FromMacros.php

<?php

namespace App\Providers;

use Illuminate\Support\ServiceProvider;
use Collective\Html\{FormFacade as Form , HtmlFacade as Html};

class FormMacroServiceProvider extends ServiceProvider
{
    /**
     * Register services.
     *
     * @return void
     */
    public function register()
    {
        
    }

    /**
     * Bootstrap services.
     *
     * @return void
     */
    public function boot()
    {
       Form::macro( 'selectMonthShort',
            function (string $name, $selected = null, array $selAttr = [], array $optAttr = [], array $optGrpAttr = [], string $viFm = '%B', string $stFm = '%b', int $monthStart = 1, int $monthEnd = 12) {
                $monthList = range($monthStart, $monthEnd);

                foreach ($monthList as $mKey => $mValue) {
                    // $monthArray[strftime($stFm, mktime(0, 0, 0, $mValue, 1))] = strftime($viFm, mktime(0, 0, 0, $mValue, 1));
                    $monthArray[ $mValue] = strftime($viFm, mktime(0, 0, 0, $mValue, 1));
                }
                
                $monthArray = [null => 'Choose Month'] + $monthArray;

                return $this->select($name, $monthArray, $selected, $selAttr, $optAttr, $optGrpAttr);
            }
        ); 
    }
}