Support » Plugin: WP Super Cache » WordPress 4.9.1 Editor can no longer save theme code

  • Resolved Andrew Hewatt

    (@andrewhewatt)


    Hi There, after updating to WordPress 4.9.1 I found I was unable to save files using the Appearance > Editor section while WP Super Cache was activated and caching was turned on.

    When trying to save a change to a theme file I get the error “Unable to communicate back with site to check for fatal errors, so the PHP change was reverted. You will need to upload your PHP file change by some other means, such as by using SFTP.”

    This is fixed when I either turn off caching under the “Easy” tab or deactivate the plugin all together. Please consider fixing this issue so caching can be left on while editing.

Viewing 5 replies - 1 through 5 (of 5 total)
  • Hi @andrewhewatt

    I tried to reproduce this, but without success. You should enable debug mode into WP – https://codex.wordpress.org/Debugging_in_WordPress It’s probably fatal error in PHP and you need to find it into PHP error logs (or wp-content/debug.log if you enable WP_DEBUG). If you provide more details about error, then we can find out what’s exact issue.

    Regards,
    Sasa

    I have the same problem. It is the same as the 4.9 theme editor bug, only not fixed in 4.9.1.

    Are you suggesting it may be an new incompatibility with older versions of PHP?

    Is there a specific REQUIRED version of PHP that MUST be running as of 4.9.1? As soon as I updated from a prior version, I got the error. I know I probably need to update PHP, but what exactly is the absolute oldest version that can be used with 4.9.1?

    @sasa thank you for the reply. It looks like an isolated issue with this instance of WordPress so I’m guessing it’s an error as you mentioned or a configuration issue.

    Go to your Plugins and install new plugin called “Theme editor“, this will allow you edit and save your themes PHP file codes comfortably without using the FTP as requested by the WordPress version. Additionally, you can also use “WP Editor” plugin to fix the issue.

    You can as well see the full tutorial via https://prexblog.com/error-fixed-wordpress-inability-to-edit-and-save-theme-php-files/

    add: define(‘WP_ALLOW_REPAIR’,true); in wp-config.php
    go: <you domain>/wp-admin/maint/repair.php
    remove: define(‘WP_ALLOW_REPAIR’,true); from wp-config.php

Viewing 5 replies - 1 through 5 (of 5 total)
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