php7.4 use (APCu Manager 4.0.0) | WordPress.org
If you *need* to use a version compatible with deprecated PHP versions, just download and install an old APCu Manager version. I think 3.7.2 version of the plugin will allows PHP > 7.2…
But you do it at your own risk…
APCu Manager (advanced view) – WordPress plugin | WordPress.org
