PHP 8.4 Tries to Add a DOM-compliant Parser ![rw-book-cover](https://i.ytimg.com/vi/JTVPND4--vg/maxresdefault.jpg?sqp=-oaymwEmCIAKENAF8quKqQMa8AEB-AH-CYAC0AWKAgwIABABGF8gRihyMA8=&rs=AOn4CLBL0ppg-XLVdIvEXM08U9yUlXypVQ) [[3. Resources/Readwise/Full Document Contents/Articles/PHP 8.4 Tries to Add a DOM-compliant Parser|Full Document Contents]] ## Document Notes --- tags: #PHP8.4 #WebDevelopment #DOMCompliance #RFCUpdates Author: Neils (mentioned in video) Source: YouTube Reference: [https://www.youtube.com/watch?v=JTVPND4--vg] date created: 2024-09-14 12:45 --- # Title: PHP 8.4 DOM Compliance - RFC Overview ## Table of Contents: - [[#Introduction]] - [[#DOM Extension Overview]] - [[#Backward Compatibility Challenges]] - [[#Proposed Changes]] - [[#Type and Behavioral Issues]] - [[#Backward-Compatible Fixes]] - [[#Interoperability Considerations]] - [[#Testing and Future Scope]] - [[#Conclusion]] ### References: Include a list of sources consulted and cited in the article. ## 📝 Summary: This RFC introduces significant changes to the DOM extension in PHP 8.4 to bring it in line with the HTML 5 specification. It tackles longstanding bugs and issues while ensuring backward compatibility. The RFC proposes new classes and method updates to address legacy code reliance on older, bug-ridden implementations. The changes aim to provide a smoother, modern development experience while minimizing disruption to existing systems. ## 📖 Main Content: The DOM extension in PHP has been used for parsing, querying, and manipulating XML and HTML documents for decades. Over time, developers began relying on various bugs and inconsistencies in the implementation, which led to complications when attempting to upgrade the code to comply with current HTML specifications. This RFC proposes separating old and new implementations to allow for modernization without breaking legacy code. ### 🗒️ Notes - **DOM Extension Compliance**: PHP’s DOM extension, originally based on the DOM Core Level 3 specification, now seeks to follow the living DOM specification. - **Backward Compatibility**: Ensuring old code continues to function while fixing bugs in the new implementation. - **New Classes**: Introduces new DOM-related classes, like `DOMDocument`, `HTMLDocument`, and `XMLDocument`, to align with HTML 5 standards. - **Type and Behavioral Issues**: Type-related issues arise from old methods returning incorrect data types; behavioral issues stem from faulty implementations. - **Future Scope**: The RFC sets the stage for more advanced DOM features, such as native CSS selector support. ## 📖 References: - PHP RFC Documentation - Web Platform Tests (WPT) ## 🗣️ Paraphrase: - The DOM extension in PHP has been plagued by bugs for over two decades. Developers unknowingly rely on these bugs to maintain functionality, making fixes challenging without breaking existing codebases. - To tackle this, the RFC introduces a split: newer classes for modern HTML 5 compliance and older classes to preserve compatibility. While it ensures stability, it acknowledges the inevitable long-term transition period required for widespread adoption. ## 📰 Newsletter: PHP 8.4 is introducing a long-awaited improvement—DOM compliance with HTML 5! The new DOM extension resolves many bugs while ensuring backward compatibility, making it easier for developers to maintain legacy projects. Stay tuned for details on how this upgrade will impact your codebase and improve parsing and manipulation of HTML and XML documents. Dive into the full RFC breakdown [here](https://www.youtube.com/watch?v=JTVPND4--vg). ## ✅ Action Items: As a Developer Advocate at GoDaddy focused on open-source, this RFC aligns with my goals of promoting modern, efficient practices within WordPress and other PHP-based ecosystems. The proposed changes support a sustainable upgrade path, making it easier for contributors to adopt newer standards without sacrificing backward compatibility. This will be valuable for open-source projects reliant on legacy DOM handling. ## 🧪 Hypotheses: - The transition to HTML 5-compliant DOM handling will increase security and performance in PHP-based web projects. - Standardizing DOM behavior will reduce the reliance on bug-ridden workarounds, resulting in cleaner, more maintainable codebases. ### 📊 Methodology: - Conduct surveys with developers to understand the adoption timeline for PHP 8.4 DOM changes. - Analyze the impact of updated DOM parsing on large-scale PHP frameworks, such as WordPress, in terms of performance and security. ### ❓ Questions: - How will large open-source projects handle the migration to the new DOM