PHP View ID instance of current session

This article mainly introduces PHP to view the current session ID method, example analysis of two common access to the session in the ID of the technique, very practical value, the need for friends can refer to the

This example describes how PHP looks at the ID of the current session. Share to everyone for your reference. Specifically as follows:

There are two ways to get the user's session ID, the first is to use the session_id () function, and the other is to use the built-in constant SID, which contains the session ID and session value

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<?php session_start (); Print ("

I hope this article will help you with your PHP program design.