note 99925 added to function.utf8-encode

Avoiding use of preg_match to detect if utf8_encode is needed: $string = $string_input; // avoid being destructive $string = preg_replace("#[\x09\x0A\x0D\x20-\x7E]#" ,"",$string); // ASCII $string = preg_replace("#[\xC2-\xDF][\x80-\xBF]#" ,"",$string); // non-overlong 2-byte $string = preg_replace("#\xE0[\xA0-\xBF][\x80-\xBF]#" ,"",$string); // excluding overlongs $string = preg_replace("#[\xE1-\xEC\xEE\xEF][\x80-\xBF]{2}#","",$string); // straight 3-byte $string = preg_replace("#\xED[\x80-\x9F][\x80-\xBF]#" ,"",$string); // excluding surrogates $string = preg_replace("#\xF0[\x90-\xBF][\x80-\xBF]{2}#","",$string); // planes 1-3 $string = preg_replace("#[\xF1-\xF3][\x80-\xBF]{3}#" ,"",$string); // planes 4-15 $string = preg_replace("#\xF4[\x80-\x8F][\x80-\xBF]{2}#","",$string); // plane 16 $rc = ($string == ""?true:false); ---- Server IP: 69.147.83.197 Probable Submitter: 217.130.241.106 ---- Manual Page -- http://www.php.net/manual/en/function.utf8-encode.php Edit -- https://master.php.net/note/edit/99925 Del: integrated -- https://master.php.net/note/delete/99925/integrated Del: useless -- https://master.php.net/note/delete/99925/useless Del: bad code -- https://master.php.net/note/delete/99925/bad+code Del: spam -- https://master.php.net/note/delete/99925/spam Del: non-english -- https://master.php.net/note/delete/99925/non-english Del: in docs -- https://master.php.net/note/delete/99925/in+docs Del: other reasons-- https://master.php.net/note/delete/99925 Reject -- https://master.php.net/note/reject/99925 Search -- https://master.php.net/manage/user-notes.php