filter_id
(PHP 5 >= 5.2.0, PECL filter:0.11.0)
filter_id — Returns the filter ID belonging to a named filter
Descrierea
int filter_id
( string $filtername
)
Parametri
- filtername
-
Name of a filter to get.
Valorile întroarse
ID of a filter on success or NULL if filter doesn't exist.