Support » Plugin: Frontend Uploader » AJAX Error? Other issues

  • Hello,

    Thank you for a great plug-in! However, I am having a few issues with the form.

    1. When using [fu-upload-form form_layout=”post_image” class=”your-class” title=”Post”], I click submit and then get redirected back to the empty form. The post does not show up in the admin panels, “Posts” or “Media”. Is there a fix for this? (“Posts” is selected in Enable Frontend Uploader for the following post types, in settings)

    2. When using [fu-upload-form form_layout=”post” class=”your-class” title=”Post”], I click submit and receive this warning message:

    Warning: join() [function.join]: Invalid arguments passed in /home/content/51/8922551/html/stylish/wp-content/plugins/frontend-uploader/frontend-uploader.php on line 379

    Warning: Cannot modify header information – headers already sent by (output started at /home/content/51/8922551/html/stylish/wp-content/plugins/frontend-uploader/frontend-uploader.php:379) in /home/content/51/8922551/html/stylish/wp-includes/pluggable.php on line 876

    What does that mean? Is there a fix for this or something I need to enter in PHP?

    3. When using [fu-upload-form class=”your-class” title=”Post”], the form is submitted and I see the uploaded successfully message, but it only goes to “Media” in the admin panel. I’d like to have it be a post, but due to the errors in 1 & 2 above, I can’t.

    Also, the title does not change with this shortcode, but it does for 1 & 2 above??

    4. Field size. Is there a way to change the input field size? I insert size=”n”, but no matter what number I chose, the field size does not change. Do I need do add something to PHP?

    5. Categories. In settings I have left blank for all and have also inserted manually, but categories do not appear on the form. Will you please explain how this feature works? Can it be inserted in the form as a drop down menu with a shortcode?

    I am using Safari and latest version of WP, if that helps at all.

    Thank you so much for your time in responding to these issues!

Viewing 6 replies - 1 through 6 (of 6 total)
  • Plugin Author Rinat Khaziev


    1-3 are known bugs and will be fixed shortly.

    4. You can change the size with CSS, input fields are don’t have any limitations on characters size
    5. Currently will require some extra php logic to handle categories. If you have basic php logic/ability to modify the theme, I’ll gladly provide a code snippet for you.

    Thanks for the response. I’ll be on the look out for the fixes.

    For CSS, I don’t see a file, do I need to change it in my theme’s CSS file? I want the fields smaller, they’re as long as the page and I’d like to shorten them, if possible.

    Yes, please provide the code snippet for handling categories.

    Thank you

    Plugin Author Rinat Khaziev


    Try 0.5.4 and let me know if you still get any of those errors.

    I updated and still have all the same problems. Except this time the warning refers to line 380 not 379.

    Plugin Author Rinat Khaziev


    Can you post full shortcode that you are using please?

    [fu-upload-form form_layout=”post” title=”my title”]
    [input type=”submit” class=”btn” value=”Submit Your Post”]

    I have additional input fields included but did not list each here.

    I tried the form in both Safari and Chrome with the same errors.

    You can view the form at:

    Please see my first message above for the results using the other shortcodes. They are still producing the same issues.

    Thanks for your help.

Viewing 6 replies - 1 through 6 (of 6 total)
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