shm_remove_var

(PHP 4, PHP 5)

shm_remove_var — Removes a variable from shared memory

bool shm_remove_var ( resource $shm_identifier , int $variable_key )

Removes a variable with a given variable_key and frees the occupied memory.

shm_identifier: The shared memory identifier as returned by shm_attach()
variable_key: The variable key.

成功时返回 TRUE，或者在失败时返回 FALSE.