jQuery(function(){ jQuery("#'. $field_id . '").each( function(){ var currentDatepicker = this; jQuery( currentDatepicker ).datepicker("destroy"); jQuery( currentDatepicker ).datepicker({ inline: true, changeYear: true, changeMonth: true, dateFormat: jQuery( currentDatepicker ).data("dateformat"), firstDay: 1, yearRange: "c-100:c+30" }); }); }); '; return $output . $script; } add_filter( 'wppb_output_form_field_datepicker', 'wppb_toolbox_datepicker_starts_on_monday', 20, 6 ); add_filter( 'wppb_admin_output_form_field_datepicker', 'wppb_toolbox_datepicker_starts_on_monday', 20, 6 );