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<?php /** * @link http://stackoverflow.com/questions/26453510/datetimezone-and-utc-offset-for-standard-and-daylight-times */ /** * @param $seconds * * @return string +\d\d\d\d / -\d\d\d\d */ function format_offset($seconds) { $minutes = (int) ($seconds / 60); $hours = (int) ($minutes / 60); $leftover = abs($minutes - $hours * 60); return sprintf("%+03d%02d", $hours, $leftover); } $zones = array('EDT', 'EST'); foreach ($zones as $zone) { // get offset $timezone = new DateTimeZone($zone); $offset = $timezone->getOffset(new DateTime(null, $timezone)); printf("%s (%s) %s\n", $zone, $timezone->getName(), format_offset($offset)); }
Output for 8.1.8 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.4.16, 8.5.0 - 8.5.1
Deprecated: DateTime::__construct(): Passing null to parameter #1 ($datetime) of type string is deprecated in /in/XuhI6 on line 23 EDT (EDT) -0400 Deprecated: DateTime::__construct(): Passing null to parameter #1 ($datetime) of type string is deprecated in /in/XuhI6 on line 23 EST (EST) -0500
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 8.1.0 - 8.1.7
Deprecated: DateTime::__construct(): Passing null to parameter #1 ($datetime) of type string is deprecated in /in/XuhI6 on line 23 EDT (EDT) -0500 Deprecated: DateTime::__construct(): Passing null to parameter #1 ($datetime) of type string is deprecated in /in/XuhI6 on line 23 EST (EST) -0500
Output for 8.0.21 - 8.0.30
EDT (EDT) -0400 EST (EST) -0500
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.40, 7.0.0 - 7.0.20, 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
EDT (EDT) -0500 EST (EST) -0500
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45
EDT (America/New_York) -0500 EST (America/New_York) -0500
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Class 'DateTimeZone' not found in /in/XuhI6 on line 22
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetimezone in /in/XuhI6 on line 22
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: datetimezone in /in/XuhI6 on line 22
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