Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /www/wwwroot/www.kuaikuaixuan.com/gupiao/buy/buy1.php:102 Stack trace: #0 {main} thrown in /www/wwwroot/www.kuaikuaixuan.com/gupiao/buy/buy1.php on line 102