how to create a helper class in laravel code example

Example 1: laravel helper function custom

Create a helpers.php file in your app folder and load it up with composer:

"autoload": {
    "classmap": [
        ...
    ],
    "psr-4": {
        "App\\": "app/"
    },
    "files": [
        "app/helpers.php" // <---- ADD THIS
    ]
},

After adding that to your composer.json file, run the following command:

composer dump-autoload

Example 2: laravel helper

use Illuminate\Support\Str;

$length = Str::length('Laravel');

// 7