(PHP 4, PHP 5, PHP 7, PHP 8)
shm_put_var — Inserts or updates a variable in shared memory
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.
shmA shared memory segment obtained from shm_attach().
keyThe variable key.
valueThe 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.