PSR-7 bodies

- [Instructor] Now that we've seen how to process a request…and a response, let's now see the PSR-7 bodies.…To do this, we'll open up the first file…and copy it, and we'll create a new file,…label it PSR seven body dot PHP,…and we'll paste in the contents from first in here.…The body of the message, of course, we've seen…that we can read the entire body all at once.…But if we wanted to pull off, say,…the first 20 bytes from the message?…Can we do that?…Why, indeed, we can.…

Let's update line 12 to read as echo response get body.…In this case, we'll call a method off of our get body,…read, and pass in the number of bytes we want to read.…In this case, 20.…We'll also go ahead and add on here our new line.…So we'll add in period, and then in double quotes,…backslash R, backslash N.…Let's save this file and go to our terminal application,…and we'll run the command PHP PSR seven body dot PHP.…

And now you'll see that we've only read the first 20 bytes.…We get the user ID and its value,…and then we get the first quote…