shm_get_var
(PHP 4, PHP 5, PHP 7, PHP 8)
shm_get_var — Returns a variable from shared memory
Description
shm_get_var() returns the variable with a given
key, in the given shared memory segment.
The variable is still present in the shared memory.
Parameters
shm-
A shared memory segment obtained from shm_attach().
key-
The variable key.
Return Values
Returns the variable with the given key.
If the key does not exist, an E_WARNING is raised
and false is returned.
Errors/Exceptions
Throws an Error if shm
has already been detached with shm_detach().
shm_detach
Semaphore Functions