PHP Functions Essential Reference

shm_get_var

mixed shm_get_var(int shm_id, int variable_key) 

shm_id	ID of a shared memory segment
variable_key	Key number of variable to retrieve

Fetches and returns a variable from shared memory.

Returns:

Value from shared memory; FALSE on error

Description:

shm_get_var() returns the variable identified by variable_key from the shared memory segment identified by shm_id . variable_key must be an integer or evaluate to an integer. If shm_id is not a valid identifier as returned by shm_attach(), or if there is no stored variable with the key given by variable_key , shm_get_var() returns FALSE.

Version:

PHP 3 since 3.0.6, PHP 4

See also:

shm_attach() 
shm_detach() 
shm_put_var() 
shm_remove() 
shm_remove_var() 

Example:

Read a stored variable ...