note 85866 added to function.utf8-encode
| From: | bitseeker at osu1 dot php dot net | Date: | Mon, 22 Sep 2008 09:07:45 +0000 |
| Subject: | note 85866 added to function.utf8-encode | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-144598@lists.php.net to get a copy of this message | ||
...or just use this simple piece of code to check valid utf-8 string:
/**
* Returns true if $string is valid UTF-8 and false otherwise.
*
* @since 1.14
* @param [mixed] $string string to be tested
* @subpackage
*/
function is_utf8($string) {
// From http://w3.org/International/questions/qa-forms-utf-8.html
return preg_match('%^(?:
[\x09\x0A\x0D\x20-\x7E] # ASCII
| [\xC2-\xDF][\x80-\xBF] # non-overlong 2-byte
| \xE0[\xA0-\xBF][\x80-\xBF] # excluding overlongs
| [\xE1-\xEC\xEE\xEF][\x80-\xBF]{2} # straight 3-byte
| \xED[\x80-\x9F][\x80-\xBF] # excluding surrogates
| \xF0[\x90-\xBF][\x80-\xBF]{2} # planes 1-3
| [\xF1-\xF3][\x80-\xBF]{3} # planes 4-15
| \xF4[\x80-\x8F][\x80-\xBF]{2} # plane 16
)*$%xs', $string);
}
----
Server IP: 217.160.72.57
Probable Submitter: 92.75.5.19
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Manual Page -- http://www.php.net/manual/en/function.utf8-encode.php
Edit -- https://master.php.net/note/edit/85866
Del: integrated -- https://master.php.net/note/delete/85866/integrated
Del: useless -- https://master.php.net/note/delete/85866/useless
Del: bad code -- https://master.php.net/note/delete/85866/bad+code
Del: spam -- https://master.php.net/note/delete/85866/spam
Del: non-english -- https://master.php.net/note/delete/85866/non-english
Del: in docs -- https://master.php.net/note/delete/85866/in+docs
Del: other reasons-- https://master.php.net/note/delete/85866
Reject -- https://master.php.net/note/reject/85866
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