At WordCamp US 2026, contributors engaged in an informal discussion to evaluate the relationship between the WordPress project and the PHP language, highlighting current challenges and opportunities for collaboration. This conversation focused on historical pain points, including the perception of WordPress developers within the PHP community and the implications of WordPress’s long-standing commitments to backwards compatibility. Specific issues mentioned included compatibility difficulties for plugins reliant on more current PHP features and strategies for improving proactive involvement in language discussions, particularly in light of recent developments such as the need for security and performance enhancements.

The conversation underscores a period where PHP version adoption remains stagnant, with approximately 18% of websites still utilizing PHP 7.4. There is a growing recognition among participants that the evolution of PHP and its features can significantly influence the capabilities and performance of WordPress, particularly in development environments. The potential for enhancements in security and performance through discussions around modern PHP versions, such as 8.x, indicates a readiness within the community to adapt to new paradigms in web development.

Key technical considerations raised included the challenges of testing compatibility and the necessity for improvement in tooling, such as the anticipated release of PHP_CodeSniffer. The dialogue suggested that the creation of local PHP development environments, like a nightly Docker container, could optimize workflows and ensure better integration of newer features into the WordPress ecosystem while addressing longstanding concerns related to backwards compatibility.

For developers seeking detailed insights into these discussions, the full resource documents specific proposals for enhancing plugin security through PHP module flags and highlights the need for a more structured engagement with PHP community initiatives, providing a meticulous assessment of the current technical landscape.

Author of the original text: annezazu (Make WordPress Core)