Support » Plugin: Highlighting Code Block » I use this plugin a lot

  • The plugin developer and the plugin itself are very good. Wish them all the best.
    Being a developer takes a huge time, effort, money & sacrifice. If you’re a user of this plugin like me, do not just leave your negative feedback unless you talked to the support.

    Also, if you were a backbencher like me and if you’re still a backdated who uses an older version of PHP (just like me), please feel free to use this plugin with peace of mind.


Viewing 7 replies - 1 through 7 (of 7 total)
  • Plugin Author Ryo


    The indication “Tested up to 6.1.1.” is the WordPress version. Not PHP.

    At least in my development environment, I have confirmed that it works fine with 8.1.9.

    Please check again whether there is a problem with another plugin or the theme you are using. (There are a lot of plugins that have issues with 8.1.)

    If you really have a problem with this plugin, please let us know the details.

    If there is a problem, we can fix it if you provide us with information, but such rude reviews that include misunderstandings will only discourage developers.

    Thread Starter Shihab Ul Haque


    You’re correct, it’s the WordPress version and not PHP. Anyways, after upgrading the PHP to 8.1, I got the following error:

    Fatal error: Uncaught Error: Call to undefined function mb_strtolower() in /home/fbainspe/public_html/shihabiiuc/wp-content/plugins/highlighting-code-block/highlighting-code-block.php:34 Stack trace: #0 [internal function]: {closure}('LOOS_HCB') #1 /home/fbainspe/public_html/shihabiiuc/wp-content/plugins/highlighting-code-block/highlighting-code-block.php(58): spl_autoload_call('LOOS_HCB') #2 /home/fbainspe/public_html/shihabiiuc/wp-includes/class-wp-hook.php(308): {closure}('') #3 /home/fbainspe/public_html/shihabiiuc/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array) #4 /home/fbainspe/public_html/shihabiiuc/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #5 /home/fbainspe/public_html/shihabiiuc/wp-settings.php(480): do_action('plugins_loaded') #6 /home/fbainspe/public_html/shihabiiuc/wp-config.php(107): require_once('/home/fbainspe/...') #7 /home/fbainspe/public_html/shihabiiuc/wp-load.php(50): require_once('/home/fbainspe/...') #8 /home/fbainspe/public_html/shihabiiuc/wp-admin/admin.php(34): in /home/fbainspe/public_html/shihabiiuc/wp-content/plugins/highlighting-code-block/highlighting-code-block.php on line 34

    Even I downgraded PHP to 7.4 but still getting the same issue.

    Thread Starter Shihab Ul Haque


    In addition to my above reply, you said that it’s a rude review.

    Was the 1-star seem to be rude or something else?

    Please stay on topic. Test your plugin on a live server with PHP 7.4+ (not in dev env) and see the action yourself.

    I am lucky because you created such a plugin and gave us for free. At the same time, I am also frustrated because I may have to replace it and update the same content in more than 500 places. Just think from my perspective.

    However, feedback & ratings are not static/fixed in this platform. Those can be updated as you fix your plugin.

    Looking forward to your response/fix.

    Thank you.

    Plugin Author Ryo


    Reading the error message, it seems to be caused by an undefined function called mb_strtolower().

    This is a function that should have been included by default since PHP 4.3.
    Please check to see if there is a problem with the PHP installed on your server.

    Plugin Author Ryo


    I called this review “rude” for the following reasons

    – You should have provided information about what errors you are suffering from. (Without that information I can’t solve anything.)
    – You assumed that the cause of the glitch was entirely due to our plugin without providing the information necessary to resolve the issue.
    – And if you wanted the problem fixed, you should have reported it first via the support page.
    – However, you did not do so, and suddenly gave it a rating of 1 star.

    This kind of behavior of giving a 1 star rating first to attract the attention of the developers and force them to fix the problem should be stopped in the future.

    You said “Just think from my perspective.” and that is our line.

    We, the developers, want to fix the bugs if there are any. We are also sorry for any inconvenience it may cause.

    However, this kind of action discourages developers who develop plug-ins for free. It is not constructive.

    If you have a problem, please talk to us normally first.

    Then we will help you solve it.

    Note: English with a translation tool. Sorry if the language is too strong.

    • This reply was modified 1 year, 3 months ago by Ryo.
    Thread Starter Shihab Ul Haque


    Hello, I contacted the hosting and this is what they said:

    I have already checked and there are no issues with the PHP that is installed from our end.
    Resolving your concern is also very important to us, but I’m afraid the issue lies with the plugin.

    Also, they tried and checked for a lot of things. However, none of them worked.

    I decided to go with PHP 7.3 and update my feedback.

    Thank you.

    Plugin Author Ryo


    I checked again on some of my sites and mb_strtolower() is never Undefined.

    It worked fine on all of php7.4, 8.0, and 8.1.

    Please try the following

    1. Check for the presence of the mbstring package in phpinfo().
    2. Use the default theme and stop all plugins except this plugin and see if you still get the same error.
    3. Check if the same error occurs on a different server environment.

Viewing 7 replies - 1 through 7 (of 7 total)
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