Two Standard Blocks, Three Code Comparisons

This is standard block one.

Valid: Vestibulum et orci condimentum.

<em>class Code</em> {}

Invalid: Donec in nisl ut tortor convallis interdum.

<em>class Comparison</em> {}
This is standard block two.

Valid: Pellentesque nisi neque.

<em>$one</em> = 10;

Invalid: Mauris dictum metus quis maximus pharetra.

<em>$a</em> = 10;

Valid: Quisque sagittis nisi vitae.

<em>echo</em> $foo;

Invalid: Morbi ac libero vitae lorem.

<em>print</em> $foo;