(PHP 4 >= 4.2.0, PHP 5 <= 5.1.2) List all sessions

(PHP 4 >= 4.2.0, PHP 5 <= 5.1.2) Destroy a session

(PHP 4 >= 4.2.0, PHP 5 <= 5.1.2) Lock a session

(PHP 4 >= 4.2.0, PHP 5 <= 5.1.2) Get session count

(PHP 4 >= 4.2.0, PHP 5 <= 5.1.2) Set/get session timeout

(PHP 4 >= 4.2.0, PHP 5 <= 5.1.2) Get data session unstructured data

(PHP 4 >= 4.2.0, PHP 5 <= 5.1.2) Set msession variables from an array

(PHP 4 >= 4.2.0, PHP 5 <= 5.1.2) List sessions with variable

(PHP 4 >= 4.2.0, PHP 5 <= 5.1.2) Set data session unstructured data

(PHP 4 >= 4.2.0, PHP 5 <= 5.1.2) Unlock a session