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<?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"); ?>
Output for 5.5.10 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
2014-10-31 00:00:00 - offsets to: 2014-10-31 05:00:00
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 2014-10-31 00:00:00 - offsets to: 2014-10-31 05:00:00
Output for 7.3.32 - 7.3.33, 8.0.13
2014-10-30 23:00:00 - offsets to: 2014-10-31 04:00:00
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 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 - 4.3.11, 4.4.0 - 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
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