Cycle\Schema\Provider\Support\SchemaMerger

Complexity

Total Complexity

8

Size/Duplication

Total Lines	30
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes	1
Bugs	0	Features	0

1 Method

Rating	Name	Duplication	Size	Complexity
B	merge()	0	28	8

<?php

declare(strict_types=1);

namespace Cycle\Schema\Provider\Support;

use Cycle\Schema\Provider\Exception\DuplicateRoleException;

final class SchemaMerger
{
    public function merge(?array ...$parts): ?array
    {
        $schema = null;
        foreach ($parts as $part) {
            if ($part === null) {
                continue;
            }

            if ($schema === null) {
                $schema = $part;
                continue;
            }
            foreach ($part as $role => $body) {
                if (!\is_string($role)) {
                    $schema[] = $body;
                    continue;
                }
                if (\array_key_exists($role, $schema)) {
                    if ($schema[$role] === $body) {
                        continue;
                    }
                    throw new DuplicateRoleException($role);
                }
                $schema[$role] = $body;
            }
        }

        return $schema;
    }
}