shm_remove_var()

(PHP 4, PHP 5, PHP 7)

Removes a variable from shared memory

说明

shm_remove_var(resource $shm_identifier,int $variable_key): bool

Removes a variable with a given$variable_keyand frees the occupied memory.

参数

$shm_identifier

The shared memory identifier as returned by shm_attach()

$variable_key

The variable key.

返回值

成功时返回TRUE，或者在失败时返回FALSE。

参见

• shm_remove()Removes shared memory from Unix systems