Added new return values in the command info()

Author: ukko

redisphp.php

@@ -1672,18 +1672,48 @@ public function sort($key, $option = null) {}
 
     /**
      * Returns an associative array of strings and integers, with the following keys:
+     *
      * - redis_version
+     * - redis_git_sha1
+     * - redis_git_dirty
      * - arch_bits
+     * - multiplexing_api
+     * - process_id
      * - uptime_in_seconds
      * - uptime_in_days
+     * - lru_clock
+     * - used_cpu_sys
+     * - used_cpu_user
+     * - used_cpu_sys_children
+     * - used_cpu_user_children
      * - connected_clients
      * - connected_slaves
+     * - client_longest_output_list
+     * - client_biggest_input_buf
+     * - blocked_clients
      * - used_memory
+     * - used_memory_human
+     * - used_memory_peak
+     * - used_memory_peak_human
+     * - mem_fragmentation_ratio
+     * - mem_allocator
+     * - loading
+     * - aof_enabled
      * - changes_since_last_save
      * - bgsave_in_progress
      * - last_save_time
      * - total_connections_received
      * - total_commands_processed
+     * - expired_keys
+     * - evicted_keys
+     * - keyspace_hits
+     * - keyspace_misses
+     * - hash_max_zipmap_entries
+     * - hash_max_zipmap_value
+     * - pubsub_channels
+     * - pubsub_patterns
+     * - latest_fork_usec
+     * - vm_enabled
      * - role
      * @link    http://redis.io/commands/info
      * @example $redis->info();