IntlChar::totitle
(PHP 7)
IntlChar::totitle — Make Unicode character titlecase
说明
The given character is mapped to its titlecase equivalent. If the character has no titlecase equivalent, the original character itself is returned.
参数
返回值
Returns the Simple_Titlecase_Mapping of the code point, if any; otherwise the code point itself.
The return type will be integer unless the code point was passed as a UTF-8 string, in which case a string will be returned.
范例
Example #1 Testing different code points
<?php
var_dump(IntlChar::totitle("A"));
var_dump(IntlChar::totitle("a"));
var_dump(IntlChar::totitle("Φ"));
var_dump(IntlChar::totitle("φ"));
var_dump(IntlChar::totitle("1"));
var_dump(IntlChar::totitle(ord("A")));
var_dump(IntlChar::totitle(ord("a")));
?>
以上例程会输出:
string(1) "A" string(1) "A" string(2) "Φ" string(2) "Φ" string(1) "1" int(65) int(65)
参见
- IntlChar::tolower() - Make Unicode character lowercase
- IntlChar::toupper() - Make Unicode character uppercase
- mb_convert_case() - 对字符串进行大小写转换