卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死
2015-12-16
卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死卡到死
2015-12-16
var_dump($a >=$b); 1大于等于"1",为什么是true呢。1也不大于"1"啊,不应该是flase吗
2015-12-16
已采纳回答 / lynhao
这样很难说清楚,我举个例子php中的echo 你的外围如果写单引号你里面如果要引用html的标签还是要遵循它的规则例如value="xx",然后外围用 ' 和.连接符哦~,或者你可以这么理解如果外围是单,里面就用双,反之亦然~
2015-12-16