IntlChar::toupper
PHP function
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(PHP 7, PHP 8)
Make Unicode character uppercase
Description
IntlChar::toupper(int|string $codepoint): int|string|null
The given character is mapped to its uppercase equivalent. If the character has no uppercase equivalent, the character itself is returned.
Parameters
codepointParameter
Return Values
Returns the Simple_Uppercase_Mapping of the code point, if any; otherwise the code point itself.
Return
Examples
Example
php
<?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:
output
string(1) "A"
string(1) "A"
string(2) "Φ"
string(2) "Φ"
string(1) "1"
int(65)
int(65)