IntlChar::toupper
(PHP 7)
IntlChar::toupper — Make Unicode character uppercase
Description
The given character is mapped to its uppercase equivalent. If the character has no uppercase equivalent, the character itself is returned.
Parameters
Return Values
Returns the Simple_Uppercase_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.
Examples
Example #1 Testing different code points
<?php
var_dump(IntlChar::toupper("A"));
var_dump(IntlChar::toupper("a"));
var_dump(IntlChar::toupper("Φ"));
var_dump(IntlChar::toupper("φ"));
var_dump(IntlChar::toupper("1"));
var_dump(IntlChar::toupper(ord("A")));
var_dump(IntlChar::toupper(ord("a")));
?>
The above example will output:
string(1) "A" string(1) "A" string(2) "Φ" string(2) "Φ" string(1) "1" int(65) int(65)
See Also
- IntlChar::tolower() - Make Unicode character lowercase
- IntlChar::totitle() - Make Unicode character titlecase
- mb_strtoupper() - Make a string uppercase
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Document created the 30/01/2003, last modified the 26/10/2018
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References
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