How to “print” to a paper in PHP?

Question

What I mean is, lets say I have a content:

\"Stackoverflow is the best, bla bla bla...\"

I want to print the content in a paper, not computer monitor, how to

Answer 1

Those CMS are probably just calling the JavaScript method window.print to pop up the print dialog:

print this document

The rest is then handled by the browser and operating system.