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PHP headers_list() Function


PHP HTTP Reference Complete PHP HTTP Reference

Definition and Usage

The headers_list() function returns a list of response headers sent (or ready to send) to a client.

This function returns an array of headers.

Syntax

headers_list()


Tips and Notes

Tip: To determine whether or not the headers have been sent yet, use the headers_sent() function.


Example 1

<?php
setcookie("TestCookie","SomeValue"');
header("X-Sample-Test: foo");
header('Content-type: text/plain');
?>

<html>
<body>

<?php
// What headers are to be sent?
var_dump(headers_list());
?>

</body>
</html>

The output of the code above will be:

array(4)
{
[0]=> string(23) "X-Powered-By: PHP/5.1.1"
[1]=> string(19) "Set-Cookie: TestCookie=SomeValue"
[2]=> string(18) "X-Sample-Test: foo"
[3]=> string(24) "Content-type: text/plain"
}


PHP HTTP Reference Complete PHP HTTP Reference

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