shm_get_var
(PHP 4, PHP 5)
shm_get_var — Returns a variable from shared memory
说明
mixed shm_get_var ( resource $shm_identifier , int $variable_key )shm_get_var() returns the variable with a given variable_key, in the given shared memory segment. The variable is still present in the shared memory.
参数
- shm_identifier
-
Shared memory segment, obtained from shm_attach().
- variable_key
-
The variable key.
返回值
Returns the variable with the given key.
参见
- shm_has_var() - Check whether a specific entry exists
- shm_put_var() - Inserts or updates a variable in shared memory
