Testing Page Cache without Debug Mode

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  • Thread Starter Pereira

    (@marcosmyara)

    c’mon people, there must be someone who can help me out with this simple question..

    also would like to be updated on the blank page issue, seems to be widely reported.

    The ‘blank page’ issue is generally a fatal error in PHP. Set WP_WBUG to true in your wp-config.php to see what the error is.

    I found that having debug mode enabled for the page cache caused this error because the plugin calls a function before it has been declared.

    You can fix it either by using the ‘Late init’ mode or alternatively checking the caches directly.

    For the file based page cache you can just look on the server to see if it has created the files under wp-content.

    For APC you can get an overview of the contents using

    print_r(apc_cache_info());

    Then empty the page cache go to a page, refresh it and it should be in the cache. Look at the output from the above function again and you should see the numbers change indicating it’s working.

    For memcached you’ll need to follow the steps on here https://serverfault.com/questions/207356/view-content-of-memcached

    Hopefully Frederick will have the page cache debug options patched up soon.

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