http_match_request_header(3) php man page | unix.com

HTTP_MATCH_REQUEST_HEADER(3)						 1					      HTTP_MATCH_REQUEST_HEADER(3)

http_match_request_header - Match any header

SYNOPSIS
       bool http_match_request_header (string  $header, string	$value, [bool  $match_case = false])

DESCRIPTION
	Match an incoming HTTP header.

PARAMETERS
	      o $header
		- the header name (case-insensitive)

	      o $value
		- the header value that should be compared

	      o $match_case
		- whether the value should be compared case sensitively

RETURN VALUES
	Returns TRUE if header value matches, else FALSE.

SEE ALSO
       http_match_etag(3), http_match_last_modified(3).

PHP Documentation Group 											      HTTP_MATCH_REQUEST_HEADER(3)