DescriptionUsageParametersReturnsExamplesSinceSource Code
Description
Determines if a callback has been registered for the specified filter.
Usage
1gf_has_filters( array( 'filter_name', $modifier1 ) );
This helper function also has an alias, gf_has_filter, which can be used like so:
1gf_has_filter( array( 'filter_name', $modifier1 ) );
Parameters
$filter array
Array containing the filter tag as well as the possible modifiers.
$function_to_check bool|callable
The optional callback to check for.
Returns
Returns boolean for whether the hook has any callbacks registered or if a specific callback is registered.
Examples
1$result = gf_has_filters( array( 'gform_pre_render', $form_id ) );
1$result = gf_has_filter( array( 'gform_pre_render', $form_id ) );
1$result = gf_has_filters( array( 'gform_disable_view_counter', $form_id ), '__return_true' );
Since
The gf_has_filters and gf_has_filter functions were added in Gravity Forms version 2.4.18.
Source Code
These helper functions are located in gravityforms.php