Impacted plugin

Boost

Quick summary

In case "define" followed by "WP_CACHE" is found the wp-config.ph file, the line
define( 'WP_CACHE', true ); // Boost Cache Plugin
is added.

It should not be added if
const WP_CACHE = true;
can be found.
See Page_Cache_Setup.php

Steps to reproduce

1. Ensure wp-config.ph contains const WP_CACHE = true;
2. Install and activate Jetpack Boost
3. Turn on Page Cache in Jetpack Boost dashboard
4. Inspect PHP error_log and observe massive amount of error messages about WP_CACHE already being defined

A clear and concise description of what you expected to happen.

1 No added line i wp_config.php
2 Noe PHP errors as mentioned above

What actually happened

Massive amount of PHP error messages about WP_CACHE already being defined

Impact

Some (< 50%)

Available workarounds?

No but the platform is still usable

Platform (Simple and/or Atomic)

Self-hosted

Logs or notes

No response