How to transcode a string to urlencode-php Tutorial

How to transcode a string to urlencode directly using urlencode? the result is a string instead of the following: % 6E1% 7A % 62% 2F % 6D % 615% 5C % 76% how can an English character be converted to this sharing: how can a string be transcoded into a urlencode format?
Use urlencode directly for transcoding, and the result is a string.
Not like this: % 6E1% 7A % 62% 2F % 6D % 615% 5C % 76% 740
How can I convert English characters to this type?

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------ Solution --------------------

Echo $ s = preg_replace ('/../', '% $ 0', bin2hex ('ABC'); // % 61% 62% 63
Echo urldecode ($ s); // abc