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I am trying to filter user input depending on their charset. I am displaying keywords from user inputs to other users but to not want to display e.g. arabic or chinese characters but only english/latin characters.
How can I do that with PHP? Is there a easy solution on doing this?
Thanks.
Use the mb_detect_encoding function to detect the charset.
This requires the Mbstring extension to be active in PHP, which it is on most servers.