classes? - What challenges do developers face when transitioning from legacy DOM methods to HTML 5-compliant methods? ### 🔮 Future Research: - Investigate how adopting CSS selector support within PHP’s DOM extension can streamline DOM manipulation. - Examine the potential security improvements resulting from eliminating legacy DOM bugs. ### 💡 Implications: Adopting HTML 5-compliant DOM parsing in PHP could vastly improve the web development experience by reducing errors caused by legacy bugs and increasing code maintainability. It will also encourage more developers to upgrade their PHP versions, enhancing security across the ecosystem. ### 🧠 Learning Styles Assessment: 1. **Visual Learners (Spatial)**: - **Present**: Diagrams illustrating the difference between old and new DOM classes. - **Improve**: Add more visual flowcharts to explain the upgrade path for legacy systems. 2. **Aural Learners (Auditory-Musical)**: - **Present**: Video discussion of the RFC, offering auditory learners a way to engage. - **Improve**: Provide an accompanying podcast or voice summary of the RFC. 3. **Verbal Learners (Linguistic)**: - **Present**: Rich explanation of technical changes and implications. - **Improve**: Enhance explanations with additional case studies. 4. **Physical Learners (Kinesthetic)**: - **Present**: Code examples for hands-on practice with new DOM methods. - **Improve**: Include exercises where learners manually refactor old DOM code to new standards. 5. **Logical Learners (Mathematical)**: - **Present**: Clear breakdown of how type and behavioral issues are handled. - **Improve**: Add step-by-step logical examples of DOM parsing improvements. 6. **Social Learners (Interpersonal)**: - **Present**: Discussion forums for developers to share migration strategies. - **Improve**: Create study groups or collaborative refactoring projects. 7. **Solitary Learners (Intrapersonal)**: - **Present**: Self-paced reading and video content. - **Improve**: Offer reflection prompts on how changes will impact individual projects. 8. **Naturalistic Learners**: - **Present**: No direct naturalistic references. - **Improve**: Discuss the broader impact of software evolution on the environment and sustainability. ### 📊 Accessibility Assessment: - **Screen Reader Compatibility**: Ensure all video transcripts and code snippets have proper descriptions for accessibility. - **Keyboard Navigation**: Optimize all interactive elements for seamless keyboard navigation. - **Contrast and Readability**: Use high-contrast colors for readability. - **Text Resizing**: Ensure text is resizable without disrupting the layout. ### 🌍 DEIB (Diversity, Equity, Inclusion, and Belonging) Assessment: - **Cultural Relevance**: Include diverse examples from different global development communities. - **Inclusive Language**: Use gender-neutral and inclusive terminology throughout the RFC analysis. - **Neurodiversity Support**: Break content into shorter, digestible sections for users with ADHD or ASD. - **Representation**: Highlight contributions from a diverse range of developers involved in the PHP 8.4 updates. - **Psychological Safety**: Promote a supportive environment for developers of varying skill levels to adapt to new changes. ### ✅ Logical validity: The RFC presents sound deductive reasoning by addressing both backward compatibility and future standards simultaneously. It uses strong inductive reasoning by predicting that most projects will adopt the new DOM standards over time due to the inherent benefits. However, it does raise concerns about legacy reliance on buggy implementations, which the RFC attempts t > [!note]+ Document Notes > tags: [#PHP8.4, #WebDevelopment, #DOMCompliance, #RFCUpdates] > Author: Neils (mentioned in video) > Source: YouTube > Reference: [https://www.youtube.com/watch?v=JTVPND4--vg] > date created: 2024-09-14 12:45 > > # Title: PHP 8.4 DOM Compliance - RFC Overview > <!-- deep-read:sections start --> ## Table of Contents: - [Introduction](#Introduction) - [DOM Extension Overview](#DOM-Extension-Overview) - [Backward Compatibility Challenges](#Backward-Compatibility-Challenges) - [Proposed Changes](#Proposed-Changes) - [Type and Behavioral Issues](#Type-and-Behavioral-Issues) - [Backward-Compatible Fixes](#Backward-Compatible-Fixes) - [Interoperability Considerations](#Interoperability-Considerations) - [Testing and Future Scope](#Testing-and-Future-Scope) - [Conclusion](#Conclusion) ### References: Include a list of sources consulted and cited in the article. ## 📝 Summary: This RFC introduces significant changes to the DOM extension in PHP 8.4 to bring