Basic PHP date() script:

<?php print date('Y'); ?>

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Simple copyright statement using year ('Y') date format:

<?php echo "© ".date('Y')." Trent Wyman. All rights reserved."; ?>

or ...

<?php echo "Copyright ".date('Y')." Trent Wyman. All rights reserved."; ?>

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DRUPAL AUTHOR/DATE DISPLAY

Below are Drupal scripts I use to format the date/time of the node's submitted date along with output of author's username:

Example using custom author field:

<?php
$auth = $node->field_author[0]['view'];
if(!empty($auth)){
print format_date($node->created, 'custom', 'h:i D m-d-y').' | by '.$node->field_author[0]['view'];
}else{
print format_date($node->created, 'custom', 'h:i D m-d-y').'';
}
?>

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OTHER TIME/DATE VARIABLES:

a = "am" or "pm"

A = "AM" or "PM"

d = day of the month, 2 digits with leading zeros; i.e. "01" to "31"

D = day of the week, textual, 3 letters; i.e. "Fri"

F = month, textual, long; i.e. "January"

h = hour, 12-hour format; i.e. "01" to "12"

H = hour, 24-hour format; i.e. "00" to "23"

g = hour, 12-hour format without leading zeros; i.e. "1" to "12"

G = hour, 24-hour format without leading zeros; i.e. "0" to "23"

i = minutes; i.e. "00" to "59" j - day of the month without leading zeros; i.e. "1" to "31"

l (lowercase ‘L’) = day of the week, textual, long; i.e. "Friday"

L = boolean for whether it is a leap year; i.e. "0" or "1"

m = month; i.e. "01" to "12"

n = month without leading zeros; i.e. "1" to "12"

M = month, textual, 3 letters; i.e. "Jan" s - seconds; i.e. "00" to "59"

S = English ordinal suffix, textual, 2 characters; i.e. "th", "nd"

t = number of days in the given month; i.e. "28" to "31"

U = seconds since the epoch

w = day of the week, numeric, i.e. "0" (Sunday) to "6" (Saturday)

Y = year, 4 digits; i.e. "1999" y - year, 2 digits; i.e. "99"

z = day of the year; i.e. "0" to "365"

Z = timezone offset in seconds (i.e. "-43200" to "43200")