Transforming an array to CssClasses

use Illuminate\Support\Arr;
 
$array = ['p-4', 'font-bold' => $isActive, 'bg-red' => $hasError];
 
$isActive = false;
$hasError = true;
 
$classes = Arr::toCssClasses($array);
 
/*
 * 'p-4 bg-red'
 */

Tip given by @dietsedev