HH\Lib\Str\uppercase

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This is available as Str\uppercase in the www repository.

Returns the string with all alphabetic characters converted to uppercase

namespace HH\Lib\Str;

function uppercase(
  string $string,
): string;

Guide

$string = "hhvm";

$string_upper = Str\uppercase($string);
echo "Uppercase string: $string_upper \n";
//result: Uppercase string: HHVM