What is PhpDig?
PhpDig is a PHP MySQL based
Web Spider & Search Engine.

headers_sent
Prev	XXVII. HTTP-Related Functions	Next

headers_sent

Name

headers_sent — Checks whether HTTP headers have been sent.

Synopsis

int headers_sent(void)

Returns

TRUE if headers have been sent; FALSE if not

Description

Checks whether HTTP headers have been sent by the server to the client and returns TRUE if they have.

Version

Existing since version 3.0.8

Example

Example 459. Check whether headers have been sent

if (headers_sent()) {
    echo "Headers Sent!";
} else {
    Header("Location: http://www.newriders.com/");
}

Prev	Home	Next
header	Up	setcookie

PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing (Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch). This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later (the latest version is presently available at http://www.opencontent.org/openpub/). The authors of this book have elected not to choose any options under the OPL. This online book was obtained from http://www.fooassociates.com/phpfer/ and is designed to provide information about the PHP programming language, focusing on PHP version 4.0.4 for the most part. The information is provided on an as-is basis, and no warranty or fitness is implied. All persons and entities shall have neither liability nor responsibility to any person or entity with respect to any loss or damage arising from the information contained in this book.