PHP警告Cannot use a scalar value as an array的解决方法

看到php的错误日志里有些这样的提示: [27-Aug-2011 22:26:12] PHP Warning: Cannot use a scalar value as an array in /www/hx/enjoy.php on line 14 [27-Aug-2011 22:26:18] PHP Warning: Cannot use a scalar value as an array in /www/hx/enjoy.php on line 14 检查源程序,大概是下面这样子: 复制代码 代码如下: $arr_hx = $mem->get(‘hx’); if(!$arr_hx) {