40 lines
1.1 KiB
PHP
40 lines
1.1 KiB
PHP
|
<?php
|
||
|
|
|
||
|
|
/**
|
||
|
|
* CRON field interface
|
||
|
|
*
|
||
|
|
* @author Michael Dowling <mtdowling@gmail.com>
|
||
|
|
*/
|
||
|
|
interface CronExpression_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 CronExpression_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);
|
||
|
|
}
|