shm_put_var
(PHP 4, PHP 5, PHP 7, PHP 8)
shm_put_var — Inserts or updates a variable in shared memory
Description
shm_put_var() inserts or updates the
value with the given
key.
Warnings (E_WARNING level) will be issued if
shm is not a valid SysV shared memory
index or if there was not enough shared memory remaining to complete your
request.
Parameters
shm-
A shared memory segment obtained from shm_attach().
key-
The variable key.
value-
The variable. All variable types
that serialize() supports may be used: generally
this means all types except for resources and some internal objects
that cannot be serialized.
Return Values
Returns true on success or false on failure.
Errors/Exceptions
Throws an Error if shm
has already been detached with shm_detach().
shm_has_var
Semaphore Functions