作为一款脚本语言，PHP在Web开发领域一直扮演着关键性角色，如今它开始在语义及语法方面为减少分歧作出努力。
尽管PHP脚本语言早在1995年左右就已经诞生并在Web开发领域占据着重要地位，但其一直没有自己的正式语言规范——只提供广泛的用户说明文档。但这种不利状况正在出现转机。
由Facebook公司牵头，目前一份规范草案已经被发布在GitHub之上，旨在拿出一套对于PHP语言语义与语法的完整定义。
“PHP的下一个主要版本——也就是PHP 7——正在开发当中，为了确保其能够完全与现有PHP脚本相符、最重要的是了解关于这套引擎的一切使用预期，”Facebook公司专门负责此次规范开发工作的Sara Golemon表示。“除此之外，由于HHVM等替代实施方面的出台，将各类分歧状况保持在最低限度同样被作为考量重点，而这也要求我们深入了解一磁良好运作的引擎需要具备哪些特性。”
此次组建的PHP小组当中包括PHP语言缔造者Rasmus Lerdorf以及工具供应商Zend Technologies公司CEO Andi Gutmans，后者负责监督规范研发工作。对该规范作出变更要求参与者拥有php.net账户。
正式名称为HipHop Virtual Machine的HHVM项目由Facebook打造，旨在让PHP代码的运行更加快捷。这套计划中的规范将保证HHVM成为与PHP完全匹配的实施方案，Golemon解释道。“举例来说，我们在规范中发布的一致性套件能够显示HHVM在边缘情况当中出现的故障数量。通过这类信息，我们能够让HHVM与PHP结合得更为紧密。”
规范制定的下一步工作在于改进表达、修正边缘情况并强化一致性套件。“从长远角度看，这份文档将与PHP实施方案采取同样的开发步骤，从而以正式方式为新语法提供文档记录，例如最近刚刚出现的pow运算符、variadics以及splat等，”Golemon指出。
使用这款语言的开发人员一直在致力于改进其在现实环境下的应用程序性能。而在实验室中，这些改动已经降低了应用程序执行所需要的设备指令数量、进而减少内存使用量。
传送门(GitHub)：
https://github.com/php/php-langs ... c/php-spec-draft.md
原文链接：Php Gets its Own Formal Language Specification
Beyond the Hype: Assessing PHP's Role TodayApr 12, 2025 am 12:17 AMPHP remains a powerful and widely used tool in modern programming, especially in the field of web development. 1) PHP is easy to use and seamlessly integrated with databases, and is the first choice for many developers. 2) It supports dynamic content generation and object-oriented programming, suitable for quickly creating and maintaining websites. 3) PHP's performance can be improved by caching and optimizing database queries, and its extensive community and rich ecosystem make it still important in today's technology stack.
What are Weak References in PHP and when are they useful?Apr 12, 2025 am 12:13 AMIn PHP, weak references are implemented through the WeakReference class and will not prevent the garbage collector from reclaiming objects. Weak references are suitable for scenarios such as caching systems and event listeners. It should be noted that it cannot guarantee the survival of objects and that garbage collection may be delayed.
Explain the __invoke magic method in PHP.Apr 12, 2025 am 12:07 AMThe \_\_invoke method allows objects to be called like functions. 1. Define the \_\_invoke method so that the object can be called. 2. When using the $obj(...) syntax, PHP will execute the \_\_invoke method. 3. Suitable for scenarios such as logging and calculator, improving code flexibility and readability.
Explain Fibers in PHP 8.1 for concurrency.Apr 12, 2025 am 12:05 AMFibers was introduced in PHP8.1, improving concurrent processing capabilities. 1) Fibers is a lightweight concurrency model similar to coroutines. 2) They allow developers to manually control the execution flow of tasks and are suitable for handling I/O-intensive tasks. 3) Using Fibers can write more efficient and responsive code.
The PHP Community: Resources, Support, and DevelopmentApr 12, 2025 am 12:04 AMThe PHP community provides rich resources and support to help developers grow. 1) Resources include official documentation, tutorials, blogs and open source projects such as Laravel and Symfony. 2) Support can be obtained through StackOverflow, Reddit and Slack channels. 3) Development trends can be learned by following RFC. 4) Integration into the community can be achieved through active participation, contribution to code and learning sharing.
PHP vs. Python: Understanding the DifferencesApr 11, 2025 am 12:15 AMPHP and Python each have their own advantages, and the choice should be based on project requirements. 1.PHP is suitable for web development, with simple syntax and high execution efficiency. 2. Python is suitable for data science and machine learning, with concise syntax and rich libraries.
PHP: Is It Dying or Simply Adapting?Apr 11, 2025 am 12:13 AMPHP is not dying, but constantly adapting and evolving. 1) PHP has undergone multiple version iterations since 1994 to adapt to new technology trends. 2) It is currently widely used in e-commerce, content management systems and other fields. 3) PHP8 introduces JIT compiler and other functions to improve performance and modernization. 4) Use OPcache and follow PSR-12 standards to optimize performance and code quality.
The Future of PHP: Adaptations and InnovationsApr 11, 2025 am 12:01 AMThe future of PHP will be achieved by adapting to new technology trends and introducing innovative features: 1) Adapting to cloud computing, containerization and microservice architectures, supporting Docker and Kubernetes; 2) introducing JIT compilers and enumeration types to improve performance and data processing efficiency; 3) Continuously optimize performance and promote best practices.
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
AI Hentai Generator
Generate AI Hentai for free.
Hot Article
Hot Tools
mPDF
mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),
DVWA
Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is very vulnerable. Its main goals are to be an aid for security professionals to test their skills and tools in a legal environment, to help web developers better understand the process of securing web applications, and to help teachers/students teach/learn in a classroom environment Web application security. The goal of DVWA is to practice some of the most common web vulnerabilities through a simple and straightforward interface, with varying degrees of difficulty. Please note that this software
SecLists
SecLists is the ultimate security tester's companion. It is a collection of various types of lists that are frequently used during security assessments, all in one place. SecLists helps make security testing more efficient and productive by conveniently providing all the lists a security tester might need. List types include usernames, passwords, URLs, fuzzing payloads, sensitive data patterns, web shells, and more. The tester can simply pull this repository onto a new test machine and he will have access to every type of list he needs.
Notepad++7.3.1
Easy-to-use and free code editor
MinGW - Minimalist GNU for Windows
This project is in the process of being migrated to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All MinGW software can run on 64-bit Windows platforms.
