public static function hasServerVariable(string $name, bool $ignoreCase = false): bool
    {
        return ArrayUtils::doesArrayHaveValueForKey(self::$server, $name, $ignoreCase);
    }
public static function hasServerVariable(string $name, bool $ignoreCase = false): bool
    {
        return ArrayUtils::doesArrayHaveValueForKey(self::$server, $name, $ignoreCase);
    }
public static function hasServerVariable ( string $ name , bool $ ignoreCase = false ) : bool { return ArrayUtils :: doesArrayHaveValueForKey ( self :: $ server , $ name , $ ignoreCase ) ; }
Check if a server variable with the given name exists.

@param string $name
The name of the server variable.

@param bool $ignoreCase
[optional]
Whether to treat lowercase and uppercase letters as equivalent during the search.

@return bool Whether the server variable with the given name exists.
Check if a server variable with the given name exists .