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run code in 200+ php & hhvm versions
Bugs & Features
<?php function convertUnixTimeBetweenTimezones($vUnixTime,$vOriginalTimezone,$vDesiredTimezone) { // set default to desired timezone $vCurrentTimezone = date_default_timezone_get(); date_default_timezone_set($vDesiredTimezone); $oBaseTimeZone = new DateTimeZone($vOriginalTimezone); // user time zone $oCurrentTimeZone = new DateTimeZone($vDesiredTimezone); $vIsoTime = date("Y-m-d H:i:s",$vUnixTime); $oBaseTime = new DateTime($vIsoTime,$oBaseTimeZone); $oBaseTime->setTimezone($oCurrentTimeZone); $vTimeStamp = $oBaseTime->getTimestamp(); date_default_timezone_set($vCurrentTimezone); return $vTimeStamp; } $vFirstDate = 1414710000; echo(date("Y-m-d H:i:s",$vFirstDate) . " - offsets to: " . date("Y-m-d H:i:s",convertUnixTimeBetweenTimezones($vFirstDate,"EST","UTC")) . "\n"); ?>
based on PFA7a
Output for 5.5.10 - 7.2.0
2014-10-31 00:00:00 - offsets to: 2014-10-31 05:00:00
Output for 5.3.0 - 5.5.9
2014-10-31 00:00:00 - offsets to: 2014-10-31 04:00:00
Output for 5.2.0 - 5.2.17
Fatal error: Call to undefined method DateTime::getTimestamp() in /in/7feKS on line 17
Process exited with code 255.
Output for 5.1.0 - 5.1.6
Fatal error: Class 'DateTimeZone' not found in /in/7feKS on line 9
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function date_default_timezone_get() in /in/7feKS on line 6
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: date_default_timezone_get() in /in/7feKS on line 6
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: date_default_timezone_get() in /in/7feKS on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: date_default_timezone_get() in /in/7feKS on line 6