shm_get_var
    (PHP 3>= 3.0.6, PHP 4 )
shm_get_var -- Returns a variable from shared memory
Description
mixed 
shm_get_var ( int id, int variable_key)
     shm_get_var() returns the variable with a given      variable_key. The variable is still present      in the shared memory.     
Note:        This function does not work on Windows systems.