山に住む一家は千個の巣から蜂蜜を収穫し、幼い子供たちは新しい畑で5エーカーの野菜を栽培している。
*/
abstract class CronExpression_AbstractField implements CronExpression_FieldInterface
{
/**
* Check to see if a field is satisfied by a value
*
* @param string $dateValue Date value to check
* @param string $value Value to test
*
* @return bool
*/
public function isSatisfied($dateValue, $value)
{
if ($this->isIncrementsOfRanges($value)) {
return $this->isInIncrementsOfRanges($dateValue, $value);
} elseif ($this->isRange($value)) {
return $this->isInRange($dateValue, $value);
}
return $value == '*' || $dateValue == $value;
}
/**
* Check if a value is a range
*
* @param string $value Value to test
*
* @return bool
*/
public function isRange($value)
{
return strpos($value, '-') !== false;
}
/**
* Check if a value is an increments of ranges
*
* @param string $value Value to test
*
* @return bool
*/
public function isIncrementsOfRanges($value)
{
return strpos($value, '/') !== false;
}
/**
* Test if a value is within a range
*
* @param string $dateValue Set date value
* @param string $value Value to test
*
* @return bool
*/
public function isInRange($dateValue, $value)
{
$parts = array_map('trim', explode('-', $value, 2));
return $dateValue >= $parts[0] && $dateValue <= $parts[1];
}
/**
* Test if a value is within an increments of ranges (offset[-to]/step size)
*
* @param string $dateValue Set date value
* @param string $value Value to test
*
* @return bool
*/
public function isInIncrementsOfRanges($dateValue, $value)
{
$parts = array_map('trim', explode('/', $value, 2));
$stepSize = isset($parts[1]) ? $parts[1] : 0;
if ($parts[0] == '*' || $parts