It sends an HTTP cookie without URL encoding the cookie value

Example

<?php
setrawcookie(“time”,time());
echo $_COOKIE[‘time’];
?>

Output

1337938950

It sends an HTTP cookie to a client

Example

<?php
setcookie(“time”,time());
echo $_COOKIE[‘time’];
?>

Output

1337938449

It checks whether headers have been sent .

Example

<?php
if (!headers_sent()) {
header(“Location: http://www.phpcodez.com/&#8221;);
exit;
}
?>

It returns a list of response headers sent

Example

<?php
setcookie(“time”,time());
header(‘Content-type: text/plain’);
echo “<pre>”;
print_r(headers_list());
?>

Output

<pre>Array
(
[0] => X-Powered-By: PHP/5.3.3-1ubuntu9.10
[1] => Set-Cookie: time=1337938449
[2] => Content-type: text/plain
)

It sends a raw HTTP header to a client.

Example

<?php
header(‘Location: http://www.phpcodez.com/&#8217;);
?>

• header() – It sends a raw HTTP header to a client.
• headers_list() – It returns a list of response headers sent
• headers_sent() – It checks whether headers have been sent .
• setcookie() – It sends an HTTP cookie to a client
• setrawcookie() – It sends an HTTP cookie without URL encoding the cookie value