(PHP 4, PHP 5, PHP 7)

shm_put_varInserts or updates a variable in shared memory


shm_put_var ( resource $shm_identifier , int $variable_key , mixed $variable ) : bool

shm_put_var() inserts or updates the variable with the given variable_key.

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.



A shared memory resource handle as returned by shm_attach()


The variable key.


The variable. All variable types that serialize() supports may be used: generally this means all types except for resources and some internal objects that cannot be serialized.

Return Values

Returns TRUE on success or FALSE on failure.

See Also

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