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Re: utf8_encode(utf8_decode(string)) doesn't return same string [message #180490 is a reply to message #180485]

Thu, 21 February 2013 22:29

Tim Streater
Messages: 328
Registered: September 2010

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Senior Member

In article <kg5rke$pp4$1(at)speranza(dot)aioe(dot)org>,
Giacomo M <kylnas(at)tiscali(dot)it> wrote:

> Il 21/02/2013 20:08, Tim Streater ha scritto:
>> In article <kg5plp$jk2$1(at)speranza(dot)aioe(dot)org>,
>> Giacomo M <kylnas(at)tiscali(dot)it> wrote:
>>
>>> Il 21/02/2013 16:58, The Natural Philosopher ha scritto:
>>>> "Please note that utf8_decode simply converts a string encoded in UTF-8
>>>> to ISO-8859-1. A more appropriate name for it would be
>>> utf8_to_iso88591.
>>>> If your text is already encoded in ISO-8859-1, you do not need this
>>>> function. If you don't want to use ISO-8859-1, you do not need this
>>>> function.
>>>>
>>>> Note that UTF-8 can represent many more characters than ISO-8859-1.
>>>> Trying to convert a UTF-8 string that contains characters that can't be
>>>> represented in ISO-8859-1 to ISO-8859-1 will garble your text and/or
>>>> cause characters to go missing. Trying to convert text that is not
>>>> encoded in UTF-8 using this function will most likely garble the text."
>>>
>>> Not my case. I first encode an ISO string in UTF, after i decode the
>>> same string. Why I get differet strings?
>>
>> Your title doesn't say that. It says you decode first, then encode.
>
> Is it not the same?
>
> I have an ISO-8859-1 xml file that I have to load with simplexml, so I
> first decode it. After that, I want to encode to return to ISO-8859-1.
> But I get different string.

If you want to do ISO -> UTF8 -> ISO then I would expect to do:

$iso = utf8_decode (utf8_encode ($iso));

according to the documentation, anyway.

--
Tim

"That excessive bail ought not to be required, nor excessive fines imposed,
nor cruel and unusual punishments inflicted" -- Bill of Rights 1689

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[Message index]

		utf8_encode(utf8_decode(string)) doesn't return same string By: Giacomo M on Thu, 21 February 2013 13:44
		Re: utf8_encode(utf8_decode(string)) doesn't return same string By: The Natural Philosoph on Thu, 21 February 2013 15:18
		Re: utf8_encode(utf8_decode(string)) doesn't return same string By: The Natural Philosoph on Thu, 21 February 2013 15:58
		Re: utf8_encode(utf8_decode(string)) doesn't return same string By: Giacomo M on Thu, 21 February 2013 18:39
		Re: utf8_encode(utf8_decode(string)) doesn't return same string By: Tim Streater on Thu, 21 February 2013 19:08
		Re: utf8_encode(utf8_decode(string)) doesn't return same string By: Giacomo M on Thu, 21 February 2013 19:13
		Re: utf8_encode(utf8_decode(string)) doesn't return same string By: Tim Streater on Thu, 21 February 2013 22:29

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