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If you are new to PHP or just need to refresh your skills, this is the place to start. This series of tutorials will give you the basic knowledge you will need to create a simple PHP website.

PHP is a reflective programming language originally designed for producing dynamic web pages.[1] PHP is used mainly in server-side scripting, but can be used from a command line interface or in standalone graphical applications. Textual User Interfaces can also be created using ncurses.

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nsapi_request_headers

(PHP 4 >= 4.3.3, PHP 5)

nsapi_request_headers -- Fetch all HTTP request headers

Description

array nsapi_request_headers ( void )

nsapi_request_headers() gets all the HTTP headers in the current request. This is only supported when PHP runs as a NSAPI module.

Note: Prior to PHP 4.3.3, getallheaders() was only available for the Apache servers. After PHP 4.3.3, getallheaders() is an alias for nsapi_request_headers() if you use the NSAPI module.

Note: You can also get at the value of the common CGI variables by reading them from the $_SERVER superglobal, which works whether or not you are using PHP as a NSAPI module.

Return Values

Returns an associative array with all the HTTP headers.

Examples

Example 1. nsapi_request_headers() example

<?php
$headers = nsapi_request_headers();

foreach ($headers as $header => $value) {
  echo "$header: $value <br />\n";
}
?>

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Another Useful functions:


ref.nsapi | function.nsapi-virtual | function.nsapi-response-headers | function.nsapi-request-headers |


PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML. If you are new to PHP and want to get some idea of how it works, try the introductory tutorial. After that, check out the online manual, and the example archive sites and some of the other resources available in the links section.