acf_is_field_group() │ ACF 5.7.10

acf_is_field_group

Returns true if the given params match a field group.

No Hooks.

Returns

true|false.

Usage

acf_is_field_group( $field_group );
$field_group(array)
The field group array.
Default: false

Changelog

Since 5.7.10 Introduced.

acf_is_field_group() code ACF 6.8.8

acf/includes/acf-field-group-functions.php 
function acf_is_field_group( $field_group = false ) {
	return acf_is_internal_post_type( $field_group, 'acf-field-group' );
}