- How to change your PHP versionOne click, and PHP restarts within a few seconds. Check on a staging copy first if the site earns money — an old plugin can fatal on a newer PHP.
- How to check what a PHP setting actually isThe overrides list only shows what you have changed, so ask PHP directly with one command over SSH, or a temporary file made in the Files screen.
- How to enable Redis object cachingTwo steps — start the Redis server, then install the plugin that makes WordPress use it. Switching the first on alone does nothing to your site.
- How to raise the PHP memory limit and upload sizeOne click each on the PHP screen. Raise upload_max_filesize and post_max_size together, or large uploads still fail.
- PHP settingsEvery version with its security state on the tile, four one-click limits, a raw php.ini override list, an error log, and two caching switches that do different jobs.
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