fopen Permission denied，Ubuntu，CodeIgniter

Question

I was trying fopen for my project. Which running on Ubuntu with CodeIgniter PHP framework. The result was like this:

A PHP Error was encountered
Severity: Warning
Message: fopen(testFile.txt): failed to open stream: Permission denied
Filename: controllers/home.php
Line Number: 10

can't open file

By the way, here are my code on Controller:

public function create_file(){
    $ourFileName = 'testFile.txt';
    $ourFileHandle = fopen($ourFileName, 'r') or die ("can't open file");
    fclose($ourFileHandle);
}

I looked at that code, and I thought that there is should be a path where I open the file, right? If yes, where should I put the path? Because, I followed this code from this tutorial: http://www.tizag.com/phpT/filecreate.php.

One thing that make me confuse is, there is no file testFile.txt and I wanna create it, but how to give the permission to create it. Because terminal will say No such file or directory for the file. What should I do?

I've also tried to run the chmod on www directory. But, it still didn't work. Hope anyone help me to handle this problem. Thank you...

Answer 1

There are 2 ways :

1.) chmod www directory to 777 by this command "sudo chmod -R 777 /var/www". This will give permissions recursively to all sub-folders and files.

2.) If you create any new folders (or projects in www directory) in future after the 1st step , then follow above :

=> Right click on your current project folder
=> Scroll to Properties
=> Scroll to permissions
=> Add permission for "Create and Delete files" for owner, group, others.
=> Now click on "Change permission for enclosed files"
=> Give appropriate permissions for files and folders there.

All done. Now fopen() should not give that warning.