filter_id
(PHP 5 >= 5.2.0, PHP 7)
filter_id — Returns the filter ID belonging to a named filter
Description
filter_id ( string $name ) : int|false
Parameters
-
name -
Name of a filter to get.
Return Values
ID of a filter on success or false if filter doesn't exist.
See Also
- filter_list() - Returns a list of all supported filters
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https://www.php.net/manual/en/function.filter-id.php