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<?php function time_offset($timezone = null) { if ($timezone <> null) { $offset = false; try { $time = @new DateTime(); @$time->setTimezone(new DateTimeZone($timezone)); $offset = @$time->getOffset(); } catch (Exception $e) { } $output = is_numeric($offset) ? $offset : false; } else { $output = strtotime(date("Y-m-d H:i:s")) - strtotime(gmdate("Y-m-d H:i:s")); } return $output; } var_dump(time_offset("Asia/Calcutta"));
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 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 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
int(19800)
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6

Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '{' in /in/prZQG on line 6
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 '{' in /in/prZQG on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/prZQG on line 6
Process exited with code 255.

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