Fatal error: Uncaught ValueError: fread(): Argument #2 ($length) must be greater than 0 in /www/wwwroot/tihugujiu.com/sort.php:251
Stack trace:
#0 /www/wwwroot/tihugujiu.com/sort.php(251): fread()
#1 {main}
thrown in /www/wwwroot/tihugujiu.com/sort.php on line 251
