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Editorial Team
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Asked: 2026-05-31T05:38:47+00:00

I am facing this problem where due to multibyte characters the string value changes

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I am facing this problem where due to multibyte characters the string value changes when returned from a function.Please consider below statements

print "charEncoding string val = " . $enc->($val) . "\n\n";
#prints charEncoding string val = 歡迎來到雅虎!

my $encoded = $enc->($val);  <---- $encoded is not same as $enc->($val).

print "\n charEncodingo $encoded == $val " ;
#prints charEncodingo æ­¡è¿&#142;ä¾&#134;å&#136;°é&#155;&#133;è&#153;&#142;! == &#27489;&#36814;&#20358;&#21040;&#38597;&#34382;!
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1 Answer

  1. Editorial Team

    Well … yeah. The purpose of most functions, including Encode::encode_utf8, is to change the value of the input. The input to Encode::encode_utf8 may contain wide characters (where ord($char) > 255), but the output is always a byte string (where ord($char) <= 255 is true for every character in the string).

    The part of your question that is hard to believe is your first sample output, 

    #prints charEncoding string val = &#27489;&#36814;&#20358; ...

    where you suggest that the output of Encode::encode_utf8 contained wide characters. You should double check that part.

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