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<?php |
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|
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/** |
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* Hours field. Allows: * , / - |
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* |
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* @author Michael Dowling <mtdowling@gmail.com> |
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*/ |
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class CronExpression_HoursField extends CronExpression_AbstractField |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public function isSatisfiedBy(DateTime $date, $value) |
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{ |
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return $this->isSatisfied($date->format('H'), $value); |
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} |
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|
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/** |
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* {@inheritdoc} |
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*/ |
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public function increment(DateTime $date, $invert = false) |
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{ |
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// Change timezone to UTC temporarily. This will |
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// allow us to go back or forwards and hour even |
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// if DST will be changed between the hours. |
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$timezone = $date->getTimezone(); |
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$date->setTimezone(new DateTimeZone('UTC')); |
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if ($invert) { |
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$date->modify('-1 hour'); |
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$date->setTime($date->format('H'), 59); |
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} else { |
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$date->modify('+1 hour'); |
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$date->setTime($date->format('H'), 0); |
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} |
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$date->setTimezone($timezone); |
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|
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return $this; |
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} |
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|
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/** |
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* {@inheritdoc} |
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*/ |
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public function validate($value) |
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{ |
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return (bool) preg_match('/[\*,\/\-0-9]+/', $value); |
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} |
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} |
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|