it in line with the HTML 5 specification. It tackles longstanding bugs and issues while ensuring backward compatibility. The RFC proposes new classes and method updates to address legacy code reliance on older, bug-ridden implementations. The changes aim to provide a smoother, modern development experience while minimizing disruption to existing systems. ## 📖 Main Content: The DOM extension in PHP has been used for parsing, querying, and manipulating XML and HTML documents for decades. Over time, developers began relying on various bugs and inconsistencies in the implementation, which led to complications when attempting to upgrade the code to comply with current HTML specifications. This RFC proposes separating old and new implementations to allow for modernization without breaking legacy code. ### 🗒️ Notes - **DOM Extension Compliance**: PHP’s DOM extension, originally based on the DOM Core Level 3 specification, now seeks to follow the living DOM specification. - **Backward Compatibility**: Ensuring old code continues to function while fixing bugs in the new implementation. - **New Classes**: Introduces new DOM-related classes, like `DOMDocument`, `HTMLDocument`, and `XMLDocument`, to align with HTML 5 standards. - **Type and Behavioral Issues**: Type-related issues arise from old methods returning incorrect data types; behavioral issues stem from faulty implementations. - **Future Scope**: The RFC sets the stage for more advanced DOM features, such as native CSS selector support. ## 📖 References: - PHP RFC Documentation - Web Platform Tests (WPT) ## 🗣️ Paraphrase: - The DOM extension in PHP has been plagued by bugs for over two decades. Developers unknowingly rely on these bugs to maintain functionality, making fixes challenging without breaking existing codebases. - To tackle this, the RFC introduces a split: newer classes for modern HTML 5 compliance and older classes to preserve compatibility. While it ensures stability, it acknowledges the inevitable long-term transition period required for widespread adoption. ## 📰 Newsletter: PHP 8.4 is introducing a long-awaited improvement—DOM compliance with HTML 5! The new DOM extension resolves many bugs while ensuring backward compatibility, making it easier for developers to maintain legacy projects. Stay tuned for details on how this upgrade will impact your codebase and improve parsing and manipulation of HTML and XML documents. Dive into the full RFC breakdown [here](https://www.youtube.com/watch?v=JTVPND4--vg). ## ✅ Action Items: As a Developer Advocate at GoDaddy focused on open-source, this RFC aligns with my goals of promoting modern, efficient practices within WordPress and other PHP-based ecosystems. The proposed changes support a sustainable upgrade path, making it easier for contributors to adopt newer standards without sacrificing backward compatibility. This will be valuable for open-source projects reliant on legacy DOM handling. ## 🧪 Hypotheses: - The transition to HTML 5-compliant DOM handling will increase security and performance in PHP-based web projects. - Standardizing DOM behavior will reduce the reliance on bug-ridden workarounds, resulting in cleaner, more maintainable codebases. ### 📊 Methodology: - Conduct surveys with developers to understand the adoption timeline for PHP 8.4 DOM changes. - Analyze the impact of updated DOM parsing on large-scale PHP frameworks, such as WordPress, in terms of performance and security. ### ❓ Questions: - How will large open-source projects handle the migration to the new DOM classes? - What challenges do developers face when transitioning from legacy DOM methods to HTML 5-compliant methods? ### 🔮 Future Research: - Investigate how adopting CSS selector support within PHP’s DOM extension can streamline DOM manipulation. - Examine the potential security improvements resulting from eliminating legacy DOM bugs. ### 💡 Implications: Adopting HTML 5-compliant DOM parsing in PHP could vastly improve the web development experience by reducing errors caused by legacy bugs and increasing code maintainability. It will also encourage more developers to upgrade their PHP versions, enhancing security across the ecosystem. ### 🧠 Learning Styles Assessment: 1. **Visual Learners (Spatial)**: - **Present**: Diagrams illustrating the difference between old and new DOM classes. - **Improve**: Add more visual flowcharts to explain the upgrade path for legacy systems. 