36 lines
758 B
PHP
36 lines
758 B
PHP
<?php
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declare(strict_types=1);
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namespace App\Services\Evidence;
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final class EvidenceSnapshotFingerprint
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{
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/**
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* @param array<string, mixed> $payload
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*/
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public static function hash(array $payload): string
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{
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return hash('sha256', json_encode(self::normalize($payload), JSON_THROW_ON_ERROR));
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}
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private static function normalize(mixed $value): mixed
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{
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if (is_array($value)) {
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ksort($value);
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return array_map(self::normalize(...), $value);
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}
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if ($value instanceof \BackedEnum) {
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return $value->value;
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}
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if ($value instanceof \DateTimeInterface) {
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return $value->format(DATE_ATOM);
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}
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return $value;
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}
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}
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