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处理控制 | Process Control

shm_get_var

shm_get_var

(PHP 4, PHP 5, PHP 7)

shm_get_var — Returns a variable from shared memory

Description

mixed shm_get_var ( resource $shm_identifier , int $variable_key )

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

Parameters

shm_identifier

Shared memory segment, obtained from shm_attach().

variable_key

The variable key.

Return Values

Returns the variable with the given key.

See Also

  • shm_has_var() - Check whether a specific entry exists

  • shm_put_var() - Inserts or updates a variable in shared memory

← shm_detach

shm_has_var →

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Licensed under the Creative Commons Attribution License v3.0 or later.

https://secure.php.net/manual/en/function.shm-get-var.php