Filter datepicker options

functions.php

// Copy below into your child theme's functions.php or into a custom plugin.

// Change the days of the week to French
add_filter( 'cwcfp_datepicker_day_names', 'my_custom_day_names' );
function my_custom_day_names( $days ){
  $new_days = array(
    'Dimanche',
    'Lundi',
    'Mardi',
    'Mercredi',
    'Jeudi',
    'Vendredi',
    'Samedi',
  );
  return $new_days;
}

// Change the first day of the week to Monday = 1 (default is Sunday = 0)
add_filter( 'cwcfp_datepicker_first_day', 'my_custom_first_day_of_week' );
function my_custom_first_day_of_week( $day ){
  return 1;
}

// Change the range of years shown (Default is 1900:2100)
add_filter( 'cwcfp_datepicker_year_range', 'my_custom_year_range' );
function my_custom_year_range( $range ){
  return '1950:2050';
}

// Change the default date to be 2 days from today
add_filter( 'cwcfp_datepicker_default_date', 'my_change_default_date' );
function my_change_default_date( $default ){
  return 2;
}