turahe / laravel-installer

src/Helpers/functions.php

<?php

use Illuminate\Support\Facades\URL;
use Illuminate\Support\Facades\Route;

if (! function_exists('isActive')) {
    /**
     * Set the active class to the current opened menu.
     *
     * @param  array|string $route
     * @param  string       $className
     * @return string
     */
    function isActive($route, $className = 'active'): string
    {
        if (is_array($route)) {
            return in_array(Route::currentRouteName(), $route) ? $className : '';
        }
        if (Route::currentRouteName() == $route) {
            return $className;
        }
        if (strpos(URL::current(), $route)) {
            return $className;
        }

The function implicitly returns null when the if condition on line 22 is false. This is incompatible with the type-hinted return string. Consider adding a return statement or allowing null as return value.

    }
}