PHP compatibility checker for your PHP upgrade: see which plugins and themes are ready for PHP 8, which need fixing, and which look abandoned.
Alternatives to PHP Compatibility Checker
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
Relevant replacements
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Detect PHP error spikes, recurring patterns, request impact and source-version changes with grouped local diagnostics.
A PHP compatibility checker for your plugins and themes. See which files and lines will break on PHP 8 before you upgrade.
Check PHP compatibility for every plugin and theme, PHP 8.0 to 8.6, before your host upgrades. Scans the files on your own server.
Check plugin compatibility and repository health, track updates, roll back WordPress.org plugins, and download installed versions as ZIP files.
Check plugins and themes for PHP 8.4 compatibility before you upgrade. Runs on any host, no exec(), with file and line for every issue.
PHP compatibility check before you upgrade: scans every plugin and theme locally and shows what will break on PHP 8.0–8.5.
Scan and check your WordPress site for PHP, Database (MySQL/MariaDB), and Plugin compatibility to ensure safe upgrades to WordPress 7.0 and beyond.
Check PHP compatibility before you upgrade: scans plugins and theme on your own server and tells you what will break on PHP 8.x. No external service.
This plugin scans your installed plugins and themes for potential PHP compatibility issues when upgrading to newer PHP versions.