( [0] => 123qwe [1] => test [2] => I like php pipe [3] => this is stdin php is good)root@206:~# 上面每行内容自己随便输入,然后最后 ctrl+D 结束,由于需要一个 n 结束,所以,在最后一行输入来个空行,再 ctrl+D,就输出数组了