Add option for memcache session path

phpini/edit_session.cgi

@@ -19,7 +19,8 @@ print &ui_table_row($text{'session_handler'},
 		   [ [ "files", $text{'session_files'} ],
 		     [ "mm", $text{'session_mm'} ],
 		     [ "users", $text{'session_users'} ],
-		     [ "redis", $text{'session_redis'} ] ]));
+		     [ "redis", $text{'session_redis'} ],
+		     [ "memcache", $text{'session_memcache'} ] ]));
 
 # Where to save session files
 print &ui_table_row($text{'session_path'},

phpini/lang/en

@@ -71,6 +71,8 @@ session_handler=Session storage mechanism
 session_files=Files
 session_mm=In memory
 session_users=User defined
+session_redis=Redis
+session_memcache=MemcacheD
 session_path=Directory for session files
 session_cookies=Allow use of cookies for session tracking?
 session_only_cookies=Always use cookies for session tracking?
@@ -80,7 +82,6 @@ session_maxlife=Maximum session lifetime
 session_epath=Missing or invalid directory for session files
 session_elife=Missing or invalid cookie lifetime
 session_emaxlife=Missing or invalid maximum session lifetime
-session_eredis=Missing or disabled redis extension
 
 safe_title=Safe Mode Options
 safe_header=Safe file access mode options

phpini/save_session.cgi

@@ -16,13 +16,8 @@ if ($in{"session.save_path_def"}) {
 	&save_directive($conf, "session.save_path", undef);
 	}
 else {
-	if($in{"session.save_handler"} == "redis") {
-		my @hasRedis = `php -m | grep redis` == "redis";
-		if(!@hasRedis) {
-			&error($text{'session_eredis'});
-			}
-		}
-	else {
+	if ($in{"session.save_handler"} ne "redis" &&
+	    $in{"session.save_handler"} ne "memcache") {
 		# file path must not be checked with other handlers (e.g. redis)
 		-d $in{"session.save_path"} || &error($text{'session_epath'});
 		}