PHP code embedded in the HTML, the correct parsing can not

Phphtmlapache

I have just learned PHP, has built the Apache server, PHP can also display properly. The code is as follows:

After execution, the following results are displayed:

Check the data that is, server building errors, parsing PHP code, I tried to have the following:

The execution result is correct, without the subsequent single quotes, and so on.
The big God to tell you, this is where the configuration error.
Just learned PHP, thank you.
I wrote index.html under the Htdocs.
Phpinfo ();
?>
Execute: localhost, display correctly.

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