count(): Parameter must be an array or an object that implements Countable
把
$arg = substr($arg,0,count($arg)-2);
改成下面代码即可
$arg = substr($arg,0,strlen($arg)-1);
count(): Parameter must be an array or an object that implements Countable
把
$arg = substr($arg,0,count($arg)-2);
改成下面代码即可