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



getallheaders — Gets the HTTP headers that the client sent.


array getallheaders(void)


Associative array containing a list of HTTP headers, or FALSE on error


Call this function to retrieve an array of all HTTP headers sent by the client browser to the server. This function returns an associative array filled with the headers, in which each key is the name of the header, and each data element is the value associated with that name. If you have safe_mode enabled in PHP, the "authorization" header isn't included in the result set.


In versions prior to 3.0.6, problems occurred when key/value pairs were empty.


Existing since version 3.0


Example 5. Output the client's User-Agent HTTP header

$headers = getallheaders();
if ($headers) {
    $useragent = $headers["User-Agent"];
    print("You are using $useragent.<br>\n");

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 The authors of this book have elected not to choose any options under the OPL. This online book was obtained from 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.

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