apache_request_headers Fetch all HTTP request headers arrayapache_request_headers apache_request_headers returns an associative array of all the HTTP headers in the current request. This is only supported when PHP runs as an Apache module. $value) { echo "$header: $value
\n"; } ?> ]]> The above example will output something similar to: Prior to PHP 4.3.0, apache_request_headers was called getallheaders. After PHP 4.3.0, getallheaders is an alias for apache_request_headers. You can also get at the value of the common CGI variables by reading them from the environment, which works whether or not you are using PHP as an Apache module. Use phpinfo to see a list of all of the available environment variables. ¬e.apache.nsapi-module; See also apache_response_headers.