gravityflowvacation_start_month
Use this filter to change the starting month for vacation calculations.
Parameter
$month
The month number
Example
This example sets 'August' as starting month for vacation calculation
add_filter( 'gravityflowvacation_start_month', 'sh_gravityflowvacation_start_month',10,2 ); function sh_gravityflowvacation_start_month( $month, $user_id ) { return '08'; }
Placement
This code should be placed in the functions.php file of your active theme.