ApiPlatform\Core\Identifier\CompositeIdentifierParser

Complexity

Total Complexity

4

Size/Duplication

Total Lines	26
Duplicated Lines	0 %

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	parse()	0	15	3
A	__construct()	0	2	1

<?php

/*
 * This file is part of the API Platform project.
 *
 * (c) Kévin Dunglas <dunglas@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

declare(strict_types=1);

namespace ApiPlatform\Core\Identifier;

/**
 * Normalizes a composite identifer.
 *
 * @author Antoine Bluchet <soyuka@gmail.com>
 */
final class CompositeIdentifierParser
{
    private function __construct()
    {
    }

    /*
     * Normalize takes a string and gives back an array of identifiers.
     *
     * For example: foo=0;bar=2 returns ['foo' => 0, 'bar' => 2].
     */
    public static function parse(string $identifier): array
    {
        $matches = [];
        $identifiers = [];
        $num = preg_match_all('/(\w+)=(?<=\w=)(.+?)(?=;\w+=)|(\w+)=([^;]+);?$/', $identifier, $matches, PREG_SET_ORDER);

        foreach ($matches as $i => $match) {
            if ($i === $num - 1) {
                $identifiers[$match[3]] = $match[4];
                continue;
            }
            $identifiers[$match[1]] = $match[2];
        }

        return $identifiers;
    }
}