From 3f175aab95c0792db1c15d88767a8b7e681294e8 Mon Sep 17 00:00:00 2001
From: Peter Molnar <peter.molnar2@booking.com>
Date: Thu, 7 Nov 2013 10:06:49 +0000
Subject: [PATCH] fix 404 header status

---
 wp-ffpc-acache.php | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/wp-ffpc-acache.php b/wp-ffpc-acache.php
index 5076f23..5325aee 100644
--- a/wp-ffpc-acache.php
+++ b/wp-ffpc-acache.php
@@ -116,8 +116,8 @@ foreach ( $wp_ffpc_keys as $internal => $key ) {
 /* serve cache 404 status */
 if ( isset( $wp_ffpc_values['meta']['status'] ) &&  $wp_ffpc_values['meta']['status'] == 404 ) {
 	header("HTTP/1.1 404 Not Found");
-	flush();
-	die();
+//	flush();
+//	die();
 }
 
 /* server redirect cache */
@@ -253,13 +253,8 @@ function wp_ffpc_callback( $buffer ) {
 		}
 	}
 
-	if ( is_404() ) {
+	if ( is_404() ) 
 		$meta['status'] = 404;
-	        header("HTTP/1.1 404 Not Found");
-	        flush();
-	        die();
-	}
-
 
 	/* redirect page */
 	if ( $wp_ffpc_redirect != null)
@@ -309,8 +304,13 @@ function wp_ffpc_callback( $buffer ) {
 	$wp_ffpc_backend->set ( $wp_ffpc_backend->key ( $wp_ffpc_config['prefix_meta'] ) , $meta );
 	$wp_ffpc_backend->set ( $wp_ffpc_backend->key ( $wp_ffpc_config['prefix_data'] ) , $buffer );
 
-	/* vital for nginx, make no problem at other places */
-	header("HTTP/1.1 200 OK");
+	if ( $meta['status'] == 404 ) {
+		header("HTTP/1.1 404 Not Found");
+	}
+	else {
+		/* vital for nginx, make no problem at other places */
+		header("HTTP/1.1 200 OK");
+	}
 
 	/* echoes HTML out */
 	return $buffer;