Webmaster in a Nutshell, Third Edition

Name

header

Synopsis

print $query->header([content_type, status, headers])

Generates the HTTP header for the document.

content_type

The content type to return. Default is text/html.

status

The HTTP status code and description to return. Default is 200 OK.

headers

Additional headers to include, such as Content-Length: 123.

Using named parameters, the syntax is:

print $query->header(-type=>'content_type',
                              -nph=>1,
                              -status=>'status_code',
                              -expires=>'expcode',
                              -cookie=>'cookie',
                              -target=>'frame',
                              -header=>'value');

-type=> content_type

Specify the content type.

-nph=>1

Use headers for a no-parse-header script.

-status=> status_code

Specify the status code.

-expires=> expcode

Specify an expiration timestamp (such as +3d for 3 days). Values for expcode are:

n s

n seconds

n m

n minutes

n h

n hours

n d

n days

n M

n months

n Y

n years

day_of_week, dd-MMM-YY hh:mm:ss GMT

At the specified time

now

Expire immediately.

-cookie=> cookie

Specify a cookie. The cookie may be a scalar value or an array reference.

-header=> value

Specify any HTTP header.

-target=> frame

Write to specified frame.