Composer: file_put_contents(./composer.json or ./composer.lock): failed to open stream: Permission denied
Problem
When I run Composer update in my project then I got this error.
[ErrorException]
file_put_contents(./composer.lock): failed to open stream: Permission denied
Solution
It can be resolved with the following command:
sudo chown -R $USER ~/.composer/
That’s all.
I hope this article helps you to fix your issue.
Thanks for reading.
Keep Exploring.