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php 我用fwrite() 寫入了一個文件,怎么文件內(nèi)容全變了?

我用fwrite() 寫入了一個文件,怎么文件內(nèi)容全變了?本來文件2.txt的內(nèi)容是 {代碼...} 然后我執(zhí)行了以下腳本: {代碼...} 結(jié)果2.txt 成了: {代碼...} 請問這是怎么回事?怎么改正?

From [PHPdiscussion group] 2017-04-11 10:07:00 0  3  1626

Questions about payment within WeChat

Due to business needs, the iframe tag is used to load the WeChat payment page in the game page. Originally, We...

From [PHPdiscussion group] 2018-09-12 16:28:54 2  2  1625

What is the reason for returning false in the end? I hope someone can answer it.

Haven't found the reason yet

From [PHPdiscussion group] 2019-02-25 14:10:20 0  3  1624

When myhomepage opens, it prompts Hello World

Hello World

From [PHPdiscussion group] 2018-05-16 11:26:57 0  1  1624

Colon error?

syntax error, unexpected ':', expecting

From [PHPdiscussion group] 2017-09-24 16:30:31 0  7  1623

The difference between extend and implements

class Test extend Test1class Test implements Test1 Is there any expert who can explain the difference between ...

From [PHPdiscussion group] 2020-06-12 17:50:33 0  1  1623

Thinkphp5.1 encountered session problems when learning

Does anyone know that after I added session:set() to the controller, the method failed and no error was report...

From [PHPdiscussion group] 2019-12-30 09:50:56 0  5  1623

A simple piece of code reports an error, but the code is correct. I can't figure it out.

There are obviously no errors in the screenshot above. I typed it myself.

From [PHPdiscussion group] 2019-07-24 10:37:09 0  6  1623

5d85d2611ab874f96013b3eccb165eb0 decryption

Decrypt this string of md5 characters

From [PHPdiscussion group] 2018-01-10 20:24:13 0  3  1623

Web template

Where can I download this Lenovo Mall web template?

From [PHPdiscussion group] 2019-06-15 16:35:29 0  3  1622

Why does my section if(result === true){} not respond as soon as I open the comment webpage?

<?phpnamespace app\index\controller;use app\index\controller\Base;use think\Request;use app\index\model\Use...

From [PHPdiscussion group] 2018-03-06 23:25:50 0  5  1622

Where to find templates in the background

Where to find templates in the background

From [PHPdiscussion group] 2020-04-19 14:26:51 0  3  1622

小白求教。在我電腦上的wamp上導(dǎo)入了一個別人的文件，似乎要改配置，怎么改?。?/a>

From [PHPdiscussion group] 2017-03-20 21:07:47 0  3  1622

Just add these data to the database in the permission submenu list.

From [PHPdiscussion group] 2018-05-27 17:11:31 0  1  1621

How to create an automatically generated directory structure using cmd

Hello teacher! You can explain in detail how to use cmd to create an automatically generated directory structu...

From [PHPdiscussion group] 2019-01-17 13:27:06 0  3  1621