overestimate when it comes to keeping your website fast and secure. Using the latest PHP version can significantly benefit your website performance. The Client Portal allows you to manage every aspect of your website hosting, including the PHP version update. In this guide, we will learn how to check the PHP version used and update PHP versions.


PHP 8.3 feature #1 — performance boost

PHP 8.3 introduces optimizations that significantly enhance performance, making your applications faster and more responsive. With improvements in JIT (Just-In-Time) compilation, PHP 8.3 can execute code more efficiently, leading to reduced latency and faster response times. By leveraging these performance enhancements, you can deliver a smoother user experience, which is crucial in today's competitive online environment.

PHP 8.3 feature #2 — type system enhancements

Type safety is a cornerstone of modern software development, aiding in code readability, maintainability, and reducing bugs. PHP 8.3 introduces enhancements to its type system, including union types with conjunctions (AND) and disjunctions (OR), enabling developers to express more complex type constraints. Additionally, introducing read-only properties improves immutability guarantees, further enhancing code reliability.

PHP 8.3 feature #3 — improved error handling

Error handling is an important aspect of any application's robustness, including enumerations. PHP 8.3 introduces the concept of enum-based error handling, allowing developers to define a set of named constants representing possible error states. This refinement makes error handling more explicit and enhances code clarity and maintainability by providing a standardized approach to dealing with errors.

PHP 8.3 feature #4 — consistent syntax

PHP 8.3 brings several syntax improvements, streamlining code and making it more consistent. For instance, introducing the `::class` syntax for class name resolution simplifies obtaining fully qualified class names, enhancing the code's readability and reducing its likelihood of having errors. Moreover, adding the `__toString()` method to enums facilitates string conversion, improving interoperability with existing codebases.

PHP 8.3 feature #5 — enhanced string manipulation

Strings are fundamental to web development, and PHP 8.3 enhances string manipulation capabilities by adding the `str_starts_with()` and `str_ends_with()` functions. These functions provide a concise and efficient way to check if a string starts or concludes with a specified substring, eliminating the need for verbose workaround solutions.

PHP 8.3 feature #6 — forward compatibility

As technology evolves, maintaining forward compatibility becomes increasingly important. PHP 8.3 lays the groundwork for future language versions by deprecating outdated features and introducing modern syntax and functionality. By migrating to PHP 8.3, you will future proof your codebase, ensuring compatibility with upcoming releases and minimizing the need for extensive refactoring.

PHP 8.3 feature #7 — security enhancements

Security is an essential factor for any web application or CMS. PHP 8.3 introduces several security enhancements, including the ability to specify a hash algorithm for password hashing, improving resistance against brute force attacks and password cracking attempts. Additionally, introducing the `LDAP_OPT_DIAGNOSTIC_MESSAGE` option enhances LDAP error handling, aiding in diagnosing and mitigating potential security vulnerabilities.

PHP 8.3 feature #8 — community support

PHP benefits from its highly engaged community of developers contributing to its continuous improvement and evolution. By embracing PHP 8.3, you join a community-driven ecosystem, accessing many resources, libraries, and best practices. Whether you're a professional software engineer or just starting out, the PHP community provides invaluable support and guidance, allowing you to stay aware of web development best practices.

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Moving your web development efforts forward with PHP 8.3 features

PHP 8.3 represents a significant milestone in the evolution of the language, offering developers a valuable set of new features and worthwhile improvements to enhance performance, reliability, and security.

Adopting PHP 8.3 for your application or CMS can leverage these advancements to generate faster, more secure, and easily maintainable web codebases. These PHP 8.3 features documented in the sections above shall help keep your development process nimble and accurate in the ever-changing world of web applications. Embrace PHP 8.3 today and unlock the full potential of your web development endeavors with agility.

Luke Cavanagh
Luke Cavanagh

Luke Cavanagh, Strategic Support & Accelerant at Liquid Web, brings a decade of experience working with WordPress and WooCommerce to our product team. His GitHub page offers a glimpse into his multiple areas of subject matter expertise.

"Ninja stuff with WordPress and WooCommerce," is an apropos way to describe Luke's savviness with these platforms — and his way of influencing our organization for improving to them.

Coming out of the University of Brighton with a Business and Technology Education Council (BTEC) Higher National Diploma (HND) in 2D & 3D Design, Luke's credentials prepared him well for his current role that blends both web development and design. His HND credential leveraged his foundational learning at West Kent College, where is received a National Diploma (ND) in Graphic Design.

In his personal life, Luke is a devoted husband and teen wrangler. He considers himself a Synthwave enthusiast, Jerry Goldsmith fan, and Doctor Who aficionado. He is happy to introduce his friends and teammates to essential vocabulary for life found only in British English, such as "gubbins" and similar terms.

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