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<?php $date = new DateTime('2015-11-11 15:00:00', new DateTimeZone('UTC')); var_dump($date); echo "\n Date timestamp using format(): " . $date->format('U'); echo "\n Date timestamp using getTimestamp(): " . $date->getTimestamp(); echo "\nChanging timezone to CET"; $date->setTimezone(new DateTimeZone('CET')); echo "\n Date timestamp using format(): " . $date->format('U') . ' NB: This has changed?!?!'; echo "\n Date timestamp using getTimestamp(): " . $date->getTimestamp() . ' NB: Now it is back?!?!'; echo "\n Date timestamp using format() again: " . $date->format('U') . ' NB: Now it is back?!?!';
Output for 5.4.30 - 5.4.45, 7.0.20, 7.1.5 - 7.2.0
object(DateTime)#1 (3) { ["date"]=> string(26) "2015-11-11 15:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" } Date timestamp using format(): 1447254000 Date timestamp using getTimestamp(): 1447254000 Changing timezone to CET Date timestamp using format(): 1447254000 NB: This has changed?!?! Date timestamp using getTimestamp(): 1447254000 NB: Now it is back?!?! Date timestamp using format() again: 1447254000 NB: Now it is back?!?!
Output for 5.5.14 - 7.0.6, 7.1.0
object(DateTime)#1 (3) { ["date"]=> string(26) "2015-11-11 15:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" } Date timestamp using format(): 1447254000 Date timestamp using getTimestamp(): 1447254000 Changing timezone to CET Date timestamp using format(): 1447257600 NB: This has changed?!?! Date timestamp using getTimestamp(): 1447254000 NB: Now it is back?!?! Date timestamp using format() again: 1447254000 NB: Now it is back?!?!
Output for 5.5.10 - 5.5.13
object(DateTime)#1 (3) { ["date"]=> string(19) "2015-11-11 15:00:00" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" } Date timestamp using format(): 1447254000 Date timestamp using getTimestamp(): 1447254000 Changing timezone to CET Date timestamp using format(): 1447257600 NB: This has changed?!?! Date timestamp using getTimestamp(): 1447254000 NB: Now it is back?!?! Date timestamp using format() again: 1447254000 NB: Now it is back?!?!
Output for 5.3.0 - 5.4.29, 5.5.0 - 5.5.9
object(DateTime)#1 (3) { ["date"]=> string(19) "2015-11-11 15:00:00" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" } Date timestamp using format(): 1447254000 Date timestamp using getTimestamp(): 1447254000 Changing timezone to CET Date timestamp using format(): 1447254000 NB: This has changed?!?! Date timestamp using getTimestamp(): 1447254000 NB: Now it is back?!?! Date timestamp using format() again: 1447254000 NB: Now it is back?!?!
Output for 5.2.3 - 5.2.17
object(DateTime)#1 (0) { } Date timestamp using format(): 1447254000 Fatal error: Call to undefined method DateTime::getTimestamp() in /in/bjd3L on line 6
Process exited with code 255.
Output for 5.2.0 - 5.2.2
object(DateTime)#1 (0) { } Date timestamp using format(): 1447254000<br /> <b>Fatal error</b>: Call to undefined method DateTime::getTimestamp() in <b>/in/bjd3L</b> on line <b>6</b><br />
Process exited with code 255.
Output for 5.0.0 - 5.1.6
<br /> <b>Fatal error</b>: Class 'DateTime' not found in <b>/in/bjd3L</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.4.9
<br /> <b>Fatal error</b>: Cannot instantiate non-existent class: datetime in <b>/in/bjd3L</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1
<br /> <b>Fatal error</b>: Cannot instantiate non-existent class: datetime in <b>/in/bjd3L</b> on line <b>2</b><br />