Answers for "laravel helpers file"

laravel add utility class

# How to register utilities class on Laravel 5.8
# File: composer.json
# ref: https://stackoverflow.com/questions/28290332/best-practices-for-custom-helpers-in-laravel-5
"autoload": {
    "classmap": [
        ...
    ],
    "psr-4": {
        "App\\": "app/"
    },
    "files": [
        "app/helpers.php" // <---- ADD THIS
    ]
},
 
 # Then run: `composer dump-autoload`

laravel helper functions

$callback = function ($value) {
    return (is_numeric($value)) ? $value * 2 : 0;
};

$result = with(5, $callback);

// 10

$result = with(null, $callback);

// 0

$result = with(5, null);

// 5

laravel helper

use Illuminate\Support\Str;

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

// 7

add custom helper laravel

"autoload": {
    "classmap": [
        "database/seeds",
        "database/factories"
    ],
    "psr-4": {
        "App\\": "app/"
    }
},
"autoload-dev": {
    "psr-4": {
        "Tests\\": "tests/"
    }
},