In PHP, periods are a mechanism for storing user-specific knowledge throughout a number of internet pages. Classes are began utilizing the PHP `session_start()` perform. As soon as a session is began, a novel session ID is generated and saved on the person’s pc. This session ID is used to establish the person and their session knowledge on subsequent requests.
There are a number of methods to verify if a session has already been began in PHP. A technique is to make use of the PHP `session_status()` perform. The `session_status()` perform returns an integer worth that signifies the present standing of the session. The potential values are: