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   1  <?php
   2  
   3  declare(strict_types=1);
   4  
   5  namespace Cron;
   6  
   7  use DateTimeInterface;
   8  
   9  /**
  10   * Month field.  Allows: * , / -.
  11   */
  12  class MonthField extends AbstractField
  13  {
  14      /**
  15       * {@inheritdoc}
  16       */
  17      protected $rangeStart = 1;
  18  
  19      /**
  20       * {@inheritdoc}
  21       */
  22      protected $rangeEnd = 12;
  23  
  24      /**
  25       * {@inheritdoc}
  26       */
  27      protected $literals = [1 => 'JAN', 2 => 'FEB', 3 => 'MAR', 4 => 'APR', 5 => 'MAY', 6 => 'JUN', 7 => 'JUL',
  28          8 => 'AUG', 9 => 'SEP', 10 => 'OCT', 11 => 'NOV', 12 => 'DEC', ];
  29  
  30      /**
  31       * {@inheritdoc}
  32       */
  33      public function isSatisfiedBy(DateTimeInterface $date, $value, bool $invert): bool
  34      {
  35          if ($value === '?') {
  36              return true;
  37          }
  38  
  39          $value = $this->convertLiterals($value);
  40  
  41          return $this->isSatisfied((int) $date->format('m'), $value);
  42      }
  43  
  44      /**
  45       * @inheritDoc
  46       *
  47       * @param \DateTime|\DateTimeImmutable $date
  48       */
  49      public function increment(DateTimeInterface &$date, $invert = false, $parts = null): FieldInterface
  50      {
  51          if (! $invert) {
  52              $date = $date->modify('first day of next month');
  53              $date = $date->setTime(0, 0);
  54          } else {
  55              $date = $date->modify('last day of previous month');
  56              $date = $date->setTime(23, 59);
  57          }
  58  
  59          return $this;
  60      }
  61  }