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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | <?php namespace Cron; /** * CRON field interface */ interface FieldInterface { /** * Check if the respective value of a DateTime field satisfies a CRON exp * * @param DateTime $date DateTime object to check * @param string $value CRON expression to test against * * @return bool Returns TRUE if satisfied, FALSE otherwise */ public function isSatisfiedBy(\DateTime $date , $value ); /** * When a CRON expression is not satisfied, this method is used to increment * or decrement a DateTime object by the unit of the cron field * * @param DateTime $date DateTime object to change * @param bool $invert (optional) Set to TRUE to decrement * * @return FieldInterface */ public function increment(\DateTime $date , $invert = false); /** * Validates a CRON expression for a given field * * @param string $value CRON expression value to validate * * @return bool Returns TRUE if valid, FALSE otherwise */ public function validate( $value ); } |