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Filename : UnifyAudience.php

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<?php

declare (strict_types=1);
namespace WPToolkitDependenciesIsolationPrefix\Lcobucci\JWT\Encoding;

use WPToolkitDependenciesIsolationPrefix\Lcobucci\JWT\ClaimsFormatter;
use WPToolkitDependenciesIsolationPrefix\Lcobucci\JWT\Token\RegisteredClaims;
use function array_key_exists;
use function count;
use function current;
final class UnifyAudience implements ClaimsFormatter
{
    /** @inheritdoc */
    public function formatClaims(array $claims) : array
    {
        if (!array_key_exists(RegisteredClaims::AUDIENCE, $claims) || count($claims[RegisteredClaims::AUDIENCE]) !== 1) {
            return $claims;
        }
        $claims[RegisteredClaims::AUDIENCE] = current($claims[RegisteredClaims::AUDIENCE]);
        return $claims;
    }
}