note 121286 added to function.ctype-upper

This function works on single-byte characters. It recognizes the ASCII letters A - Z (values 0x65 - 0x90) as upper-case, and nothing else. It returns false for strings including Latin-1 capital letters like Ä or Ñ. ---- Server IP: 72.52.91.14 Probable Submitter: 213.47.126.150 ---- Manual Page -- http://php.net/manual/en/function.ctype-upper.php Edit -- https://master.php.net/note/edit/121286 Del: integrated -- https://master.php.net/note/delete/121286/integrated Del: useless -- https://master.php.net/note/delete/121286/useless Del: bad code -- https://master.php.net/note/delete/121286/bad+code Del: spam -- https://master.php.net/note/delete/121286/spam Del: non-english -- https://master.php.net/note/delete/121286/non-english Del: in docs -- https://master.php.net/note/delete/121286/in+docs Del: other reasons-- https://master.php.net/note/delete/121286 Reject -- https://master.php.net/note/reject/121286 Search -- https://master.php.net/manage/user-notes.php