2. **Aural Learners (Auditory-Musical)**: - **Present**: Video discussion of the RFC, offering auditory learners a way to engage. - **Improve**: Provide an accompanying podcast or voice summary of the RFC. 3. **Verbal Learners (Linguistic)**: - **Present**: Rich explanation of technical changes and implications. - **Improve**: Enhance explanations with additional case studies. 4. **Physical Learners (Kinesthetic)**: - **Present**: Code examples for hands-on practice with new DOM methods. - **Improve**: Include exercises where learners manually refactor old DOM code to new standards. 5. **Logical Learners (Mathematical)**: - **Present**: Clear breakdown of how type and behavioral issues are handled. - **Improve**: Add step-by-step logical examples of DOM parsing improvements. 6. **Social Learners (Interpersonal)**: - **Present**: Discussion forums for developers to share migration strategies. - **Improve**: Create study groups or collaborative refactoring projects. 7. **Solitary Learners (Intrapersonal)**: - **Present**: Self-paced reading and video content. - **Improve**: Offer reflection prompts on how changes will impact individual projects. 8. **Naturalistic Learners**: - **Present**: No direct naturalistic references. - **Improve**: Discuss the broader impact of software evolution on the environment and sustainability. ### 📊 Accessibility Assessment: - **Screen Reader Compatibility**: Ensure all video transcripts and code snippets have proper descriptions for accessibility. - **Keyboard Navigation**: Optimize all interactive elements for seamless keyboard navigation. - **Contrast and Readability**: Use high-contrast colors for readability. - **Text Resizing**: Ensure text is resizable without disrupting the layout. ### 🌍 DEIB (Diversity, Equity, Inclusion, and Belonging) Assessment: - **Cultural Relevance**: Include diverse examples from different global development communities. - **Inclusive Language**: Use gender-neutral and inclusive terminology throughout the RFC analysis. - **Neurodiversity Support**: Break content into shorter, digestible sections for users with ADHD or ASD. - **Representation**: Highlight contributions from a diverse range of developers involved in the PHP 8.4 updates. - **Psychological Safety**: Promote a supportive environment for developers of varying skill levels to adapt to new changes. ### ✅ Logical validity: The RFC presents sound deductive reasoning by addressing both backward compatibility and future standards simultaneously. It uses strong inductive reasoning by predicting that most projects will adopt the new DOM standards over time due to the inherent benefits. However, it does raise concerns about legacy reliance on buggy implementations, which the RFC attempts to navigate thoughtfully. ### 🔍 SEO Evaluation: 1. **Keywords**: Keywords like "PHP 8.4", "DOM Compliance", and "HTML 5 Support" are well-used throughout. 2. **Meta Description**: Needs a concise meta description summarizing the RFC's key points. 3. **Title Tag**: The title is clear and concise, containing the main keywords. 4. **Headers**: Proper use of H1, H2, and H3 headers for structure and readability. 5. **Content Length**: The video provides a thorough and detailed explanation of the RFC, making it sufficient for its purpose. 6. **Internal and External Links**: Could benefit from more internal links to related PHP documentation or external resources on HTML 5 compliance. 7. **URL Structure**: Ensure the URL is concise and SEO-friendly. 8. **Image Optimization**: No images present but consider adding diagrams with proper alt text for clarity. 9. **Mobile Optimization**: Ensure the video and accompanying notes are mobile-friendly. 10. **User Engagement**: Increase engagement by encouraging developers to comment or share thoughts on migration strategies. 11. **Schema Markup**: Implement FAQ schema markup to provide search engines with clear questions and answers from the RFC discussion. 12. **Social Sharing**: Ensure share buttons are easily accessible to promote wider reach. ## 🎯 Conclusion: The PHP 8.4 DOM compliance RFC brings long-awaited improvements to the way DOM parsing and manipulation are handled in PHP, aligning with modern HTML 5 standards while maintaining backward compatibility. As the ecosystem gradually adopts these changes, developers can expect more robust and error-free implementations, laying the foundation for further improvements in the future. Short Summary for [PHP 8.4 will be DOM-compliant](https://www.youtube.com/watch?v=JTVPND4--vg) by [Merlin](https://merlin.foyer.work/) Title: PHP 8.4 Update: DOM Compliance for Improved HTML 5 Support [00:05](https://www.youtube.com/watch?v=JTVPND4--vg&t=5) PHP 8.4 brings Dom spec compliance [02:42](https://www.youtube.com/watch?v=JTVPND4--vg&t=162) Navigating the