`gf_has_filter()`

function gf_has_filter( $filter, $function_to_check=false )

Determines if a callback has been registered for the specified filter.

Since: 2.4.18

Source: gravityforms.php:7364

Parameters

Name	Type	Default	Description
`$filter`	`array`		An array containing the filter tag and modifiers.
`$function_to_check`	`bool` \| `callable`	`false`	The optional callback to check for.