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Best php compatibility plugins for WordPress

The most popular php compatibility plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Plugin Compatibility Checker leads with 10K+ active installs, ahead of phpinfo() WP (3K+) and Eli's PHP Compatibility Scanner (1K+). All 18 plugins tagged “php compatibility” are below, with figures from WordPress.org that update every day.

Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.

Research this niche or see all plugins.

Top 10 php compatibility plugins

  1. 1.
    Plugin Compatibility Checker

    The most installed php compatibility plugin, with 10K+ active installs. Rated 4.2 from 12 reviews, updated 2 weeks ago.

  2. 2.
    phpinfo() WP

    3K+ active installs. Rated 4.5 from 8 reviews, updated 1 week ago.

  3. 3.
    Eli's PHP Compatibility Scanner

    1K+ active installs. Only 2 reviews so far, updated 1 month ago.

  4. 4.
    CompatNav

    300+ active installs. No reviews yet, updated 1 week ago.

  5. 5.
    Airworthy

    300+ active installs. Only 1 review so far, updated 1 week ago.

  6. 6.
    Bumpcheck

    70+ active installs. No reviews yet, updated 3 weeks ago.

  7. 7.
    Upgrade Readiness Monitor

    10+ active installs. No reviews yet, updated 4 months ago.

  8. 8.
    Health Radar

    10+ active installs. No reviews yet, updated 7 months ago. Tested only up to WordPress 6.9.11.

  9. 9.
    Leaplens

    Fewer than 10 active installs. No reviews yet, updated 4 days ago.

  10. 10.
    CatCode PHP Upgrade Check for WooCommerce

    Fewer than 10 active installs. No reviews yet, updated 4 days ago.

All 18 plugins tagged “php compatibility”