Respect\Validation\Rules\Sorted

Complexity

Total Complexity

8

Size/Duplication

Total Lines	28
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	5	1
B	validate()	0	16	7

<?php

/*
 * This file is part of Respect/Validation.
 *
 * (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
 *
 * For the full copyright and license information, please view the "LICENSE.md"
 * file that was distributed with this source code.
 */

namespace Respect\Validation\Rules;

class Sorted extends AbstractRule
{
    public $fn = null;
    public $ascending = true;

    public function __construct(callable $fn = null, bool $ascending = true)
    {
        $this->fn = $fn ?? function($x){ return $x;};
        $this->ascending = $ascending;
    }

    public function validate($input)
    {
        $count = count($input);
        if ($count < 2) {
			return true;
		}
        for ($i = 1; $i < $count; $i++) {
            if (
                ($this->ascending && ($this->fn)($input[$i]) < ($this->fn)($input[$i - 1]))
                || (!$this->ascending && ($this->fn)($input[$i]) > ($this->fn)($input[$i - 1]))
            ) {
                return false;
            }
        }
        return true;
    }
}