1.文本文件a.txt,里面写的是$a
2.我有一个my.php,里面是这样的写的
<?php$a="ok";file_get_content("a.txt","r+");//这是操作代码,我不会//文件读进来了,我马上要再保存成文本,但是我想把文本里面的$a换成php里面$a的值okfile_put_content("b.txt","w+");
文本读入php,里面的东西好像不会和php起反应,打开是$a,在php里面跑了一圈保存了还是$a,有没有办法让文件流里面的变量在php里面运行呢?
即含有$a的a.txt -----> 读入php-------->含有ok的a.txt
回复讨论(解决方案)
文本替换
ob + eval
ob + include
ob + phar
看一下字符串函数吧。
大概猜测你需要用eval这个函数

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