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# shm_put_var

(PHP 3 >= 3.0.6, PHP 4, PHP 5)

shm_put_var -- Inserts or updates a variable in shared memory

## Description

bool shm_put_var ( int shm_identifier, int variable_key, mixed variable )

shm_put_var() inserts or updates the `variable` with the given `variable_key`. All variable-types are supported.

如果成功则返回 `TRUE`，失败则返回 `FALSE`。

Warnings (`E_WARNING` level) will be issued if `shm_identifier` is not a valid SysV shared memory index or if there was not enough shared memory remaining to complete your request.

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