Description
At a glance
Looking for WP OPcache v4.2.3? It is available here as a free GPL download for WordPress — 10K+ active installs · 4.8/5 rating from 20 reviews · updated February 27, 2025 · requires WordPress 6.0+ & PHP 8.1+.
Flush OPcache
- creates a button in admin bar to flush OPcache
- flush only files in WordPress absolute path
- individual or bulk file invalidation
- support both memory and file caching
- support multisite
OPcache Statistics
- memory, hits, strings and keys statistics
- directives, functions and general informations
- list all files
- fully responsive
WP CLI ready
- add flush-opcache command to flush cache with cli:
wp flush-opcache flush - don’t forget to add
opcache.enable_cli=1to your PHP configuration
There are three tabs in admin page under Tools:
- General settings: plugin settings
- Statistics: responsive dashboard about OPcache statistics
- Cached files: list of cached files with the possibility of invalidating them
Frequently asked questions
What is WP OPcache?
WP OPcache is a free WordPress plugin available under the GPL license. The current version is 4.2.3. It is active on over 10K websites.
Is WP OPcache free to download?
Yes — WP OPcache 4.2.3 is a free GPL download with no hidden fees, no account needed, and no feature locked behind a paywall in this package. Users rate it 4.8 out of 5 based on 20 reviews.
How do I install WP OPcache 4.2.3?
Download the ZIP file from this page, then in your WordPress dashboard go to Plugins → Add New → Upload Plugin, choose the file, click Install Now, then Activate. The plugin works immediately after activation — no license key or extra setup is required for the core features.
What are the requirements for WP OPcache?
WP OPcache 4.2.3 requires WordPress 6.0 or higher and PHP 8.1 or higher. Most modern WordPress hosts already meet these versions. Running older versions may cause features to break, so update WordPress and PHP first if your site is behind.
When was WP OPcache last updated?
Version 4.2.3 was last updated on February 27, 2025. This page is refreshed automatically, so the download here always matches the newest version we have verified.
Is the WP OPcache download safe?
The file is sourced directly from the official WordPress.org repository — the same file the developer published. It is served unmodified, so what you install here is byte-identical to the official release.
Version: 4.2.3
Updated: October 1, 2026
Technical details
| Version | 4.2.3 |
|---|---|
| Last updated | February 27, 2025 |
| Active installs | 10,000+ |
| Rating | ★★★★★ 4.8/5 (20 reviews) |
| Requires WordPress | 6.0 or higher |
| Requires PHP | 8.1 or higher |
| Author | nierdz |
| Tags | cache, flush, multisite, opcache, php |
Demo WP OPcache
Download WP OPcache
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