echo ($value=="")?"":"Attach - $key@@@".$value."***"; 请问这段代码
答案:2 悬赏:70 手机版
解决时间 2021-04-07 03:35
- 提问者网友：鐵馬踏冰河
- 2021-04-06 06:47
echo ($value=="")?"":"Attach - $key@@@".$value."***"; 请问这段代码是什么意思? 逻辑结构?
最佳答案
- 五星知识达人网友：轮獄道
- 2021-04-06 07:26
if的一种写法。
判断条件？"是的话，执行这句":"不是的话，执行这句";追问感谢帮忙.
如果用上面那种格式, 输出的结果是多条, 是需要的;
如果用if格式, 输出结果只有一条, 其它条不见了;
请问为什么?
谢谢追答你的追问，我看不懂。什么结果多条什么的。。还有老老实实用if会出现什么样的问题。举个例子？
判断条件？"是的话，执行这句":"不是的话，执行这句";追问感谢帮忙.
如果用上面那种格式, 输出的结果是多条, 是需要的;
如果用if格式, 输出结果只有一条, 其它条不见了;
请问为什么?
谢谢追答你的追问，我看不懂。什么结果多条什么的。。还有老老实实用if会出现什么样的问题。举个例子？
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- 1楼网友：过活
- 2021-04-06 07:41
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