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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of Badcow DNS Library. |
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* |
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* (c) Samuel Williams <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Badcow\DNS\Parser; |
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class TimeFormat |
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{ |
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public const TIME_FORMAT_REGEX = '/^(?:(\d+)w)?(?:(\d+)d)?(?:(\d+)h)?(?:(\d+)m)?(?:(\d+)s)?$/i'; |
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public const TIME_MULTIPLIERS = [ |
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'w' => 604800, |
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'd' => 86400, |
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'h' => 3600, |
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'm' => 60, |
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's' => 1, |
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]; |
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/** |
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* Check if given token looks like time format. |
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* |
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* @param string $value |
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* |
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* @return bool |
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*/ |
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public static function isTimeFormat($value): bool |
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{ |
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return \is_numeric($value) || 1 === \preg_match(self::TIME_FORMAT_REGEX, $value); |
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} |
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/** |
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* Convert human readable time format to seconds. |
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* |
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* @param string $value |
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* |
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* @return int |
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*/ |
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public static function toSeconds($value): int |
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{ |
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$seconds = 0; |
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if (\is_numeric($value)) { |
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$seconds = (int) $value; |
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1 |
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} elseif (1 === \preg_match(self::TIME_FORMAT_REGEX, $value, $matches)) { |
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\array_shift($matches); |
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$seconds = (int) \array_sum(\array_map(function ($fragment, $multiplier) { |
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return (int) $fragment * $multiplier; |
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}, $matches, self::TIME_MULTIPLIERS)); |
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} |
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return $seconds < 2 ** 31 ? $seconds : 0; |
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} |
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/** |
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* Convert number of seconds to human readable format. |
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* |
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* @param int $seconds |
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* |
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* @return string |
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*/ |
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1 |
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public static function toHumanReadable(int $seconds): string |
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{ |
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$humanReadable = ''; |
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1 |
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foreach (self::TIME_MULTIPLIERS as $suffix => $multiplier) { |
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1 |
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if ($seconds < $multiplier) { |
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continue; |
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} |
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$current = \floor($seconds / $multiplier); |
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1 |
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if ($current > 0) { |
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$humanReadable .= \sprintf('%d%s', $current, $suffix); |
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$seconds -= ($current * $multiplier); |
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} |
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} |
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return $humanReadable; |
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} |
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} |
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Badcow /
DNS
