GoLang session_id

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PHP session_id

PHP original manual for session_id [ show | php.net ]


(PHP 4, PHP 5, PHP 7)

session_idGet and/or set the current session id


string session_id ([ string $id ] )

session_id() is used to get or set the session id for the current session.

The constant SID can also be used to retrieve the current name and session id as a string suitable for adding to URLs. See also Session handling.



If id is specified, it will replace the current session id. session_id() needs to be called before session_start() for that purpose. Depending on the session handler, not all characters are allowed within the session id. For example, the file session handler only allows characters in the range a-z A-Z 0-9 , (comma) and - (minus)!

Note: When using session cookies, specifying an id for session_id() will always send a new cookie when session_start() is called, regardless if the current session id is identical to the one being set.

Return Values

session_id() returns the session id for the current session or the empty string ("") if there is no current session (no current session id exists).

See Also