You need to add the path to a class of global include path.

After that, your IDE, when you declare a class Redis will display a hint which methods of this object can be used.

h3. For example:

$redis = new Redis();
$redis->con <press Tab or press Ctrl+Space>

h3. Warning:

Do not forget to declare a variable type $ redis

/**
 * @ Var Redis
 */
public $redis = null;

!([]./phpredis.png "Example use")