File Handling – PHP Advanced

File Handling – PHP Advanced

File handling is the most important part of web applications. For different tasks, you need to open and process files.

Operation file:

Creating, reading, uploading and editing files have various functions of PHP.

If you do something wrong, it can cause a lot of damage, so be careful when working with files. Filling your hard drive with junk data, editing the wrong files, and mistakenly deleting file contents: these are common mistakes.

readfile() function

This function reads and writes it to the output buffer. readfile() is useful if you want to open a file and read all of its contents.

First, I created a file called "example.txt" which contains the following information:-

This is an example.
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<!DOCTYPE html>
 <html>
 <body>

<?php
 echo readfile("example.txt");
 ?>

</body>
 </html>

Output:

Insert image description here

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Origin blog.csdn.net/qq_37270421/article/details/133338249