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shm_has_var

(PHP 5 >= 5.3.0, PHP 7)
Check whether a specific entry exists
bool shm_has_var ( resource $shm_identifier, int $variable_key )

Checks whether a specific key exists inside a shared memory segment.

Parameters:
shm_identifier

Shared memory segment, obtained from shm_attach().

variable_key

The variable key.

Returns:

Returns TRUE if the entry exists, otherwise FALSE

See also:

shm_get_var() -

shm_put_var() -

doc_php
doc_php
2016-02-24 16:05:35
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