Re: foreach() for strings
| From: | Reindl Harald | Date: | Wed, 22 Jun 2011 13:40:22 +0000 |
| Subject: | Re: foreach() for strings | ||
| References: | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-53509@lists.php.net to get a copy of this message | ||
Am 22.06.2011 15:30, schrieb Gustavo Lopes:
> Em Wed, 22 Jun 2011 13:21:10 +0100, Reindl Harald <h.reindl@thelounge.net> escreveu:
>
>> Am 22.06.2011 14:14, schrieb Gustavo Lopes:
>>> It's actually 3 lines:
>>>
>>> function str_is_utf8($str) {
>>> return $str == "" || htmlspecialchars($str, 0, "UTF-8");
>>> }
>>
>>
>> WTF should this do?
>> this won't return boolean
>>
>
> The reason it works is that
> 1) || coerces the operands into booleans (if they get to be evaluated)
> 2) htmlspecialchars returns "" on bad input sequence
> 3) (bool) "" === false
>
> But even if you didn't know these things, you should have bothered to at least test it
> before sending this response
and why this will not return true if $str is ISO-8859-1?
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