What, in a php program, is used to store values so that they can be used again?

Select one:

a.

a function

b.

a variable

c.

a comment

d.

an operator

e.

parentheses

Which of the following are examples of comparison operators?

Select one:

a.

=, .=, +=, -=, *=, /=, and %=

b.

&&, || and !

c.

+, -, *, / and %

d.

==, !=, <> <, <=, >, and >=

e.

++ and --

Will a php script work if it is in a file with a ".html" file extension?

Select one:

a.

Yes

b.

No

c.

Maybe

Which of the following is one correct way to set a variable?

Select one:

a.

&variable = ' ';

b.

$variable - " ";

c.

variable = ' ';

d.

$variable = ';

e.

$variable = ' ';