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<?php class DateTimeFactory { const DATE_INTERVAL = 'PT20M'; const DATE_INTERVAL_FOR_METHOD_3 = '+20 minutes'; // I personally prefer adding DateInterval public static function createDateTimeByInterval1(DateInterval $dateInterval) { // create DateTime, add Date and/or TimeZone in constructor if needed. $dateTime = new DateTime(); return $dateTime->add($dateInterval); } // Using a ISO 8601 String public static function createDateTimeByInterval2($intervalStr) { // create DateTime, add Date and/or TimeZone in constructor if needed. $dateTime = new DateTime(); return $dateTime->add(new DateInterval($intervalStr)); } // Using modify public static function createDateTimeByInterval3($intervalStr) { // create DateTime, add Date and/or TimeZone in constructor if needed. $dateTime = new DateTime(); return $dateTime->modify($intervalStr); } } var_dump( DateTimeFactory::createDateTimeByInterval1(new DateInterval(DateTimeFactory::DATE_INTERVAL)), DateTimeFactory::createDateTimeByInterval2(DateTimeFactory::DATE_INTERVAL), DateTimeFactory::createDateTimeByInterval3(DateTimeFactory::DATE_INTERVAL_FOR_METHOD_3) );
Output for git.master
object(DateTime)#2 (3) { ["date"]=> string(26) "2014-01-12 13:25:04.003825" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTime)#1 (3) { ["date"]=> string(26) "2014-01-12 13:25:04.003835" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTime)#3 (3) { ["date"]=> string(26) "2014-01-12 13:25:04.003837" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for git.master_jit
object(DateTime)#2 (3) { ["date"]=> string(26) "2014-01-12 13:25:04.003993" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTime)#1 (3) { ["date"]=> string(26) "2014-01-12 13:25:04.004003" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTime)#3 (3) { ["date"]=> string(26) "2014-01-12 13:25:04.004005" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for rfc.property-hooks
object(DateTime)#2 (3) { ["date"]=> string(26) "2014-01-12 13:25:04.006445" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTime)#1 (3) { ["date"]=> string(26) "2014-01-12 13:25:04.006453" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTime)#3 (3) { ["date"]=> string(26) "2014-01-12 13:25:04.006455" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }

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