我使用此下拉列表为应用程序的时区偏移量存储时区：
<select id="timezone" name="timezone" >
<option value="-12">[UTC - 12] Baker Island Time</option>
<option value="-11">[UTC - 11] Niue Time, Samoa Standard Time</option>
<option value="-10">[UTC - 10] Hawaii-Aleutian Standard Time, Cook Island Time</option>
<option value="-9.5">[UTC - 9:30] Marquesas Islands Time</option>
<option value="-9">[UTC - 9] Alaska Standard Time, Gambier Island Time</option>
<option value="-8">[UTC - 8] Pacific Standard Time</option>
<option value="-7">[UTC - 7] Mountain Standard Time</option>
<option value="-6">[UTC - 6] Central Standard Time</option>
<option value="-5">[UTC - 5] Eastern Standard Time</option>
<option value="-4.5">[UTC - 4:30] Venezuelan Standard Time</option>
<option value="-4">[UTC - 4] Atlantic Standard Time</option>
<option value="-3.5">[UTC - 3:30] Newfoundland Standard Time</option>
<option value="-3">[UTC - 3] Amazon Standard Time, Central Greenland Time</option>
<option value="-2">[UTC - 2] Fernando de Noronha Time, South Georgia & the South Sandwich Islands Time</option>
<option value="-1">[UTC - 1] Azores Standard Time, Cape Verde Time, Eastern Greenland Time</option>
<option value="0">[UTC] Western European Time, Greenwich Mean Time</option>
<option value="1">[UTC + 1] Central European Time, West African Time</option>
<option value="2">[UTC + 2] Eastern European Time, Central African Time</option>
<option value="3">[UTC + 3] Moscow Standard Time, Eastern African Time</option>
<option value="3.5">[UTC + 3:30] Iran Standard Time</option>
<option value="4">[UTC + 4] Gulf Standard Time, Samara Standard Time</option>
<option value="4.5">[UTC + 4:30] Afghanistan Time</option>
<option value="5">[UTC + 5] Pakistan Standard Time, Yekaterinburg Standard Time</option>
<option value="5.5">[UTC + 5:30] Indian Standard Time, Sri Lanka Time</option>
<option value="5.75">[UTC + 5:45] Nepal Time</option>
<option value="6">[UTC + 6] Bangladesh Time, Bhutan Time, Novosibirsk Standard Time</option>
<option value="6.5">[UTC + 6:30] Cocos Islands Time, Myanmar Time</option>
<option value="7">[UTC + 7] Indochina Time, Krasnoyarsk Standard Time</option>
<option value="8">[UTC + 8] Chinese Standard Time, Australian Western Standard Time, Irkutsk Standard Time</option>
<option value="8.75">[UTC + 8:45] Southeastern Western Australia Standard Time</option>
<option value="9">[UTC + 9] Japan Standard Time, Korea Standard Time, Chita Standard Time</option>
<option value="9.5">[UTC + 9:30] Australian Central Standard Time</option>
<option value="10">[UTC + 10] Australian Eastern Standard Time, Vladivostok Standard Time</option>
<option value="10.5">[UTC + 10:30] Lord Howe Standard Time</option>
<option value="11">[UTC + 11] Solomon Island Time, Magadan Standard Time</option>
<option value="11.5">[UTC + 11:30] Norfolk Island Time</option>
<option value="12">[UTC + 12] New Zealand Time, Fiji Time, Kamchatka Standard Time</option>
<option value="12.75">[UTC + 12:45] Chatham Islands Time</option>
<option value="13">[UTC + 13] Tonga Time, Phoenix Islands Time</option>
<option value="14">[UTC + 14] Line Island Time</option>
使用 PHP，我真的没有最简单的选项将这些转换为时区缩写，我唯一的选择是通过编程方式对大约 400 个时区缩写的列表进行排序。有谁知道每个时区是什么的下拉列表，以及夏令时进行时它们是什么？（我假设我需要手动定义两个列表）
编辑：将此列表解析为每个时区的单个缩写，但它们不是“流行”的。
我的新清单
[-12] => kwat
[-11] => bst
[-10] => ahst
[-9.5] => ckhst
[-9] => ahdt
[-8] => akdt
[-7] => east
[-6] => cst
[-5] => act
[-4.5] => ant
[-4] => acst
[-3.5] => negt
[-3] => adt
[-2] => addt
[-1] => azost
[-0] => azomt
[1] => bst
[2] => bdst
[3] => amt
[3.5] => irst
[4] => adt
[4.5] => aft
[5] => aktt
[5.5] => ist
[5.75] => npt
[6] => aktst
[6.5] => burt
[7] => almst
[8] => bnt
[8.75] => cwst
[9] => cdt
[9.5] => cast
[10] => chost
[10.5] => cst
[11] => anat
[11.5] => lhst
[12] => anast
[12.75] => chast
[13] => anast
[14] => anast
代码：
$abbr = DateTimeZone::listAbbreviations();
$offsets=array('-12','-11','-10','-9.5','-9','-8','-7','-6',
'-5','-4.5','-4','-3.5','-3','-2','-1','-0','1','2','3','3.5',
'4','4.5','5','5.5','5.75','6','6.5','7','8','8.75','9','9.5',
'10','10.5','11','11.5','12','12.75','13','14');
$new = array();
$count = 0;
$found = false;
while($count < count($offsets))
{
foreach($abbr as $k => $v)
{
foreach($v as $tz)
{
if($tz['offset'] == $offsets[$count]*3600)
{
$new[$offsets[$count]] = $k;
$found = true;
break;
}
}
if($found)
{
$found = false;
break;
}
}
$count++;
}
print_r($new);
