They are not tracking any personal data and they're needed so you can login to the site. Cookies such as tl, tu, tq and tve are used for showing various forms and pop-ups. If such were removed, you would constantly see pop-ups appear on your screen. This cookies are used to analyze the traffic and provide information where the traffic comes from and what content read.
The traffic is anonymized. This cookies are used for marketing purpose through Facebook Ads. It uses the Facebook Pixel. Plugins Themes WordPress. On the lines after we checked that the file exists, we are cleaning the result, getting the filename and the extension.
The extension is important because we can then check if this extension is allowed for download. We are also using the extension to set the right headers to send from the server. After that we are creating a variable called whitelist. This variable will be used to define an array with all the extensions that are available for download. We are also applying a filter which can be used to extend this array or not. How to use WordPress filter can be learned here.
After that we are checking if the file is allowed and also to check if the file is not a php file just to be sure. If those checks pass we are setting the content type for the headers we will send from the server. We are also applying a filter to this variable and we are also passing an additional parameter which is the extension.
By using this filter together with the filter before we can extend this functionality and enable other files for download. When everything is set we are sending to our user different headers with the file for download. Like this: Like Loading All Posts Website. Share this: ManageWP. After that this code worked as treat, so, many thanks! Igor Benic May 24, at am. Thank you very much for that! I saw the errors in the code and corrected them.
Nathan Hawkes September 26, at am. Igor Benic September 27, at am. Hi Nathan, thank you for the comment. That might be a much better way of handling it, I agree! Hope that helped or gave you an idea on how you could handle that: Reply. There ist nothinh happening when the url changes— Reply. Igor Benic October 18, at pm. Arun February 15, at pm. Igor Benic May 7, at pm.
PNG files are not considered dangerous and are permitted by default. There was some other strange thing giving the exception. To go forward and find out what it was, I temporarily fixed the issue by adding the following line at the top of my script:. Note, that is NOT a fix for the error itself, but just a bypass in order to get to the root of the problem.
Undefined index errors appear when the array you are sending to the function does not exist anymore. Look at your code and analyze why did it disappear? Was it there in the first place? In my case it was a sloppy typo error. I had some test code that I forgot to delete note lines and :. Collectives on Stack Overflow. Learn more. Asked 4 years, 8 months ago. Active 6 months ago. Viewed 11k times. Improve this question. Community Bot 1 1 1 silver badge. Add a comment. Active Oldest Votes. Improve this answer.
This will work only in some browser. Safari is not one of them! I needed this in my Wordpress site and it worked perfectly! Thank you!
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