shm_put_var Inserts or updates a variable in shared memory &reftitle.description; boolshm_put_var SysvSharedMemoryshm intkey mixedvalue 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. &reftitle.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. &reftitle.returnvalues; &return.success; &reftitle.changelog; &Version; &Description; 8.0.0 shm expects a SysvSharedMemory instance now; previously, a resource was expected. &reftitle.seealso; shm_get_var shm_has_var