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How to create and use Custom helper function in Laravel

There are so many build in helper function we are using like

return view('employee.index');
$converted = Str::lower('LARAVEL'); // laravel
  1. Create Helpers folder inside app folder, where we keep file which contain helper function
  2. create Helper.php file inside Helpers folder
  3. if (! function_exists('myCustHelperFunc')) {
            function myCustHelperFunc()
            return "helper function is called"
  4. go to composer.json and add or update in autoload object
    "autoload": {
    "files": [
    "psr-4": {
    "App\\": "app/",
    "Database\\Factories\\": "database/factories/",
    "Database\\Seeders\\": "database/seeders/"
  5. composer dump-autoload ==> run this command on terminal
  6. use function name any where like myCustHelperFunc();