IntlChar::toupper
(PHP 7)
IntlChar::toupper — Make Unicode character uppercase
Description
public static mixed IntlChar::toupper ( mixed $codepoint )The given character is mapped to its uppercase equivalent. If the character has no uppercase equivalent, the character itself is returned.
Parameters
codepoint
The integer codepoint value (e.g. 0x2603 for U+2603 SNOWMAN), or the character encoded as a UTF-8 string (e.g. "\u{2603}")
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
← IntlChar::totitle
IntlException →
? 1997–2017 The PHP Documentation GroupLicensed under the Creative Commons Attribution License v3.0 or later.
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