how to show Arabic letters in php file? [duplicate]

问题

Arabic letters shows as question marks as in picture.

I have tried all of these codes but it doesn't work.

CONTENT="text/html; charset=windows-1256 

HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-6

charset=UTF-8

META HTTP-EQUIV="Content-language" CONTENT="ar"`

来源：https://stackoverflow.com/questions/62218389/how-to-show-arabic-letters-in-php-file

标签

php

html

arabic

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