php数组找数问题?$str ="1,2,3,4,5,6,0",$str1 ="1,3,5"如何找出str1中没有的数啊如$str2 ="2,4,6,0"[解决办法]
$diffArr=array_diff(explode(',',$str),explode(',',$str1)); //求差集echo implode("," , $diffArr); //输出