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shm_get_var

(PHP 4, PHP 5, PHP 7, PHP 8)

shm_get_var — Returns a variable from shared memory

說(shuō)明

shm_get_var(SysvSharedMemory $shm, int $key): mixed

shm_get_var() returns the variable with a given key, in the given shared memory segment. The variable is still present in the shared memory.

參數

shm

A shared memory segment obtained from shm_attach().

key

The variable key.

返回值

Returns the variable with the given key.

更新日志

版本 說(shuō)明
8.0.0 shm expects a SysvSharedMemory instance now; previously, a resource was expected.

參見(jiàn)

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