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|---|---|---|---|---|---|---|---|
| formatValue | 100.00% | 5 / 5 | 100.00% | 1 / 1 | 7 | ||
| convertToEpochSeconds | 100.00% | 1 / 1 | 100.00% | 1 / 1 | 1 | ||
| 9 | final class PrometheusNumber | |
| 10 | { | |
| 11 | private const float LARGEST_EXACT_INTEGER = 9_007_199_254_740_992.0; | |
| 12 | ||
| 13 | private const int MICROSECONDS_PER_SECOND = 1_000_000; | |
| 14 | ||
| 15 | public static function formatValue(float $value): string | |
| 16 | { | |
| 17 | return match (true) { | |
| 18 | is_nan($value) => 'NaN', | |
| 19 | $value === INF => '+Inf', | |
| 20 | $value === -INF => '-Inf', | |
| 21 | floor($value) === $value && abs($value) < self::LARGEST_EXACT_INTEGER => \sprintf('%d', $value), | |
| 22 | default => var_export($value, true), | |
| 23 | }; | |
| 24 | } | |
| 25 | ||
| 26 | public static function convertToEpochSeconds(Instant $instant): float | |
| 27 | { | |
| 28 | return $instant->toEpochMicroseconds() / self::MICROSECONDS_PER_SECOND; | |
| 29 | } | |
| 30 | } |