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Given: CR = %0d = \r LF = %0a = \n What does %3E, %3C Mean?
URL encoding converts characters into a format that can be transmitted over the Internet. URLs can only be sent over the Internet using the ASCII character-set. Since URLs often contain characters outside the ASCII set, the URL has to be converted into a valid ASCII format.
When encoding a URL, a character may not be available on the keyboard. Other times, the character of a URL might not be usable in contexts where it may conflict with a reserved character. In either case, the character can be encoded with a % followed by its ASCII hexadecimal equivalent code.
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The %0A is an url encoded character. To remove them in PHP, use urldecode() function. [ADD] If you want to remove adding spaces (you have some here : value="AF "), use trim() function in the echo treatment. And review your database content to remove spaces with TRIM like this : UPDATE countries set countryname = TRIM(countryname);
%0A is URL-encoding of a newline, which you would use in (obviously) URLs.
would be the HTML-encoding of the same character that you would use in HTML, but it doesn't work, for a variety of reasons.
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