trader_add (PECL trader >= 0.2.0)trader_add — Vector Arithmetic Add 说明 trader_add(array $real0, array $real1): array Calculates the vector addition of real0 to real1 and returns the resulting vector. 参数 real0 浮点数数组。 real1 浮点数数组。 返回值 Returns an array with calculated data or false on failure.