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run code in 150+ php & hhvm versions
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<?php date_default_timezone_set('UTC'); echo date_default_timezone_get(), PHP_EOL; $time = DateTime::createFromFormat('Y-m-d H:i:s', '2014-05-19 11:30:00'); foreach (array('UTC', 'Europe/London', 'BST', 'Etc/GMT+1', 'GMT+1', 'CEST') as $abbr) { try { $time->setTimezone(new DateTimeZone($abbr)); echo "{$abbr}: {$time->format(DATE_RFC822)}", PHP_EOL; } catch (Exception $e) { echo "{$abbr}: ERROR - {$e->getMessage()}", PHP_EOL; } }
Output for 5.5.22 - 5.5.38, 5.6.6 - 7.1.0
UTC UTC: Mon, 19 May 14 11:30:00 +0000 Europe/London: Mon, 19 May 14 12:30:00 +0100 BST: Mon, 19 May 14 11:30:00 +0000 Etc/GMT+1: Mon, 19 May 14 10:30:00 -0100 GMT+1: Mon, 19 May 14 12:30:00 +0100 CEST: Mon, 19 May 14 13:30:00 +0100
Output for 5.5.10 - 5.5.21, 5.6.0 - 5.6.5
UTC UTC: Mon, 19 May 14 11:30:00 +0000 Europe/London: Mon, 19 May 14 12:30:00 +0100 BST: Mon, 19 May 14 12:30:00 +0100 Etc/GMT+1: Mon, 19 May 14 11:30:00 -0100 GMT+1: Mon, 19 May 14 13:30:00 +0100 CEST: Mon, 19 May 14 14:30:00 +0100
Output for 5.3.0 - 5.3.2, 5.3.6 - 5.5.9
UTC UTC: Mon, 19 May 14 11:30:00 +0000 Europe/London: Mon, 19 May 14 12:30:00 +0100 BST: Mon, 19 May 14 12:30:00 +0100 Etc/GMT+1: Mon, 19 May 14 10:30:00 -0100 GMT+1: ERROR - DateTimeZone::__construct(): Unknown or bad timezone (GMT+1) CEST: Mon, 19 May 14 13:30:00 +0200
Output for 5.3.3 - 5.3.5
UTC UTC: Mon, 19 May 14 11:30:00 +0000 Europe/London: Mon, 19 May 14 12:30:00 +0100 BST: Mon, 19 May 14 12:30:00 +0100 Etc/GMT+1: Mon, 19 May 14 10:30:00 -0100 GMT+1: Mon, 19 May 14 10:30:00 -0100 CEST: Mon, 19 May 14 13:30:00 +0200
Output for 5.2.10 - 5.2.17
UTC Fatal error: Call to undefined method DateTime::createFromFormat() in /in/mvReq on line 6
Process exited with code 255.
Output for 5.2.0 - 5.2.9
UTC Fatal error: Call to undefined method DateTime::createfromformat() in /in/mvReq on line 6
Process exited with code 255.
Output for 5.1.0 - 5.1.6
UTC Fatal error: Class 'DateTime' not found in /in/mvReq on line 6
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/mvReq on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '{' in /in/mvReq on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '{' in /in/mvReq on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/mvReq on line 8
Process exited with code 255.