function ByteString::upper

Overrides AbstractString::upper

File

vendor/symfony/string/ByteString.php, line 476

Class

ByteString

Represents a binary-safe string of bytes.

Namespace

Symfony\Component\String

Code

public function upper() : static {
    $str = clone $this;
    $str->string = strtoupper($str->string);
    return $str;
}