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