<?php
ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);
trait Sorting {
    abstract public function Comparable($x,$y);

    function isSorted($object): bool
    {
        $sortedL = false;
        for ($i = 0; $i < count($object)-1; $i++) {
            if ($object->Comparable($object[$i+1],$object[$i])){
               $sortedL= true;
            }
            else{
                $sortedL= false;
            }

        }
        return $sortedL;
    }

}

class Sortingclass{
    use Sorting;
    public function Comparable($x,$y)
    {
        if($x < $y){
            return -1;
        }
        else{
            return 1;
        }
    }



}

$class1 = new Sortingclass;
$info = array(1,2,3,4,5);
$sort = $class1->isSorted($info);
echo $sort;



?>