PHP session_id() Function
What is session_id Function?
Explanation
The "session_id()" function is used to get or set the current session id.
Syntax:
string session_id(session)
or
string session (optional): Session ID
In the above syntax, first the function returns the session id for the specified "session", or one can set the "session ID".
<?php
session_start();
if (!$counter) {
session_register("counter");
}
echo session_id();
?> Result :
9572605674b2cd40bd424e189cc5b207
In the above example the session ID is returned, this is also done only after session_start.
Syntax:
string session_id(session)
or
string session (optional): Session ID
In the above syntax, first the function returns the session id for the specified "session", or one can set the "session ID".
Example :
<?php
session_start();
if (!$counter) {
session_register("counter");
}
echo session_id();
?>
9572605674b2cd40bd424e189cc5b207
In the above example the session ID is returned, this is also done only after session_start.
