Replace in all in all folder

Question

I have the same problem that here :

replacing a complex pattern using sed

I have tried the solution but :

• the file is not saved
• It's only for one file (I want to apply to all files in all folders)

Thanks for your help.

Answer 1

This works perfectly :

http://www.garzul.tonsite.biz/wordpress/2016/07/20/how-to-remove-malicious-code-infecting-every-php-files-of-a-website/

Thanks to author.