nsapi_request_headers Fetch all HTTP request headers arraynsapi_request_headers nsapi_request_headers returns an associative array of all the HTTP headers in the current request. This is only supported when PHP runs as a NSAPI module. $value) { echo "$header: $value
\n"; } ?> ]]> 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. 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.