src/acdhOeaw/fedora/metadataQuery/QueryParameter.php
static public function escapeLiteral(string $literal): string {
        self::initSerializer();
        $value = self::$serializer->serialiseValue(new Literal($literal));
        return $value;
    }
static public function escapeLiteral(string $literal): string {
        self::initSerializer();
        $value = self::$serializer->serialiseValue(new Literal($literal));
        return $value;
    }
static public function escapeLiteral ( string $ literal ) : string { self :: initSerializer ( ) ; $ value = self :: $ serializer -> serialiseValue ( new Literal ( $ literal ) ) ; return $ value ; }
Escapes a given string as a literal

@param string $literal
@return string
Escapes a given string as a literal