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<?php |
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/** |
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* League.Period (https://period.thephpleague.com). |
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* |
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* (c) Ignace Nyamagana Butera <[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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declare(strict_types=1); |
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namespace League\Period; |
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use DateInterval; |
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use function filter_var; |
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use function preg_match; |
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use function property_exists; |
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use const FILTER_VALIDATE_INT; |
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/** |
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* League Period Duration. |
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* |
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* @package League.period |
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* @author Ignace Nyamagana Butera <[email protected]> |
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* @since 4.2.0 |
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*/ |
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final class Duration extends DateInterval |
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{ |
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private const REGEXP_MICROSECONDS_INTERVAL_SPEC = '@^(?<interval>.*)(\.|,)(?<fraction>\d{1,6})S$@'; |
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private const REGEXP_MICROSECONDS_DATE_SPEC = '@^(?<interval>.*)(\.)(?<fraction>\d{1,6})$@'; |
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/** |
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* Returns a continuous portion of time between two datepoints expressed as a DateInterval object. |
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* |
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* The duration can be |
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* <ul> |
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* <li>an Period object</li> |
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* <li>a DateInterval object</li> |
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* <li>an integer interpreted as the duration expressed in seconds.</li> |
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* <li>a string parsable by DateInterval::createFromDateString</li> |
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* </ul> |
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* |
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* @param mixed $duration a continuous portion of time |
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*/ |
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public static function create($duration): self |
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{ |
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if ($duration instanceof Period) { |
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$duration = $duration->getDateInterval(); |
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} |
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if ($duration instanceof DateInterval) { |
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$new = new self('PT0S'); |
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foreach ($duration as $name => $value) { |
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if (property_exists($new, $name)) { |
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$new->$name = $value; |
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} |
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} |
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return $new; |
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} |
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if (false !== ($second = filter_var($duration, FILTER_VALIDATE_INT))) { |
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return new self('PT'.$second.'S'); |
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} |
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return self::createFromDateString($duration); |
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} |
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/** |
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* @inheritdoc |
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* |
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* @param mixed $duration a date with relative parts |
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*/ |
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public static function createFromDateString($duration): self |
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{ |
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$duration = parent::createFromDateString($duration); |
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$new = new self('PT0S'); |
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foreach ($duration as $name => $value) { |
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$new->$name = $value; |
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} |
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return $new; |
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} |
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/** |
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* New instance. |
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* |
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* Returns a new instance from an Interval specification |
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* |
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* @param string $interval_spec |
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*/ |
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public function __construct($interval_spec) |
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{ |
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if (1 === preg_match(self::REGEXP_MICROSECONDS_INTERVAL_SPEC, $interval_spec, $matches)) { |
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parent::__construct($matches['interval'].'S'); |
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$this->f = (float) $matches['fraction'] * 1e5; |
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return; |
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} |
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if (1 === preg_match(self::REGEXP_MICROSECONDS_DATE_SPEC, $interval_spec, $matches)) { |
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parent::__construct($matches['interval']); |
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$this->f = (float) $matches['fraction']; |
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return; |
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} |
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parent::__construct($interval_spec); |
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} |
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/** |
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* Returns the ISO8601 interval string representation. |
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* |
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* Microseconds fractions are included |
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*/ |
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public function __toString(): string |
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{ |
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$date = ''; |
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foreach (['Y' => $this->y, 'M' => $this->m, 'D' => $this->d] as $key => $value) { |
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if (0 !== $value) { |
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$date .= $value.$key; |
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} |
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} |
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$time = ''; |
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foreach (['H' => $this->h, 'I' => $this->i] as $key => $value) { |
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if (0 !== $value) { |
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$time .= $value.$key; |
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} |
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} |
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if (0.0 !== $this->f) { |
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$time .= $this->s.'.'.rtrim((string) ($this->f * 1e6), '0').'S'; |
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return 'P'.$date.'T'.$time; |
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} |
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if (0 !== $this->s) { |
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$time .= $this->s.'S'; |
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return 'P'.$date.'T'.$time; |
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} |
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if ('' === $date.$time) { |
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return 'PT0S'; |
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} |
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if ('' !== $time) { |
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return 'P'.$date.'T'.$time; |
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} |
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return 'P'.$date; |
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} |
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} |
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thephpleague /
period
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