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<?php date_default_timezone_set('UTC'); $utc = new DateTimeZone('UTC'); $time = DateTime::createFromFormat('Y-m-d H:i:s', '2014-05-19 11:30:00', $utc); foreach (array('UTC', 'Europe/London', 'BST', 'Etc/GMT+1', 'GMT+1', 'CEST', 'EST', 'GMT-5') as $abbr) { $local = clone $time; try { $zone = new DateTimeZone($abbr); $local2 = new DateTime('2014-05-19 11:30:00', $utc); $local2->setTimezone(new DateTimeZone($abbr)); $local->setTimezone(new DateTimeZone($abbr)); echo "{$abbr}: {$zone->getOffset($time)} {$local->format('H:i P')}", PHP_EOL; echo "{$abbr}: {$zone->getOffset($time)} {$local2->format('H:i P')}", PHP_EOL; } catch (Exception $e) { echo "{$abbr}: ERROR - {$e->getMessage()}", PHP_EOL; } }
Output for 8.0.21 - 8.0.30, 8.1.8 - 8.1.13, 8.1.15 - 8.1.28, 8.2.0, 8.2.2 - 8.2.18, 8.3.0 - 8.3.6
UTC: 0 11:30 +00:00 UTC: 0 11:30 +00:00 Europe/London: 3600 12:30 +01:00 Europe/London: 3600 12:30 +01:00 BST: 3600 12:30 +01:00 BST: 3600 12:30 +01:00 Etc/GMT+1: -3600 10:30 -01:00 Etc/GMT+1: -3600 10:30 -01:00 GMT+1: 3600 12:30 +01:00 GMT+1: 3600 12:30 +01:00 CEST: 7200 13:30 +02:00 CEST: 7200 13:30 +02:00 EST: -18000 06:30 -05:00 EST: -18000 06:30 -05:00 GMT-5: -18000 06:30 -05:00 GMT-5: -18000 06:30 -05:00
Output for 8.1.14, 8.2.1
UTC: 0 11:30 +00:00 UTC: 0 11:30 +00:00 Europe/London: 3600 12:30 +01:00 Europe/London: 3600 12:30 +01:00 BST: 3600 12:30 +01:00 BST: 3600 12:30 +01:00 Etc/GMT+1: ERROR - DateTimeZone::__construct(): Unknown or bad timezone (Etc/GMT+1) GMT+1: 3600 12:30 +01:00 GMT+1: 3600 12:30 +01:00 CEST: 7200 13:30 +02:00 CEST: 7200 13:30 +02:00 EST: -18000 06:30 -05:00 EST: -18000 06:30 -05:00 GMT-5: -18000 06:30 -05:00 GMT-5: -18000 06:30 -05:00
Output for 5.5.22 - 5.5.38, 5.6.6 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.20, 8.1.0 - 8.1.7
UTC: 0 11:30 +00:00 UTC: 0 11:30 +00:00 Europe/London: 3600 12:30 +01:00 Europe/London: 3600 12:30 +01:00 BST: 0 11:30 +00:00 BST: 0 11:30 +00:00 Etc/GMT+1: -3600 10:30 -01:00 Etc/GMT+1: -3600 10:30 -01:00 GMT+1: 3600 12:30 +01:00 GMT+1: 3600 12:30 +01:00 CEST: 3600 12:30 +01:00 CEST: 3600 12:30 +01:00 EST: -18000 06:30 -05:00 EST: -18000 06:30 -05:00 GMT-5: -18000 06:30 -05:00 GMT-5: -18000 06:30 -05:00
Output for 5.5.10 - 5.5.21, 5.6.0 - 5.6.5
UTC: 0 11:30 +00:00 UTC: 0 11:30 +00:00 Europe/London: 3600 12:30 +01:00 Europe/London: 3600 12:30 +01:00 BST: 3600 12:30 +01:00 BST: 3600 12:30 +01:00 Etc/GMT+1: -3600 10:30 -01:00 Etc/GMT+1: -3600 10:30 -01:00 GMT+1: 3600 12:30 +01:00 GMT+1: 3600 12:30 +01:00 CEST: 3600 12:30 +01:00 CEST: 3600 12:30 +01:00 EST: -18000 06:30 -05:00 EST: -18000 06:30 -05:00 GMT-5: -18000 06:30 -05:00 GMT-5: -18000 06:30 -05:00
Output for 5.3.0 - 5.3.2, 5.3.6 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.9
UTC: 0 11:30 +00:00 UTC: 0 11:30 +00:00 Europe/London: 3600 12:30 +01:00 Europe/London: 3600 12:30 +01:00 BST: 3600 12:30 +01:00 BST: 3600 12:30 +01:00 Etc/GMT+1: -3600 10:30 -01:00 Etc/GMT+1: -3600 10:30 -01:00 GMT+1: ERROR - DateTimeZone::__construct(): Unknown or bad timezone (GMT+1) CEST: 7200 13:30 +02:00 CEST: 7200 13:30 +02:00 EST: -14400 07:30 -04:00 EST: -14400 07:30 -04:00 GMT-5: ERROR - DateTimeZone::__construct(): Unknown or bad timezone (GMT-5)
Output for 5.3.3 - 5.3.5
UTC: 0 11:30 +00:00 UTC: 0 11:30 +00:00 Europe/London: 3600 12:30 +01:00 Europe/London: 3600 12:30 +01:00 BST: 3600 12:30 +01:00 BST: 3600 12:30 +01:00 Etc/GMT+1: -3600 10:30 -01:00 Etc/GMT+1: -3600 10:30 -01:00 GMT+1: -3600 10:30 -01:00 GMT+1: -3600 10:30 -01:00 CEST: 7200 13:30 +02:00 CEST: 7200 13:30 +02:00 EST: -14400 07:30 -04:00 EST: -14400 07:30 -04:00 GMT-5: 18000 16:30 +05:00 GMT-5: 18000 16:30 +05:00
Output for 5.2.10 - 5.2.17
Fatal error: Call to undefined method DateTime::createFromFormat() in /in/vGRlO on line 6
Process exited with code 255.
Output for 5.2.0 - 5.2.9
Fatal error: Call to undefined method DateTime::createfromformat() in /in/vGRlO on line 6
Process exited with code 255.
Output for 5.1.0 - 5.1.6
Fatal error: Class 'DateTimeZone' not found in /in/vGRlO on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function date_default_timezone_set() in /in/vGRlO on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_VARIABLE in /in/vGRlO on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_VARIABLE in /in/vGRlO on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/vGRlO on line 8
Process exited with code 255.
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