We need to set the encoding of texts we store into database to
UTF-8 if we work with Arabic texts. Otherwise, Arabic texts appear like
?????????? in our database.
Once we create a database connection variable, we must set it’s charset into
UTF-8 like this:
$connection = mysqli_connect("localhost", "username", "password","db");
And one more thing, we need to set our table (or a specific row) collation to
utf8_general_ci like this: