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Editorial Team
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Asked: 2026-05-16T15:59:40+00:00

I have a question! I want to print an unicode string in php (like

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I have a question!
I want to print an unicode string in php (like ‘سلام’)!
but when I use echo only some ??? apear!!!

what whould I do???
This happens hen I want to cho string that retrieved from database! 

echo 'سلام';

result is:

????

I tried using header function but that didn’t help me!

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1 Answer

  1. Editorial Team

    You need to do three things:

    1. Make sure you’re receiving the data as UTF-8 data. For MySQL, query SET NAMES 'utf8' before selecting records.
    2. Make sure you’re using UTF-8 compatible functions when dealing with UTF-8 strings.
    3. Make sure you’re setting the output encoding as UTF-8. For HTML, this can be done by setting the Content-type HTTP header to (e.g.) text/html; charset=utf-8.

    Of course, replace “UTF-8” with whatever encoding you want which supports the characters you need. There’s no need to change the database tables (except for possible performance gains). You may need to change HTML templates, etc. if you decide on UTF-16 or something else which isn’t (mostly) ASCII-compatible.

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