challenge of fixing long-standing bugs in PHP DOM extension [07:42](https://www.youtube.com/watch?v=JTVPND4--vg&t=462) Proposal to fix PHP 8.4 DOM compliance [10:09](https://www.youtube.com/watch?v=JTVPND4--vg&t=609) New PHP 8.4 implementation has significant differences from old one [15:19](https://www.youtube.com/watch?v=JTVPND4--vg&t=919) Pushing for updated PHP versions [17:48](https://www.youtube.com/watch?v=JTVPND4--vg&t=1068) Deprecated PHP classes being upgraded for compatibility [21:54](https://www.youtube.com/watch?v=JTVPND4--vg&t=1314) Testing for DOM compliance in PHP 8.4 [23:59](https://www.youtube.com/watch?v=JTVPND4--vg&t=1439) New userland solutions and the need for a new DOM extension in PHP 8.4 [28:22](https://www.youtube.com/watch?v=JTVPND4--vg&t=1702) PHP 8.4 introduces changes for DOM compliance --------------------------------- Detailed Summary for [PHP 8.4 will be DOM-compliant](https://www.youtube.com/watch?v=JTVPND4--vg) by [Merlin](https://merlin.foyer.work/) Title: PHP 8.4 Update: DOM Compliance for Improved HTML 5 Support [00:05](https://www.youtube.com/watch?v=JTVPND4--vg&t=5) PHP 8.4 brings Dom spec compliance - Dom extension in PHP used for parsing, querying, and manipulating XML/HTML documents - Current bugs in Dom extension related to namespace and attribute handling, potentially leading to security issues [02:42](https://www.youtube.com/watch?v=JTVPND4--vg&t=162) Navigating the challenge of fixing long-standing bugs in PHP DOM extension - Maintaining backwards compatibility while addressing bugs from two decades of buggy behavior - Ensuring code compatibility without requiring changes in the current DOM extension [07:42](https://www.youtube.com/watch?v=JTVPND4--vg&t=462) Proposal to fix PHP 8.4 DOM compliance - Issues with operation semantics and bugs addressed by RFC - Switching to a backwards compatible solution by using class aliases [10:09](https://www.youtube.com/watch?v=JTVPND4--vg&t=609) New PHP 8.4 implementation has significant differences from old one - Userland code will face difficulty in supporting both old and new classes simultaneously, but type unions may be used for semantic behavior - Switching to new implementation will require updating underlying classes, although automation tools like Rector may help [15:19](https://www.youtube.com/watch?v=JTVPND4--vg&t=919) Pushing for updated PHP versions - Advocating for package authors to tag new versions and promote the use of the latest PHP version. - Highlighting the manageable upgrade path, deprecations, and the benefit of using up-to-date PHP versions for the ecosystem. [17:48](https://www.youtube.com/watch?v=JTVPND4--vg&t=1068) Deprecated PHP classes being upgraded for compatibility - PHP community needs to move away from old, outdated, and insecure code - Upgrade to new Dom classes will support migration with minimal changes in method signatures [21:54](https://www.youtube.com/watch?v=JTVPND4--vg&t=1314) Testing for DOM compliance in PHP 8.4 - Testing every edge case and porting tests from JavaScript to PHP. - Relying on PHP's test suit and running PHP unit tests for real-world DOM utilizing libraries. [23:59](https://www.youtube.com/watch?v=JTVPND4--vg&t=1439) New userland solutions and the need for a new DOM extension in PHP 8.4 - People have implemented userland DOM libraries on top of the existing DOM extension - Need for an entirely new DOM extension, preserving backwards compatibility [28:22](https://www.youtube.com/watch?v=JTVPND4--vg&t=1702) PHP 8.4 introduces changes for DOM compliance - Backwards compatibility is taken into account in the changes - Interoperability between old and new implementations may be affected <!-- deep-read:sections end --> ## Highlights - I want to talk about another RFC and this one is actually related to one we talked about two weeks ago uh and that's let me check here the the HTML 5 support right and I was talking to Neils the the creator of this RFC and he told me yeah you really want to look into this one as well because uh there are some more changes coming to PHP 8.4 and you can't really uh like look at these two rfc's separately so that's what we're going to do today we're going to read through the optin Dom speec compliance and this is an interesting one I read the intro already we're going to go through it it's it's super interesting so the Dom extension in PHP is used to parse query and manipulate XML and HTML documents and if you remember from the previous video PHP is getting a new class uh the HTML document class which ([View Highlight](https://read.readwise.io/read/01j7smbn54stsgagw10m4hyb8j))