Thirty Days Hath September

I have trouble remembering which Mother Goose book we had when I was a child - possibly because we looked at it so often the cover got torn off. But it is probably where I first heard the Thirty Days Hath September rhyme.
The Mother Goose version went like this:

Thirty days hath September,

April, June, and November;

February has twenty-eight alone,

All the rest have thirty-one;

Excepting leap year, that's the time,

When February's days are twenty-nine.

Do school children still have to learn the months of the year and the number of days in those months as did I?
Reciting the mnemonic rhyme was how I was taught the months which had only thirty days instead of thirty-one. So when the teacher asked "How many days are in the month of July?", for instance, I could quickly recite the first two lines, know it wasn't one of those months and confidently say, "thirty-one". It was easy to remember February was the odd month with only twenty-eight days which was a good thing because I couldn't remember the way the rhyme ended.
And I still can't which is why when I looked it up this morning I was surprised to see all the different versions.  For instance:

Thirty days hath September
April, June, and November;
Thirty-one the others date,
Except in February, twenty-eight;
But in leap year we assign
February, twenty-nine.

There is also this other Mother Goose version:

Thirty days hath September,

April, June, and November.

All the rest have thirty-one,

Excepting February alone,

And that has twenty-eight days clear,

And twenty-nine in each leap year.

Did you have to memorize Thirty Days Hath September? Do you remember which version it was?