Alot of PHP applications that i've worked on that allow file uploads place the files into a directory that is publicly accessible, this isn't a problem so long as your upload script never ever allows scripts to be uploaded.
It doesn't matter how good you think your MIME type or extension filtering is why allow the PHP interpreter near the files you never expect to be interpreted?
A little while back I signed up for the Lets Encrypt beta for this domain, recieved an email today confirming that I had been invited to join the beta! And that I could generate a free SSL cert!
So I immediately did!
Some times you want to delete a file and for it to stay deleted forever, SSH/SSL private keys, sensitive documents, old password databases, etc...
Anyone who has ever accidentally deleted a file or had a hard disk fail knows there are a million and one tools out there that will undelete and recover these files.
This is were shred comes in...
I use command line arguments in nearly every bash script I write, they are super useful but when it comes to parsing the arguments it's always a pain.
So I wrote a library that makes it easy!